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Unit 8 Vocabulary
Unit 8 Vocabulary Strategy
Term | Definition |
---|---|
Introduced Species | Foreign or exotic organisms that out-compete native organisms. |
Non-Extractive Resource | Use of the ocean for transportation and recreation. |
Chlorofluorocarbons | Chemicals released in the atmosphere that attack and deplete the ozone. |
Ballast Water | Tankers and cargo ships carry it to balance and maintain buoyancy when trading. |
Biological Amplification | Concentrated toxic substances found in organisms at the top of the food chain. |
Coral Bleaching | Pollution causes it to expel their symbiotic zooxanthellae. |
Greenhouse effect | The trapping of heat by the atmosphere. |
Mariculture | Farming of marine organisms in estuaries or bays. |
Bykill | Animals unintentionally killed while collecting a specific organism. |
Aquaculture | Farming of plants and animals in any water environment under controlled conditions. |
EEZ Exclusive Economic Zone | The 200 nautical miles from a nation's shoreline of protected resources and economic activity. |
Territorial Waters | 12 miles from shore where a nation has jurisdiction. |
Desalination | The separation of pure water from seawater. |
Maximum sustainable yield | The most that can be caught without impairing future populations of organisms. |
Drift net | "Walls of death" used for fishing. |
Commercial extinction | Depletion of a resource species to a point where it is no longer profitable to harvest. |