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Fisheries
Human Dimensions
| Question | Answer |
|---|---|
| Fish (definition) | A poikilothermic aquatic chordate with fins |
| Fisheries (definition) | A system composed of aquatic biota |
| Components of a Fishery | Organisms |
| Organisms (fishery component) | Population dynamics |
| Habitats (fishery component) | Water quality |
| People (fishery component) | Sociology |
| Fisheries includes | Recreational |
| Fisheries Science | Research focused on obtaining basic knowledge |
| Fisheries Management | Applying knowledge to produce sustainable benefits for people |
| Fisheries Management (definition) | Manipulation of fish populations |
| Purpose of Fisheries Management | Protect |
| Ecosystem Services | Benefits provided by ecosystems such as food and life support systems |
| Issues in Fisheries Management | Overharvesting |
| Overharvesting | Excessive fishing that reduces fish populations below sustainable levels |
| By-catch | Unintentional capture of non-target species |
| Eutrophication | Excess nutrients causing algal blooms and oxygen depletion |
| Why study history in fisheries | To understand past conditions and avoid repeating mistakes |
| Historian perspective | Focus on long-term processes and preserving stability |
| Scientist perspective | Focus on ecosystem processes and long-term ecological change |
| Early fishery issues | Native American conflicts |
| Native American fisheries | Fish used for food |
| European settlement impact | Increased demand and stress on aquatic resources |
| Manifest Destiny | Belief in expansion contributing to resource exploitation |
| Walleye Wars | Conflict over Native American fishing rights in Wisconsin |
| Ichthyology | Study of fish |
| Samuel Latham Mitchell | First American ichthyologist |
| David Starr Jordan | Father of North American ichthyology |
| U.S. Commission on Fish and Fisheries (1871) | Federal response to declining fisheries |
| Goals of Fish Commission | Determine causes of decline |
| Fish Culture | Breeding and raising fish in controlled environments |
| Seth Green | Father of fish culture in the United States |
| American Fisheries Society (AFS) | Organization promoting fisheries science and management |
| Fish Stocking | Releasing fish to boost populations |
| Risks of Fish Stocking | Disease spread |
| Dams (impact) | Block migration and alter aquatic ecosystems |
| Mitchell Act (1938) | Established fish culture stations with mixed results |
| Early management philosophy | Fish viewed primarily as a food resource |
| Martin v. Waddell (1842) | Established public ownership of fish and wildlife |
| Massachusetts v. Holyoke Waterpower (1931) | Required fish ladders for dams |
| Fishing licenses | Funding source for fisheries management |
| Dingell-Johnson Act (1950) | Tax-based funding for fisheries management |
| Wallop-Breaux Act | Additional funding from fishing equipment and fuel taxes |
| Modern fisheries management | Ecosystem-based approach rather than single-species focus |
| Maximum Sustainable Yield (MSY) | Largest catch that can be sustained over time |
| Contemporary challenges | Invasive species |
| Human dimensions in fisheries | Influence of human behavior |
| Bioenergetics | Study of energy flow in organisms |
| Predator-prey dynamics | Interactions that regulate populations |
Created by:
llamaandlearning
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