LARC 152 Study Guide - Clean Water Act, Primary Production, Palustrine Wetland
31 Oct 2022
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Net primary productivity = gross primary productivity respiration. Oxygen, nutrients, high npp, weathering of soil or rock lead to high productivity. Rate of decline has gone down recently. Main reasons for loss: human agriculture and suburban expansion, nature reason: rising sea levels. General wetland history in md- we"ve lost about 50% of wetlands in md; most in. Marine -in the open ocean and along the coastline. Estuarine -where river and stream systems meet tidal salt water. Riverine - along the edges of river channels where water movement slows. Lacustrine -along the edges of deep bodies of freshwater. Palustrine -in upland habitats, without surface connections to other bodies of water. Most productive types-wetlands-they have the highest net primary productivity because there is a large amount of water and sunlight. Geographic location of wetlands -eastern united states. 1948-fwpca federal water pollution control act this regulated dumping into navigable waters. Code 16-101 to 16-503) to protect. 1972-clean water act - section permit 404.
