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Envirothon Team

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
        Help!  

Term
Definition
abiotic   non-living factor in an environment ex. light, water, soil, temperature, rocks  
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acid rain   rain, snow, or other forms of water that are made more acid by waster gases that come mainly from the burning of coal and oil products  
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acorn   the fruit of an oak tree  
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adapted; adaptation   the process of making adjustments to the environment. ex. plants grow only where soil types, moisture, and sunlight are balanced, coloration of an animal, webbed feet  
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aerated aeration   to supply with air or oxygen; to loosen the soil to add air space to it  
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aerobic   living or occurring only in the presence of oxygen  
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aesthetic   sensitivity to or appreciation of beauty through recognition of its unique and varied components or through its orderly appearance  
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aggregate   to gather into a group or mass  
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air quality   a gauge of the concentration of one or more chemicals in the atmosphere that could potentially be harmful to humans, other animals, vegetation, or materials  
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allantois   part of an egg that receives waste from the embryo  
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alluvial deposits   sedimentary deposits (like a delta) in fresh water  
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amnion   a thin, fluid-like sack that encloses the embryo in an egg  
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amphibian   an animal that when young lives in an aquatic habit and breathes by gills; as an adult it lives primarily in a terrestrial habitat breathing by lungs and through moist glandular skin  
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amphibole/pyroxenes   easily weathered group of minerals that provides calcium and magnesium, not as abundant as feldspars  
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anadromous   any species of fish that lives in saltwater and spawns in freshwater ex. salmon, shad, striped bass  
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anaerobic   an organism like bacteria that lives without the presence of oxygen  
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animal community   animals of various species living within a certain habitat each occupying a specific position in that particular environment  
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annual turnover   the rate of replacement of individual animals in a population. ex. birds may have a 70% annual turnover. This means that 30% of the birds at the beginning of one year are still alive at the end of the year. The reproductive rate will match the turnover  
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anthropomorphism   the attribution of human characteristics to non-humans, especially animals.  
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asbestos   a natural fibrous material that was once commonly used for fireproofing and sound or heat insulation - can cause lung cancer  
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atmosphere   consists of the troposphere and the stratosphere, which comprise the whole mass of air surround the Earth  
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aquatic   growing, living in, or frequenting waters  
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BMP   Best Management Practice  
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bacteria   single celled microorganisms that lack chlorophyll. Many break down organic matter in the air, the water, and the soil.  
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bag limit   the maximum number of animals allowed to be taken by an individual in regulated hunting. ex. deer hunter may kill one deer per year  
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barbel   a whisker-like projection for the jaws of some fish such as carp or catfish - help a fish to taste and feel  
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behavior   what an animal does  
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"big game"   larger hunted species such as deer, elk, moose, bear, and big horn  
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bioaccumulation   the build-up of chemicals in a plant or animal ex. DDT in bluebirds  
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biology   the study of living organisms  
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biodiversity   the variety of life forms in a given area  
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biogeochemical cycles   movement of matter within or between ecosystems caused by the interaction of living organisms, geologic forces, or chemical reactions  
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biologist   a person who studies living organisms and their relationship to one another  
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biological diversity   the variety of life forms in a given area ex. number of species, variety of species in an area (plant and animal)  
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biomass   the total weights of all living matter in a particular habitat, at a given moment in time  
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biome   a large geographic area with somewhat uniform climatic conditions characterized by distinctive types of vegetation  
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biotic   the living components of an ecosystem  
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biosphere   the part of the earth's crust where living organisms can exist  
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biota   the animal and plant life of a region or period  
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biotic community   the living organisms in a given community (plant and animal)  
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biotic potential   the capacity of a population of animals or plant to increase in numbers under optimum environmental conditions  
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blind   a hiding place for observing wildlife  
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breeding   a series of complex behavioral interactive patterns from courtship to mating, rearing young which are necessary for the confutation of a species  
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brood   the offspring of a bird or mammal  
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browse   a term used in wildlife management to signify brushy plants eaten by deer, elk, or cattle to eat the twigs and leaves or woody plants  
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buffer strip   narrow zone or strip of land, trees, or vegetation bordering an area. ex. visual buffers alongside roads, stream side buffers used to protect water quality  
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burrowing   digging a hole or tunnel  
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camouflage   colors, tones, patterns, shapes or behaviors that enable an organism to blend in with its surroundings  
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carbohydrates   sugars, starches, and cellulose that are produced by green plants and are important nutritional sources of energy for many animals  
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carbon cycle   the circulation and recycling of carbon atoms, especially through the processes of photosynthesis, respiration, and decomposition  
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carnivore   meat eater  
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carrying capacity   wildlife management term for the equilibrium expressed by the availability of habitat components and the number of animals in a given area. ex. having enough food, mates, water, shelter to support the wildlife  
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cast   to regurgitate indigestible prey remains  
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catadromous   any species of fish that lives in freshwater and spawns in saltwater ex. eel  
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catfish   a group of fish without scales named for the barbels around their mouths that look like the whiskers of a cat  
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cell   the smallest living unit of an organism  
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chorion   the outer membrane enclosing the embryo in reptiles, birds, and mammals  
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climate   the kind of weather a place has over a period of years, based on conditions of heat and cold, moisture and dryness, clearness and cloudiness, wind and calm  
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climatic   the average condition of the weather as defined by temperature, precipitation, and wind velocities; the environmental conditions relating to weather  
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climax   the final stage of plant or animal succession; when environmental conditions have been stable long enough for an are ate develop a semi-permanent biome  
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climax community   the relatively stable association under existing conditions of soil and climate that represents the final stage of succession  
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coastal plain   large, nearly level areas of land near ocean shores  
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codominate   to be one of two or more of the most characteristic species in a biotic community  
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coloration   genetically-controlled patterns or markings that can protect an individual organism  
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commensalism   a relationship between two organisms of different species in which one organism benefits while the other is generally neither helped or harmed  
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community   an association of organism (plants & animals) each occupying a certain position or ecological niche, inhabiting a common environment and interacting with each other, all the plants and animals in a particular habitat that are bound together by food chains  
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competition   when two or more organisms compete to use the same resource, may be inter- or intra- specific  
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conservation   the use of natural resources in a way that ensures their continuing availability to future generations; the intelligent use of natural resources for long-term benefits  
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Conservation Reserve Program (CRP)   a federal program designed to remove highly erodible, marginal farmland from production through a one-time cost-sharing payment to establish tress, grass, or tother cover. The landowner receives a 10 year annual rental payment to maintain the cover.  
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consumer   an organism that obtains energy by feeding on other organisms and their remains  
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congregate   when animals group together in an area  
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consumptive use   in general terms related to wildlife, any used resulting in the use of wildlife after harvest. ex. death of an animal as in hunting, fishing, and trapping  
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corridor   a track of land forming a passageway  
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courtship   a pre-mating behavior where the male tries to woo or court the female in order to mate  
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cover   vegetation and other land features that provide areas for wildlife to hide, sleep, feed, and reproduce  
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covey   a small flock or group often a family group of birds such as quail  
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crepuscular   active at dawn and dusk  
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cycle   a periodically repealed sequence of events  
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DDT   a colorless contact insecticide - banned in the US for most uses since 1972  
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dabbling ducks   ducks which frequent shallow marshes, ponds, and rivers and "up up" to feed. They feed with their body above water and take off vertically when startled.  
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daphnia   any of many kinds of water fleas  
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decadent   dealing in health and/or productivity  
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decibel   a unit of intensity of sound  
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decomposer   a plant, animal, or fungi which fees on dead material and causes its mechanical or chemical breakdown  
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denitrification   to remove nitrogen or nitrogen-containing gases  
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dense   thick, or crowded closely together  
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density   number of organisms per unit of space  
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depredation   the act of preying upon, usually in relation to wildlife damage to people's crops or animals  
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desert   an arid habitat with limited amounts of vegetation  
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detrimental   having harmful effects  
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dew   water droplets condensed from the air onto cool surfaces such as grass or leaves  
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dissolved oxygen   the oxygen mixed into water and used by fish - the dissolved oxygen is usually put into the water by wind, current, plants, and micro-organisms  
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display   an observable behavioral pattern that carries a specific message  
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diurnal   active by daylight (opposite of nocturnal)  
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diversity   variety  
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diving ducks   ducks that prefer to feed in deep water like lakes and bays  
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domesticated   referring to animals which humans have tamed, kept in captivity, and bred for special purposes  
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dominant species   the plant or animal species which exerts major controlling influence on the community  
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DNR   Department of Natural Resources  
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drought   the lack of normal precipitation for an extended period of time  
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early successional   describes a species adapted to the beginning or early stages of biotic succession - the first species to invade a cleared area  
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ecology   the scientific study of the relations of living things to one another and their environment  
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ecological diversity   the variety of forest, desert, grasslands, oceans, stream and other biological communities interacting with one another and with their non-living environment  
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ecological islands   small spaces of wildlife and plant habitat remaining when land is cleared for farming or urban development  
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ecological niche   the role played by an organism in a biological community - its food preferences, its requirements for shelter, its special behaviors, and the timing of its activities  
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ecosphere   a term for the total of all the regions on the earth capable of supporting life  
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ecosystem   all living things and their environment in an area of any size where all are linked together by energy and nutrient flow  
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ecosystem management   use of ecosystem concepts to predict the effects of management actions on the ecosystem and to guide management planning and actions  
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ecological succession   the changes, over time, in the structure and function of an ecosystem. When no previous vegetation exists on a site, the process is called primary succession. When a sited supported vegetation previously but was disturbed, the process is secondary  
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ecologist   a scientist who studies the interrelation of living things to one another and their environment  
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ecology   the scientific study of the relations of living things to one another and to their environment  
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ecotone   a land area where two different succession layers come together - good wildlife habitat  
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edge effect   the tendency of wildlife to use the areas where two different vegetative types come together forming an edge, where rabbits concentrate in an area where brush land and meadow land meet because of the diversity of food, shelter,a dn other habitat component  
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edge habitat   the transition zone between two different habitat types  
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endangered   a species that is in dandle of extinction throughout all or a significant portion of its range  
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energy flow   the one-way passage or transfer of energy through an ecosystem according to the laws of thermodynamics  
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endemic   pertaining to a population that is restricted to a particular geographic area  
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entomology   the study of insects  
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environment   the sum of all external conditions and influences, living and nonliving that affect the development and survival of an organism  
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epidermis   the outermost layer or layers of cells in a plant or animal  
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estuary   a partly enclosed body of water where sea water and fresh water meet and mix  
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ethics   a personal or social moral code  
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evaporation   a physical change of state in which a liquid is transformed into a vapor or gas  
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evapotranspiration   the evaporation of water from the soil and the transpiration of water from the plants that live in that soil  
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excavate   to make a city or hole; to hollow out  
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exotic species   a species that is not native to the ecosystem - also called invader species  
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exclusion   keeping something out of an area  
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extinction   the condition having been removed from existence  
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eutrophic   a type of body of water that has high levels of nutrients  
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famine   an extreme shortage of food in a given area  
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fauna   animals, especially the animals of a particular region or period considered as a group  
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feed lot   an enclosed area in which animals such as hogs or cattle are fed before being sold for meat  
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feldspars   the most abundant group of minerals in the earth's crust  
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feral   used in wildlife as referring to domesticated animals gone wild  
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fiber   a thread-like body or filament many times longer than its diameter - usually vegetable origin  
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field   an area devoid of trees and generally characterized by either grasses or cultivated crops  
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filter   any substance through which air, smoke, or liquid passes to remove impurities or recover solids  
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fingerling   a young fish, about as long as the length of your finger  
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fire scars   scar tissue that develops when a tree or shrub is burned by fire but is not killed  
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fire triangle   the three components necessary for a fire to burn - heat, fuel, and oxygen  
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firebreak   any nonflammable barrier used to slow or stop fires. ex. mineral soil barriers, barriers of green slow-burning vegetation, and mechanically cleared areas  
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fisheries management   the science of management of fish populations through research, habitat manipulation, stocking, water quality control, and regulations  
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flat or straight planting   planting trees directly into the ground without beds or without first moving logging debris  
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flora   a list of the species of plants that make up the vegetation for an are  
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fluctuate   to vary, or rise and fall irregularly  
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flyway   fly routes established by migratory birds  
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food chain   the transfer of food energy from organisms in one nutritional level to those in another  
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food web   a complex and interlocking series of food chains  
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forage   refers to the vegetation eaten by animals  
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forbes   low growing herbaceous plants, both annuals, and perennials  
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Forest Development Program (FDP)   a state-and industry-funded cost-sharing program administered by the NC Division of Forest Resources. It pays landowners for approved tree site preparation and planting activities  
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forest   a community of trees, shrubs, herbs, and associated plants and organisms covering a considerable area, that use oxygen, water and soil nutrients as the community attains maturity and reproduces itself  
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forest ecosystem   the organisms, soil, water, and air, associated with a forest, along with other forest-related areas  
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forest floor   the lowest level of the forest, typically composed of small plants, fungi, and decomposing material  
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forest management   the practical application of scientific, economic, and social principles to the administration of a forest, for specified objectives  
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forest region   an extensive area of a continent in which the climax forest associations are closely similar  
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Forest Management Plan   written guidelines for current and future management practices recommended to meet an owner's objectives  
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Forest Stewardship Program   a technical assistance program to help private landowners manage all their forces resources  
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Forest Stewardship Plan   a written document listing activities that enhance or improve forest resources on private land over a 5-year period  
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forestry   the principles and practices for managing, using and enjoying forests - includes managing timber, fish, wildlife, range, and watershed, protecting forest and timber from disease, insects, and fire, harvesting, transporting, manufacturing, preserving wood  
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Forestry Incentives Program (FIP)   a federally funded cost-sharing program of the Agricultural Stabilization and Conservation Service - produces payments to landowners who complete certain approved forest management practices  
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fossil fuel   coal, oil, and other energy sources that formed over millions of years from the remains of ancient plants and animals - major factor in pollution issues  
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freshwater   water that contains little or no salt  
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fruit   the ripened ovary or ovaries of a seed bearing plant along with accessory parts  
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fungi   simple plantlike organisms that lack chlorophyll - include mushrooms, molds, and yeasts - get their nutrition from living on or in other organism or by breaking down dead organic materials  
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fusiform rust   a disease resulting in a canker or swollen area on the limbs of trunks of pine trees from orange spores produced by infected oak leaves.  
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gaff   a "j" shaped, barbless hook on a long handle used to hook large fish while landing them  
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gamete   a reproductive cell having the haploid number of chromosomes capable of fusing with a gamete cell of the opposite sex to produce a fertilized egg  
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game animal   legal designation or animals which may be managed and hunted only under regulation  
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gas   the physical state of a compound that characteristically has no fixed shape or size  
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generalists   species that have broad adaptability; more likely to survive changes in habitat  
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genetic diversity   variability in genetic or hereditary makeup among individuals within a single species  
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geothermal energy   heat transferred from the earth's interior to underground concentrations of water trapped in fractured or porous rock to form steam or hot water  
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gill   a breathing organ located behind the gill cover on a fish's head  
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girdling   encircling the stem of a living tree with cuts that completely sever the bark and the cambium and often go further into the outer sapwood for the purpose of killing the tree by preventing the passage of nutrients  
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glacial deposits   sediment left after glaciers recede  
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glaciation   the action of huge masses of moving ice formed from compacted snow  
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glcaier   a flowing of body of ice, formed in a region where snowfall exceeds melting  
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glean   after the bravest has been completed, gather wasted food in a systematic manner with a minimum of waste and unnecessary effort  
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global climate change   the long term changes in temperature, moisture, and air mass movements occurring globally as a result of changes in the earth's atmosphere  
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global warming   the observed increase in the average temperature of the Earth's innermost atmosphere; believed to be a result of the greenhouse effect of trapping gasses  
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granular   comprised of particles measuring between 2 and 4 millimeters in diameter  
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grass   relatively short plants typically having long narrow leaves and hollow jointed stems  
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grassland   a vegetation community in which grasses are the dominant plants  
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grazer   a herbaceous organism that consumes primarily grasses  
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greenhouse effect   the trapping of heat by gasses such as chlorofluorocarbons and carbon dioxide in the Earth's atmosphere  
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greenhouse gases   gases in Earth's lower atmosphere that trap heat ex. carbon dioxide, chlorofluorocarbons, ozone, methane, water, vapor, and nitrous oxide  
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greenway   a linear park or connected system of recreational trails linking parks to residential and urban areas  
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gross national product   total market value in current dollars of all goods and services produced by a country's economy for final use during a year  
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ground litter   layer of the forest floor consisting of decaying organic matter such as leaves, branches, and dead plants  
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groundwater   water that infiltrates the soil and is tired in slowly flowing and slowly renewed underground reservoirs called aquifers  
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group selection   the harvest of clusters of two or more trees in a forest stands. The creation of gaps in the canopy promotes the regeneration of seedlings that grow well in direct or partial sunlight  
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growth rings   growth rings represent the annual increases in wood and diameter growth of the tree. Each ring consists of early wood for springwood and late wood for summerwood  
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guide   one of the circular rings made of metal or artificial material attached to the shaft of a rod for the fishing line to travel through  
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gymnosperm   any class of see plants, mostly trees such as confers, that produce naked seeds not enclosed in fruit  
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habitat   the native environment of an animal or plant or the kind of place that is natural for an animal or plant; an area that provides adequate food, water, shelter, and living space  
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hardwood   deciduous or broadleaf trees  
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harvest   removal of forest crops for eventual use in the marketplace  
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heartwood   the inner core of a woody stem, holly composed of nonliving cells and usually differentiated from the outer enveloping layer called sapwood by its darker color  
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herb   any flowering plant or fern that has a soft, rather than woody stem  
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herb layer   the layer of soft-stemmed plants growing close to the forest floor  
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herbaceous   all grasses and forbes having soft rather than woody stems, including plants called weeds and flowers  
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herbicide   chemicals used to control the growth of plants  
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herbivore   a plant-eating animal  
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hibernate   to pass the winter in a dormant state  
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high-grading   a harvesting technique that removes only the biggest and most valuable trees from a forest stand  
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home range   the area in which an animal travels in the scope of normal activities; not to be confused with territory  
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hormones   a substance produced by one tissue and converted by the bloodstream to another to affect physiological activity like growth  
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horticulture   the science of growing plants  
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humus   the dark organic part of soil formed from decaying plant and animal matter often called topsoil  
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hunter   a person or animal who searches for wildlife with the intent of catching or killing it  
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hunting pressure   the numbers, amount, or concentration of hunters in a specific area and upon a specific animal  
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hydric   a descriptive term referring to plants and soils existing in flooded, saturated, or ponded areas  
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hydrocarbon   an organic compound containing only carbon and hydrogen, often occurring in petroleum, natural gases, and coals  
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hydrological cycle   the process where water circulates through the ecosystem; includes precipitation, respiration, evaporation, the water cycle  
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hydrophyte   a plant adapted to grow in water  
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hydropower   electric energy produced by falling or flowing water  
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hyphae   a threadlike filament forming the mycelium of a fungus  
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hypothermia   the rapid and abnormal chilling of the body  
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hypsometer   an instrument used to measure the heights of trees, employing geometric or trigonometric principles  
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iceberg   a large floating mass of ice detached from a glacier or polar ice cap  
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ichthyology   the branch of zoology that deals with fish, their classification, structure, habits, and life history  
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IGFA   abbreviation for the International Game Fish Association, a group that keeps records on fish catches and supports sport fishing  
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igneous rock   rock formed by the cooling of magma, or molten rock, from within the Earth. Igneous rocks include basalt, lava, and granite.  
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impoundment   a man-made body of water  
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improvement cut   an intermediate cut made to improve the form, quality health, or wildlife potential of the remaining stand  
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impervious   cannot be penetrated  
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increment borer   an instrument used to take core samples to determine the rate of a tree's radial growth and its age  
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indehiscent   fruit with the seeds on the outside like a strawberry; therefore they don't split open when mature  
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indigenous   pertaining to plants or animals that are native to a particular region or country  
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infiltration   the act of permeating a porous area with a liquid or gas  
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inorganic   composed of matter that is not animal or vegetable; not having the organized structure of living things  
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insecticide   chemicals used to kill insects  
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innate   possessed at birth  
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instinctive   actions taken as a result of an inborn pattern of behavior  
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interaction   the relationships of one organism to another; the action of one population affecting the growth or death rate of another population.  
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interdependencies   the interrelationships of wildlife with one another and with the various elements of their environments  
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interior basin   land areas that are generally bowl-shaped and surrounded by hills and mountains. Usually drained by one river system and isolated from ocean influence by mountains and hills  
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invade   to enter, to encroach upon, to spread over into. In wildlife usage, this usually describes when an organism is removed from a community and another organism spreads over into this community  
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invertebrate   animals lacking a backbone. ex. insects, spiders, mollusks, and crustaceans  
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IPM   integrated pest management; a system that can reduce the amount of pesticides applied to crops  
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irrigate   to supply cropland, parks, yards, and so on, with water through the use of diversions, ditches, and pipes  
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key plant species   those plant species that are used to indicate the general condition of a habitat. ex. when plants show overuse, the animals may have exceeded the carrying capacity of the habitat  
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keystone species   a wildlife species whose removal will affect many different plants and animal species ex. a beaver would be a keystone species in a beaver pond  
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kiln (dry kiln)   a structure heated by gas or electricity in which lumber is seasoned artificially or pinecones are dried and opened  
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knee   a round or splice growth rising from the roots of some swamp trees such as bald cypress and tupelo  
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landfill   a specially engineered site for disposing of solid waster on land, designed to confine the refuse to the smallest practical area dan reduce it to the smallest practical volume  
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late successional   describes a species adapted to the later stages of biotic succession  
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lateral line system   a system of sense organs in fish, a series of pores or canals running along a line on each side of the body and on the head; detects pressure changes in the water  
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leaching   the removal of soluble substance from soil by percolating water  
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legume   plants that bear seeds in a pod ex. alfalfa, clover, soybeans, and peas  
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lichen   algae and a fungus growing together in a symbiotic relationship  
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life cycle   the phases, changes, or stages through which an organism passes during its lifetime  
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limiting factors   influences in the life of any animal, population of animals, or species such as: food, water, shelter, space, disease, perdition, climatic condition, population, hunting, preaching and accident. These exceeds the limit of tolerance of that species  
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litter   the number of young born per birthing; the leaves or needles that fall from trees and lie on the ground to decompose and form soil  
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littoral   of or on a shore  
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loam   a type of soil that consists of a mixture of clay, sand, and silt  
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loess   windblown deposit of fine-grained silt or clay  
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log   to cut and deliver tree segments suitable for lumber and other products in segments 8-16 feet in length  
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log rule or log scale   a table based on a diagram or mathematical formula used to estimate volume or product yield from logs and trees.  
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lop   to cut the limbs from a felled tree  
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lumber   timber sawed or split into planks  
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macrofauna   large animals; extremely visible  
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management   in general terms related to wildlife, the intentional manipulation or non-manipulation of habitat and the organisms within the habitat  
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management, forest   the application of business methods and technical forest principles to the operation of a forest stand  
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manipulate   manage or influence to achieve desired results  
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map   a drawing of land or physical features  
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marginal land   land that does not consistently produce a profitable crop because of infertility, drought, or other physical limitations such as shallow soils  
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marine deposits   sediment deposited in oceans  
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marking   the physical process of selecting trees to be cut or left during a harvest  
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marl   a type of bottom under a body of water, a mixture of clay and carbonate of lime  
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marsh   a wetland without trees which often has standing water  
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mast   fruits or nuts used as a food source by wildlife, soft mast includes most fruits with fleshy coverings, such as persimmon, dogwood seed, or black gum seed. Hard mast nuts like acorn, beech, pecan, and hickory  
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mature tree   a tree that has reached a desired size or age for its intended use. Size, age, or economic maturity varies depending on the species and intended use  
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MBF   Abbreviation denoting 1000 board feet. MBF is a typical unit of trade for dimension lumber and saw timber stumpage.  
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meandering   curving; often used to describe rivers and streams in lowlands  
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merchantable height   the stem length, normally measured from he ground to a 10-, 6-, or 4- inch diameter top, above which no other salable product can be cut.  
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metamorphic rock   rock formed when a pre-existing rock is exposed to high heat or pressure or when it undergoes a chemical reaction  
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methanol   alcohol made from wood  
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microclimate   a "small climate" the environmental conditions within a restricted area  
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microfauna   very small animals, barely visible to the eye  
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microhabitat   a small habitat within a larger one in which environmental conditions differ from those in the surrounding area. A hole in a tree trunk or a decaying log is a microhabitat within the forest  
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microorganism   an organism microscopic in size, observable only through a microscope  
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migration   the movement of animals including fish from one area to another  
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migratory   in wildlife usage, birds or other animals which make annual migrations; that is travel distances in the course of seasonal movements.  
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mineral   a naturally occurring inorganic crystalline material found in the Earth's crust  
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mitigate   to make up for to substitute some benefit for losses incurred  
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mixed forest   a forest that includes both coniferous and deciduous trees  
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misted stand   a timber stand in which less than 80% of the trees in the main canopy are of a single species  
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moldboard plow   a type of plow that turns the soil completely upside down, burying all crop remains underneath. Does not leave crop residue on ground surface  
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monoculture   the raising of a crop of a single species, generally even-aged  
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monoecious   unisexual flowers of both sexes, produced on the same plant  
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Montane zoen   the band of vegetation that occurs at intermediate elevations in mountainous regions between foothills and subapine zones  
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mortality rate   the death rate usually expressed in deaths per thousand  
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mosses   small green nonvascular plants  
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mottled   a variegated pattern of color  
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mucus   in fish, a slimy substance that coats the skin and helps protect fish from infection and disease. Also helps them move through the water  
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mulching   to add materials to soil to protect the soil from cold, to reduce evaporation, to control weeds, or to enrich the soil. Ex. sawdust, bark, and leaves  
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multiple-use   a term referring to a system of management in which the same lands and waters are used for a variety of purposes.  
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multiple-use forestry   any practice of forestry fulfilling two ro more objectives of management  
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multiple-use management   the practice of managing forest resources for a variety of benefits including water quality and yield forage, wildlife habitat, wood, recreation, wilderness, and minerals  
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mutualism   a close association between two different species whereby each species derives some benefits. ex. yucca plant and the yucca moth  
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myceluim   the mass of interwoven filaments that forms the vegetative portion of a fungus  
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mycorrhiza   the symbiotic association between the mycelium of a fungus and the roots of certain plants  
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nares   the nostrils in the snoot of a fish, used for smelling  
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naturalist   a specialist who studies and/or teaches about nature  
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natural resources   those raw materials supplied by the Earth and its processes. includes: nutrients, minerals, water, plants, animals, and so on.  
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natural selection   a process in nature resulting in the survival and perpetuation of only those forms of plants and animal life that have certain favorable characteristics that enable them to adapt best to a specific environment  
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naval stores   turpentine and resin derived from the distillation of oleoresins from slash and longleaf pine  
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needleleaf   refers to trees or shrub with narrow, needle-like leaves  
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niche   refers to specific place where an individual organism can live  
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nitrogen-fixation   conversion of elemental nitrogen from the atmosphere to organic combinations or to forms readily useable in biological processes.  
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nocturnal   active by night; the opposite of diurnal  
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non consumptive use   in general terms related to wildlife, any use which does not directly kill wildlife. Ex. most forms of birdwatching, photography, hiking  
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nongame   all wildlife species which are not commonly hunted, r consumed by humans, like songbirds and raptors  
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nonrenewable resources   nonliving resources such as rocks and minerals; resources which do not regenerate themselves  
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non-point-source pollution   pollution that enters water through run-off from farmland, forestland, and urban areas. It can not be determined exactly where this pollution comes from  
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nuclear fusion   nuclear change in which two nuclei of isotopes of elements with a low mass number are forced together at extremely high temperatures until they fuse to form a heavier nucleus.  
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nutrients   chemicals required for plants and animals to grow and exist; a chemical compound required for the life of an organism  
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nymph   a larval phase of an aquatic insect  
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old growth   describes virgin forest or forest with trees over 100 years of age  
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olfactory   nerves involved in the sense of smell  
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oligotrophic   lake type used to describe bodies of water characterized by low amounts of nutrients in proportion to their total volume of water  
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omnivores   organisms that eat both animals and plants  
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organic   referring to or derived from living organisms; in chemistry any compound containing carbon  
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organic matter   chemical compounds of carbon combined with other chemical elements and generally manufactured in the life processes of plant and animals.  
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organism   any form of life  
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owl pellets   regurgitated bones, fur, feathers compacted into a pellet  
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ozone   a form of oxygen that has three atoms to a molecule  
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pathology   the study of the nature of disease and its causes  
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parasite   an organism that lives on or win an organism of another species and derives nutrients from it  
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parasitic   to be a parasite another organism ex. tick on dog, mistletoe growing on a tree  
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parasitism   any relationship in which a consumer organism lives on or in and feeds on a living plant or animals, known as the host. The parasite draws nourishment from it and may gradually weaken its host and kill it.  
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parent material   the earth materials - both mineral and organic - from which soil is formed. These include: minerals and rocks, glacial deposits, bless deposits, alluvial and marine deposits, and organic deposits. Rocks are generally parent material.  
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Partial cutting   tree removal other than by clearcutting  
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particulate   small particles of liquid or solid in matter  
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passive solar power   a solar energy collection system in which natural materials or large stationary absorptive surfaces absorb and temporarily store the heat of the sun.  
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peat   moist, semi-decayed, organic matter  
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pectoral fins   side fins on fish  
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pedon   a three-dimensional soil body depicting the range of characteristics of a given soil  
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pelagic   realting to or living in deep, open water as opposed to along the banks  
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pelvic fins   fins on each side of a fish's belly. These fins aid in positioning and balance.  
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percolation   the downward movement of water in soil; leaching  
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perennial   a plant that lives for several years and, when mature, usually produces seeds each year.  
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permeability   the quality of soil that allows air or water to move through it  
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perpetual resource   a resource such as solar energy that is virtually inexhaustible on a human time scale  
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pest   an undesirable, harmful or noxious organism  
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pesticide   an agent to control undesirable organisms. This can be an insecticide for insect control, herbicide for weed control, a fungicide for control of fungal plant diseases, or a rodenticide for killing rats and mice  
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pH   the hydrogen-ion activity, used in expressing both acidity and alkalinity on a scale whose values rage from 0-14, with 7 representing neutrality.  
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pheromones   a chemical secreted by an animal or insect that influences the behavior or development of others of the same species.  
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phloem   the plant tissue that transports dissolved nutrients from the leaves to the other parts of the plant  
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phosphate   a chemical compound that aids root growth and is essential in energy transfer. It is commonly incorporated into beds as triple super phosphate at time of planting  
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photosynthesis   complex process that takes place in cells of green plants. Radiant energy from the sun is used to combine carbon dioxide and water to produce oxygen and carbohydrates and other nutrient molecules  
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phytoplankton   microscopic floating and suspended aquatic plants. Phytoplankton are the first step of the food chain in many aquatic systems.  
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pigment   a chemical substance that reflects and transmits only certain light rays and thus imparts color to an object  
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pioneer species   an organism capable of growing on bare sites and persisting there until supplanted by successor species  
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pith   soft, spongy center of the stem of most flowering plants  
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plant communities   an association of plants, each occupying a certain position or ecological niche, inhabiting a common environment and interacting  
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plankton   organisms suspended in an aquatic habitat that control their own movements. Plankton are usually microscopic and include bacteria, algae, protozoan, rotifers, larvae, and small crustaceans. Phytoplankton are plant plankton; zooplankton are the animal  
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plantation   a forest established by planting seeds or seedlings  
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plateau   an elevated, relatively level, expanse of land  
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platy   related to or being soil or minerals that occur in flaky layers  
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playa   the level area at the bottom of a basin that is often covered with water from rain runoff and snow melt  
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plywood   an assembled product constructed of three or more layers of veneer joined with glue and usually laid with the grain of adjoining plies at right angles to one another  
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point source pollution   pollution that comes from a specific place such as a drain or pipes, factory, etc  
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pore spaces, pores   the area of the soil through which water and air move. The space between soil particles  
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porous   admitting the passage of gas or liquids through pores  
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precipitation   rain, snow, and other forms of water that fall to earth  
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predator   an animal that hunts or captures other animals for food  
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prescribed burn   the planned burning of a forest, stand, prairie, or slash pile with the intent to confine the burning to a predetermined area  
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presuppression   step in preventing forest fires, includes weather prediction, detect, and planning  
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prey   animals that are killed and eaten by other animals  
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primary producers   green plants that are able to manufacture food from simple organic substance  
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prismatic   of, relating to, or being a prism  
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producers   organisms that synthesize organic compounds from inorganic substances by way of photosynthesis  
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productivity   the amount of crops or animals that can be harvested from land. It can also mean the general amount of goods made in a given time or in a given area  
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profundal   zone of water at the bottom of deep, open water  
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propane   a heavy, flammable, gaseous, paraffin hydrocarbon found in crude petroleum and natural gas; used especially as fuel and in chemical synthesis  
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protoplasm   the complex of protein, other organic, and inorganic substances, and water that constitutes the living nucleus, cytoplasm, plastids, and mitochondria of a cell  
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public land   land owned by the citizens and administered and managed by the local, state, or federal government agencies  
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pulp   fibrous material prepared from wood, recovered paper, cotton, grasses, etc. by chemical or mechanical processes for use in making paper or cellulose products  
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pulpwood   timber that is cut and made into pulp for paper and other products  
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pure stand   a timber stand in which at least 75% of the trees in the main crown canopy are of a single species  
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radon   an odorless, colorless gas produced naturally from the radioactive decay of radium-226. Radio breaks down into several radioactive parts which can attach to large particles in the air. Can cause lung cancer  
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rain shadow   the area on the leeward side of a mountain barrier that receives little rainfall  
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range   the land where animals live; an area grazed by livestock and/or wildlife  
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range land   an open region of lands that produce grasses and other forms of vegetation on which organisms can feed. Two common types of range land are pasture and open range.  
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raptor   eagles, hawks, owls, and other birds that are predators  
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rare   referring to wildlife species not presently in danger but of concern because of its low numbers  
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rare species   species that populate a site or region infrequently, or in very low numbers. Rare species are not necessary endangered  
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recreation   entertainment, frequently implying activity in the out-of-doors  
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recycle   the salvage and reprocessing of used materials  
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redd   a nest dug on the bottom of a body of water by spawning trout  
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reforestation   reestablishing a forest by planning or seeding an area from which forest vegetation has been removed  
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regeneration cut   a cutting strategy in which old trees are removed while favorable environmental conditions are maintained for the establishment of a new stand of seedlings  
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reintroduction of species   a wildlife management technique where a species is reintroduced into their historic range; the repopulation of animals in areas where they have become extinct  
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regenerate   to replace lost or damaged parts with new tissue  
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renewable resource   a resource that has the capacity to be replaced through natural processes ex trees  
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rejuvenate   to stimulate and return to youthful health and vigor  
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resident wildlife   animals which are residents to a specific area on a year-round basis as opposed to migratory  
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residual stand   trees left in a stand to grow until the next harvest  
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residium   rock that is altered wither chemically or physically but not moved form its place of origin  
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resource   portions of an environment upon which people have placed or assigned value or see asa being available for use  
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respiration   an energy-yielding oxidation process that goes on in living plants and animals; an exchange of gasses  
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rill   a type of erosion  
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ring, annual   any yearly growth layer as viewed on the cross-section of a stem, branch, or root  
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riparian   on or near the bank of water areas. The land area and plants that are influenced by the adjacent water  
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rock   a complex mineral aggregate  
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root collar   the transition zone between stem and root at the ground line of a tree or seedling  
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root hairs   a filamentous outgrowth near the tip of a rootlet that absorbs water and minerals  
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rootlet   a small root  
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rotation   the planned number of years between the formation of a crop and its final cutting at a specified stage of maturity  
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row crops   agricultural crops, such as corn and soybeans, that are grown in rows  
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runoff water   fresh water from precipitation and melting ice that flows on the ground into nearby streams, lakes, wetlands, and reservoirs  
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salinity   level of salt in a given substance  
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saltwater   water with salt in it, such asa in an ocean or sea  
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salvage cut   the harvesting of dead or damaged trees or of trees in danger of being killed by insects, disease, flooding, or other factors in order to save their economic value  
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sand   loose soil made up of small rock particles  
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sapling   a young tree, less than 4 inches dbh (diameter breast height). The minimum size of saplings is usually placed at 2 inches  
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sapwood   the younger, softer, living or physiologically active outer portion of a tree's wood that lies between the cambium and the heartwood. The sapwood is more permeable, less durable, and usually lighter in color than the heartwood.  
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sawlog or sawtimber   a log or tree that is large enough to be sawed into lumber, minimum log length is typically 8 feet  
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scale   one of the small covering plates on the body of many fish  
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scarifying   for soil: the removal of the top litter layer of an area for site preparation. For seed: the abrasion or weakening of the seed coat to encourage germination  
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scat   another name for animal droppings or excrement  
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scavenger    
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scrub   low, woody vegetation composed principally of shrubs  
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school   a number of fish of the same species that are grouped together  
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secondary succession   the sequential development of communities in an area in which natural vegetation has been removed or destroyed, but the soil was not destroyed  
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secluded   removed or screened from view of other areas and disturbances  
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sedges   grass-like plants with solid stems and leaves that grow in threes  
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sediment   the matter that settles to the bottom of a liquid  
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sedimentary rock   rock that is formed by the accumulation of sediments that are compacted and solidified by heat, pressure, or chemical reactions  
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sedimentation   the deposition or accumulation of sediment  
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seedling   a young tree grown from a seed to a small sapling  
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seed tree   a tree left behind when a stand is harvested or partially cleared to provide a source of seed for the species desired to be renewed  
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seed tree cut   a harvesting method in which a few scattered trees are left behind to provide a source of seed  
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selective cutting   the cutting of intermediate-aged, mature, or diseased trees in an uneven-aged forest stand, either singly or in small groups. This encourages the growth of younger trees and maintains an uneven-aged stand  
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selective harvesting   the removal of individual or small clusters of trees to manage a forest stand so that it has a mixture of age classes and products  
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sere   the series of communities that follow one another in a natural succession, as in the change from a bare field to a mature forest.  
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serotinous   a pinecone or other seed case that requires heat from a fire to open and release the seed  
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shearing   slicing or cutting trees or stumps at the ground line. Shearing may be done at harvest or with a KG blade during site preparation  
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shelterbelt (windbreak)   a row of trees and shrubs planted along the edge of a cultivated field to limit soil erosion caused by wind  
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shelterwood cut   the removal of the understory of a forest so that younger saplings can grow in the shade of older and larger trees  
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shrub   plants with woody stems that are usually less than 12 feet tall. Shrubs often have many main stems rather than one main stem  
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slit   very fine particles soil often transported by water and deposited as sediment  
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silviculture   the science and art of cultivating forest crops according to a study of the life history and general characteristics of forest trees  
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single-tree selection   harvesting single trees in a forest stand  
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site index   a relative measure of forest site quality based on the height of the dominant trees at a specific age  
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site preparation   preparing an area of land for planting, direct seedling or natural reproduction by burning, by chemical vegetation control, or by mechanical operations such as disking, bedding, scarifying, wind-rowing, or raking  
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slash   the residue left on the ground after trees are harvested  
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slope   the degree to which the land surface is incline  
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sloughs   a swampy place or marshy inlet  
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smog   originally a combination of smoke and fog, now also applied to the photochemical haze produced by the action of the sun and the atmosphere on automobile and industrial exhausts  
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snag   a standing dead tree.  
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softwood trees   usually refers to coniferous trees  
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soil compaction   the compression of soil to a smaller volume  
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soil texture   the feel or composition of the soil as determined by the size of the soil particles  
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soil type   soil that are alike in all characteristics, including texture of the topsoil.  
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solar energy   heat from the sun that can be used to do work  
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solid waste   discarded solid materiais, excluding recovered materials  
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spawn   the act of releasing eggs into the water by female fish for fertilization by male fish  
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spawning run   the movement of fish to an area for the purpose of spawning  
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species   animals and plants that are the same and successfully reproduce the same kind of plant or animal: a category of biological ranking just below the genus or subgenus category.  
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species diversity   the number of different species and their relative abundance in a given area  
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springwood   the less dense, larger-celled, first-formed part of a growth layer  
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sport fishing   fishing for recreation, not for profit or commercial reason  
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stagnant   sluggish, not producing to potential  
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stand   an easily defined are of the forest that is relatively uniform inspects composition or age and can be managed as a single unit  
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stewardship   the concept of responsible care taking is based on the premise that we do not own resources but are mangers of resources and are responsible to future generations for their condition  
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stewardship forest   a privately owned forest tract that exhibits integrated forest management to protect and enhance wildlife, timber, recreation, natural beauty, and soil and water quality  
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Stewardship Incentive Program (SIP)   a cost-sharing program available to forest landowners who have a multi-resource forest stewardship plan. Practices include cost-sharing assistance for the enhancement of forest recreation, fisheries, wildlife, and timber production and the protection  
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stoma   a small opening found in the epidermal layer of plants that allows; access for carbon dioxide; the release of water; and the release of oxygen. They are surrounded by guard cells that control the opening size.  
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stratification, forest   the various layers of trees in a forest from the upper layer (canopy) to saplings, seedlings, and small herbaceous plants.  
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Streamside Management Zone (SMZ)   An area adjacent to a stream where vegetation is maintained or managed to protect water quality. The width depends on slope, but 50 ft is the normal minimum. Trees may be removed from SMZ asa long as the stream bed is not disrupted and sufficient  
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subclimax   a stage in succession that is short of the climax stage, but in which further development is inhibited by some factor(s) other than climate  
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succession   the natural sequence of plant community replacement; beginning with bare ground and resulting in a final, stable community in which a climax forest is reached.  
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successional disking or mowing   a wildlife-enhancement practice in which a disk harrow or rotary mower is used to knock down existing vegetation every 1 to 3 years to promote the regrowth of annuals, legumes, forbes, and perennials.  
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successional stage   a distinguishable stage in the process of succession  
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sustainable forestry   managing forest to meet the needs of the present without compromising the ability of future generations to meet their own needs. This is done by practicing a land stewardship ethic that integrates the reforestation, managing, growing, nurturing and harve  
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sustained yield   the rate at which a resource may be used without reducing its long-term availability or limiting its ability to renew itself  
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summerwood   the denser, smaller-celled, later-formed part of a growth layer  
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suppression   containing a fire by robbing the fire of fuels, lowering temperature, or cutting off the oxygen  
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swamp   a wetland dominated by trees  
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symbiosis   the living together in close association of two or more dissimilar organisms; includes parasitism, mutualism, and neutralism.  
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succulent   having thick fleshy leaves that conserve moisture  
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taproot   the main rot of a tree that strikes downward with or without heavy branding until it either reaches an impenetrable layer or one so lacking in oxygen or moisture that further downward growth is impossible  
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temperate forest   a forest with moderate year-round temperatures and district seasons that are characterized by both broadleaf evergreens and conifers. Characteristic trees of a temperature forest include; oaks, magnolias, and royal palms  
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terrain   the character or topography of the land  
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territory   an area used for breeding, feeding or both, which is defended by an animal against others of the same species.  
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thin   to reduce the number of trees in a stand  
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threatened species   a species that, in nature, is abundant, but because of a decline in its numbers, may become endangered  
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tillage   cultivation of land  
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timber   a forest stand containing trees of commercial size and quality suitable for sawing into lumber  
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timber cruise   the process of determining estimates of timber volume, growth, stand density, and other kinds of information on a forest property  
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timberland   forest that are capable of growing 20 cubic fee per acre per year of commercial wood  
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timberline   the upper limit of tree growth on mountains  
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tissue   a group of cells, usually a particular kind of cells, that function together and form the structural material in an organism  
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tolerant species   a species of tree that has the ability to grow in the shade of other trees and in competition with them  
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transitional    
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transpiration   vapor water lost or given off by land plants  
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tree   a plant that is usually more than 12 feet tall and has a single main woody stem with a distinct crown of leaves  
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tree farm   a privately owned woodland where sustainable forest management is the primary objective.  
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turbid   having sediment or foreign particles stirred up or suspended; muddy  
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understory   the layer formed by the crowns of smaller trees in a forest  
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undulating   a regular rising and falling or side-to-side motion  
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uneven-aged stand   a forest area composed of intermingling trees of markedly different ages  
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urban forestry   a specialized branch of forestry that has as its objective the cultivation and management of trees for their contribution to the physiological, social and economic well being of urban activity  
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valley    
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vegetation   the mass of plants that cover a given area  
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vegetative reproduction   an asexual means of propagating new plants through root shoots, bulbs, leaf cutting or underground stems  
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vertical vegetation zones   the belt of distinctive plant cover in mountainous regions resulting from climatic changes related to elevation changes  
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vigor   in plants and animals, refers to the capacity for strong growth and high survival  
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VOC (Volatile Organic Compound)   A "naturally" derived compound which can cause serious environmental and health threats when found in high concentrations or used in poorly ventilated areas. VOC can be found in household cleaners, paints, wood finishes, and pesticides.  
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waste stream, solid   discarded solid materials, excluding recovered materials  
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waste water   water that runs off cropland during irrigation  
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watershed   the land area where all rain drains into a body of water - delivering both runoff water and sediment to a major river or stream and its tributaries  
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wedge prism   a type of angle gauge made of glass that bends light that lets a forester determine which trees should be counted or tabulated in a forest sample and which should not. Prism may also be used for timber cruising, for locating points at a desired distance  
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wetland   an area that is regularly wet or flooded where the water table stands at or above the land surface for at least part of the year. Wetland plant communities are made up of species that require hydric soils  
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wilderness   an area that has never been developed by humans  
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wilderness area   an area established by the federal government to be managed and preserved in an essentially untouched condition. Wilderness areas are open to some recreational activities. Machinery, mining, logging, and other commercial pursuits are not allowed.  
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wildfire   any fire other than a controlled or prescribed burn occurring on wild land  
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wildlife   a loose term that includes nondomesticated animals, especially mammals, birds, and fish  
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wildlife management   the application of scientific knowledge and technical skills to protect, preserve, conserve, limit, enhance, or extend the value of wildlife and its habitat  
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wind energy   power harnessed from the wind by the use of windmills or turbines  
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windrow   a long, narrow row of vegetation, debris, and some soil created during site preparation and clearing operations  
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windthrow   trees uprooted by excessive wind. Shallow-rooted trees are almost always affected  
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woodlands (open forest)   a wooded area in which the crowns of the trees do not form a closed canopy  
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xylem   the complex woody tissue of higher plants that includes systems for transporting water, storing nutrients, and supporting the plant's structure  
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yard up   to gather in a sheltered area in winter; used typically in reference to deer, moose, and similar animal populations  
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zero population growth   maintaining population numbers at a fixed level resulting in no increase in population  
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zone   an area composed of groups of tree species having the same specific moisture and nutrient requirements for growth  
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zoologist   a specialist who studies the animal kingdom with respect to the behavior of individual animals, species, or both  
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zooplankton   plankton that consists of animals including coral, sea anemones, and jellyfish  
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Abney level   a surveying instrument désigné to measure angles of elevation or depression.  
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acid   substances with a pH of less than 7  
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active solar power   a solar energy collection system in which water, air, or another heat-absorbing fluid is actively pumped through a solar collector.  
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adipose fin   the fatty fin on some species of fish, such as catfish and bullheads  
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aestivation   dormancy, typically seasonal  
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afforestation   the establishment of a forest on an area not previously forested  
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age, rotation   the age at which a tree stand is considered ready for harvesting under the adopted plan of management  
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air quality   a gauge of the concentration of one or more chemicals in the atmosphere that could potentially be harmful to humans, other animals, vegetation, or materials  
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algae   any of numerous chlorophyll-containing plants of the phylum Thallophyte, ranging from unicellular to multicellular forms infers or salt water  
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alidade   an instrument used in fire towers to locate forest fires. The alidade is equipped with sights for determining the direction of a fire  
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all-aged   applies to a stand of trees where (theoretically) trees of all ages are found  
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allantois   part of an egg that receives waste from the embryo  
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amnion   a thin, fluid-like sack that encloses the embryo in an egg  
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anadromous   any species of fish that lives in salt water and spawns in freshwater. some examples are salmon, shad, and striped bass.  
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anal fin   the fin found on the lower portion of a fish's body near the tail  
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angiosperm   any class of flowering plants characterized by seeds that are fully enclosed by fruits  
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arboreal   pertaining to or like a tree; adapted to living in trees  
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arid   dry; receives list precipitation  
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aquifer   a geological formation that is permeable; a water-bearing layer of rock or soil.  
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bauxite   a mineral composed of 45-60% aluminum, making it the primary source of this versatile metal.  
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benthic   having to do with the ecosystem at the bottom of a lake  
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biennial   a plant that lives for two growing season, producing foliage during the first season and flowers, fruit, and seeds during the second  
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Biltmore stick   an instrument used for measuring the diameter of a tree, height of a tree, and diameter of a log.  
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bioaccumulation   the build-up of chemicals in a plant or animal.  
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bog   a wetland formed in a former glacial depression by the accumulation of organic matter, known as peat, and which supports mosses tolerant of acidic conditions  
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bole   the main trunk of a tree  
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botanist   a specialist in the study of plants  
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bottomlands   a forest area near a stream, river, or other moving body of water. Bottomlands are subject to periodic flooding usually have wetland hardwood species  
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brackish   the water in the area where fresh and salt water meet; often has varying salinity but is saltier than fresh water  
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bromeliad   a member of a family of tropical American and epiphytic herbaceous plants that includes the pineapple and various other ornamentals  
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cacti   plants that have adapted to dry conditions; cactus have small leaves and thorns and can store after in leaves and other parts of the plant  
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caliper, tree   an instrument used to measure diameters of trees or logs. The tree caliper is a graduated rule with two arms, one fixed at right angles to one end of the rule and the other sliding parallel to the fixed arm  
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carrion   the bodies of dead animals, usually found in nature int he process of decay; to "fresh meat"  
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cast   to regurgitate indigestible prey remains  
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catadromous   any species of fish that lives in freshwater and spawns in saltwater, such as the eel  
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caudal   related to or being the tail; the tail fin  
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chart   a "map" of water areas showing water depths for the shorelines, reefs, rocks, shoals, wrecks, and other areas of dangers  
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chip-n-saw   a cutting method used in cutting lumber from trees that measure between 6 and 14 inches diameter at breast height. The process chips off the rounded outer layer of a log before sawing the remaining part into lumber  
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chorion   the outer membrane enclosing the embryo in reptiles, birds, and mammals  
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chromatography   a method of analyzing materials of various compounds by testing their absorption rates  
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clay   fine-grained soil with particles less than .002 millimeters; plastic when wet, but hardens when dry  
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columner   having the shape of a column  
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combustion   an oxidative chemical process that results in the creation of heat and light  
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compound leaf   a leaf that is subdivided into many leaflets. A leaf that is comprised of a single leaf blade is a simple leaf.  
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cone   a structure composed of many spirally-arranged scales in which pollen ovules are produced  
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contour farming   plowing along the contour lines of uneven terrain to help prevent erosion  
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conventional crude   the viscous liquid drilled and pumped from underground oil deposits, or reserves. After the crude oil has been extracted, it is sent to a refinery for processing into gasoline, heating oil, and other petroleum products.  
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conventional natural gas   underground deposits of gases that are associated with crude oil deposits.  
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conventional nuclear fission   the process by which the nucleus of a heavy element is split into lighter nuclei, resulting in the release of a large amount of heat. This heat is then used to power a turbine that generates electrical energy  
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cord   a volume measure of stacked wood.  
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core sample   a small section removed from the trunk of a tree that allows foresters to determine the age of the tree without killing the tree  
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cove   a small bay or inlet in a body of water  
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covey   a small flock or group often a family group of birds such as quail  
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creel limit   a term to indicate the number of fish, by species that can be legally caught in one day  
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creosote, wood-tar   distillate oil derived from wood tear and produced as a by-product in the destructive distillation of either hardwoods or softwoods  
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crown-sprout   the ability of some plants to regrow after plant material above ground is removed by fire or other disturbances  
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cull   a tree or log of marketable size that is useless for all but firewood or pulpwood because of crookedness, rot, injuries, or damage from disease or insects  
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cunit   a stack of logs containing 100 cubic feet  
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cutting   the name given to the type of harvesting system - clear cutting, seed tree, selection, and shelter wood  
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DDT   a colorless contact insecticide which was banned in the US in 1972  
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decibel   a unit of intensity of sound a measurement of 50 decibels is considered moderate sound  
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defoliation   the removal of leaves or needles from trees or plants usually caused by insects, diseases, or chemicals and often causing mild to severe damage  
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dehiscent   fruits with their seeds inside that spill out when the outer layer is ruptured  
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detritus   disintegrated material or debris; loose fragments washed away from rocks  
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denitrification   to remove nitrogen or nitrogen-containing gases  
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densimeter   a device used for measuring the density of the canopy cover  
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depredation   the act of preying upon usually in relation wildlife damage to people's crops or animals  
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desert scrub   arid environments with irregular winter rainfall, summer rainfall, or bi-seasonal rainfall and highly varied plant life that includes leafless, drought deciduous, or evergreen species of trees, shrubs, herbs, grasses, yuccas, agaves, and cacti  
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detrimental   having harmful effects  
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dioecious   male and female flowers produced on separate plants  
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direct or broadcast seeding   sowing seed for broad coverage from the air or on the ground  
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dissolved oxygen   the oxygen mixed into water and used by fish.  
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display   an observable behavioral pattern that carries a specific message.  
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dorsal fin   a fin located on the back or upper-most part of a fish  
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DNR (Department of Natural Resources)   natural resources agency in many states  
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early successional   describes a species adapted to the beginning or early stages of biotic succession.  
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ecological islands   small spaces of wildlife and plant habitat remaining when land is cleared for farming or urban development  
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echosphere   a term for the total of all the regions on the earth capable of supporting life  
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ecotone   a land area where two different succession layers come together; edge good wildlife habitat  
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edaphic   realting to soil  
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edge effect   the tendency of wildlife to use the areas where two different vegetative types come together forming an edge; where rabbits concentrate in an area where brush land and meadow land meet because of the diversity of food, shelter, etc  
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edge habitat   the transition zone between two different habitat types  
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effluent   the outflows from sewage or industrial plants  
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emergent   a tree that grows above the general level of the forest canopy. In ecology, a plant which emerges from the water to grow in wetlands  
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endemic   pertaining to a population that is restricted to a particular geographic area  
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epilimnion   the warm layer of water above the thermocline  
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epiphyte   a plant that grows on the surface of another plant but is not a parasite since it gets its nourishment from the air  
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ethanol   a grain alcohol produced by fermentation or the anaerobic digestion of plant materials with a high sugar content  
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ethnobotany   the study of the relationship between societies and the plants of their environment  
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ethics   a personal or social moral code  
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even-aged management   a forest management method in which all trees in an area are harvested at one time or in several cuttings over a short time to produce stands that are all the same age or nearly so.  
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evergreen   plants that do not lose their leaves during the winter. These are usually conifer trees but some, such as the live oak, are broadleaf trees.  
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exclusion   keeping something out of an area  
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famine   an extreme shortage of food in a given area  
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feldspars   the most abundant group of minerals in the earth's crust  
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fire triangle   the three components necessary for a fire to burn-heat, fuel, and oxygen  
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firebreak   any nonflammable barrier used to slow or stop fires. Several types of firebreaks are mineral soil barriers; barriers of green, slow-burning vegetation and mechanically cleared areas  
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fisheries management   the science of management of fish populations through research, habitat manipulation, stocking, water quality control, and regulations  
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flat or straight planting   planting trees directly into the ground without beds or , in some cases, without first moving logging debris  
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fluctuate   to vary; or rise and fall irregularly  
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flyway   fly routes establish by migratory birds  
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fossil fuel   coal, oil, and other energy sources that formed over millions of years from the remains of ancient plants and animals.  
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fusiform rust   a disease resulting in a canker or swollen area on the limbs of trunks of pine trees from orange spores produced by infected oak leaves  
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generalists   species that have broad adaptability; more likely to survive changes in habitat  
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geothermal energy   heat transferred from the earth's interior to underground concentrations of water trapped in fractured or porous rock to form steam or hot water  
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glaciation   the action of huge masses of moving ice formed from compacted snow  
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grazer   a herbaceous organism that consumes primarily grasses  
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gross national product   total market value in current dollars of all goods and services produced by a country's economy for final use during a year  
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herbicide   chemicals used to control the growth of plants  
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high-grading   a harvesting technique that removes only the biggest and most valuable trees from a forest stand  
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hormones   a substance produced by one tissue and conveyed by the bloodstream to another to affect physiological activity like growth  
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horticulture    
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hunting pressure   the numbers, amount, or concentration of hunters in a specific area and upon a specific animal  
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hydropower   electric energy produced by falling or flowing water  
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IGFA (International Game Fish Association)   a group that keeps records oafish catches and supports sport fishing  
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impoundment   a man-made body of water  
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impervious   cannot be penetrated  
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indehiscent   fruit with the seeds on the outside like a strawberry, therefore they don't split open when mature  
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indigenous   pertaining to plants or animals that are native to a particular region or country  
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instinctive   actions taken as a result of an inbox pattern of behavior  
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interdependencies   the interrelationships of wildlife with one another and with the various elements of their environments  
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invade   to enter, to encroach upon, to spread over into. In wildlife usage this usually describes when an organism is removed from a community and another organism spreads over into this community  
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IPM (Integrated Pest Management)   a system that can reduce the amount of pesticides applied to crops  
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late successional   describes a species adapted to the later stages of biotic succession  
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lichen   algae and a fungus growing together in a symbiotic relationship  
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loam   a type of soil that consists of a mixture of clay, sand and silt  
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lop   to cut the limbs from a felled tree  
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marine deposits   sediment deposited in oceans  
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mari   a type of bottom under a body of water; a mixture of clay and carbonate of lime  
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marsh   a wetland without trees which often has standing water  
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mast   fruits or nuts used as food source by wildlife.  
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methanol   alcohol made from wood  
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microclimate   a "small climate" the environmental conditions within a restricted area  
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mineral   a naturally occurring inorganic crystalline material found in the Earth's crust  
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monoculture   the raising of a crop of a single species, generally even-aged  
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monoecious   unisexual flowers of both sexes, produced on the same point  
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Montane zone   the band of vegetation that occurs at intermediate elevations mountainous regions between foothills and subapine zones  
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mosses   small green nonvascular plants  
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mottled   a variegated pattern of color  
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mutualism   a close association between two different species whereby each species derives some benefits  
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mycorrhiza   the symbiotic association between the mycelium of a fungus and the roots of certain plants  
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nares   the nostrils in the snoot of a fish, used for smelling  
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naval stores   turpentine and resin derived from the distillation of oleoresins from slash and longleaf pine  
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needleleaf   refers to a tree or shrub with narrow needle-like leaves  
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nongame   all wildlife species which are not commonly hunted  
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nymph   a larval phase of an aquatic insect  
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old growth   describes virgin forest or forest with trees over 100 years old  
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oligotrophic   lake type used to describe bodies of water characterized by low amounts of nutrients in proportion to their total volume of water  
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pathology   the study of the nature of disease and its causes  
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particulate   small particles of liquid or solid in matter  
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pectoral fins   side fins on fish  
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pedon   a 3 dimensional soil body depicting the range of characteristics of a given soil  
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pelagic   realting to or living in deep, open water as opposed to along the banks  
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pelvic fins   fins on each side of a fish's belly  
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phloem   the plant tissue that transports dissolved nutrients from the leaves to the other parts of the plant  
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platy   related to or being soil or minerals that occur in flaky layers  
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playa   the level area at the bottom of a sin that is often covered with water from rain runoff and snow melt  
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plywood   an assembled product constructed of three or more layers of veneer joined with glue and usually laid with the grain of adjoining plies at right angles to one another.  
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presuppression   step in preventing forest fires, includes weather prediction, detection, and planning  
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profundal   zone of water at the bottom of deep, open wter  
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propane   a heavy, flammable, gaseous, paraffin hydrocarbon found in crude petroleum and natural gas; used especially as fuel and in chemical synthesis  
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protoplasm   the complex of protein, other organic and inorganic substances, and water that constitutes shelving nucleus, cytoplasm, plastids, and mitochondria of a cell  
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pure stand    
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reintroduction of species   a wildlife management technique where a species is reintroduced into their historic range; the repopulation of animals in areas where they have become extinct  
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regeneration cut   a cutting strategy in which old trees are removed while favorable environmental conditions are maintained for the establishment of a new stand of seedlings  
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resident wildlife   animals which are residents to a specific area on a year-round basis as opposed to migratory  
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residual stand   trees left in a stand to grow until the next harvest  
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residium   rock that is altered either chemically or physically but not moved formats place of origin  
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root collar   the transition zone between stem and root at the ground line of a tree or seedling  
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root hairs   a filamentous outgrowth near the tip of a rootlet that absorbs water and minerals  
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row crops   agricultural crops,such as corn and soybeans, that are grown in rows  
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salvage cut   the harvesting of dead or damaged trees or trees in danger of being killed by insects, disease, flooding or other factors ignorer to save their economic value  
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scale   one of the small covering plates on the body of many fish  
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scarifying   for soil: the removal of the top litter layer of an are for site preparation  
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school   a number of fish of the same species that are grouped together  
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secondary succession   the sequential development of communities in an area in which natural vegetation has been removed or destroyed, but the soil was not destroyed  
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secluded   removed or screened from view of other areas and disturbances  
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sedges   grass-like plants with solid stems and leaves that grow in threes  
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sedimentary rock   rock that is formed by the accumulation sediments that are compacted and solidified by heat, pressure, or chemical reactions  
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sedimentation   the deposition or accumulation of sediment  
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seed tree   a tree left behind when a stand is harvested or partially cleared to provide a source of seed for the species desired to be renewed  
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seed tree cut   a harvesting method in which a few scattered trees are left behind to provide a source of seed  
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sere   the series of communities that follow one another in a natural succession as in the change from a bare field to a mature forest  
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serotinous   a pinecone or other seed case that requires heat from a fire to open and release the seed  
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soil compaction   the compression of soil to a smaller volume  
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smog   originally a combination of smoke and fog now also applied to the photochemical haze produced by the action of the sun and the atmosphere on automobile and industrial exhausts  
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slash   the residue left on the ground after trees are harvested  
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suppression   containing a fire by robbing the fire of fuels, lowering temperature, or cutting off the oxygen  
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swamp   a wetland dominated by trees  
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succulent   having thick fleshy leaves that conserve moisture  
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taproot   the main root of a tree that strikes downward with or without heavy branching until it either reaches an impenetrable layer or one so lacking in oxygen or moisture that further downward growth is impossible  
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temperate forest   a forest with moderate year-round temperatures and distinct seasons that are characterized by both broadleaf evergreens and conifers.  
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threatened species   a species that, in nature is abundant but because of a decline in its numbers may become endangered  
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tolerant species   a species of tree that has the ability to grow in the shade of other trees and in competition with them  
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transpiration   vapor water lost or given off by land plants  
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