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forestry vacab B


barbel A whisker-like projection for the jaws of some fish such as a carp or catfish. Barbels help a fish to taste and feel.
bauxite A mineral, composed of 45 to 60% aluminum, making it the primary source of this versatile metal. Australia is the world’s largest supplier of bauxite ore; the from bauxite. United States is the largest processor of aluminum
benthic Having to do with the ecosystem at the bottom of a lake
biennial A plant that lives for two growing seasons, producing foliage during the first season and flowers, fruit, and seeds during the second.
Biltmore stick An instrument used for measuring the diameter of a tree, height of a tree, and diameter of a log. A Biltmore stick also has board foot tables on it.
bioaccumulation The build-up of chemicals in a plant or animal. For example, DDT in bluebirds.
biogeochemical cycles Movement of matter within or between ecosystems caused by the interaction of living organisms, geologic forces, or chemical reactions.
block An area of land or timber that has been defined for management purposes. One block may be composed of stands of different species or ages.
board foot A unit of wood measuring 144 cubic inches; a piece of wood that is 12 inches long by 12 inches wide by 1 inch thick is equal to 1 board foot.
bole The main trunk of a tree.
Boreal Forest The northernmost broad band of mixed coniferous and deciduous trees that stretches across northern North America, Europe, and Asia.
borer (increment) An augerlike instrument with a hollow bit, used to extract cores from trees for the determination of growth and age.
borers (insect) Insects that bore into and feed on twigs, branches, trunks, nuts, or logs.
bottomlands A forest area near a stream, river, or other moving body of water. Bottomlands are subject to periodic flooding and usually have wetland hardwood species.
breast height Four and a half feet high; the point on a tree where diameter measurement is taken.
broadleaf The term describing a plant with wide bladed leaves, such as an oak or maple; generally refers to flowering trees in contrast to conifers.
Created by: aaronbrown1