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Ponds Lakes Wetlands
ponds, lakes & wetlands (2.2 & 2.3)
Term | Definition |
---|---|
eutrophication | excessive richness of nutrients in a body of water which causes a dense growth of algae and a decrease in oxygen levels |
lake turnover | seasonal mixing of water, refreshing the supply of nutrients |
wetland | an area of land that is covered with a shallow layer of water during some or all of the year |
point source pollution | a specific source of pollution that can be identified |
nonpoint source pollution | a widely spread source of pollution that is difficult to link to a specific point of origin |
reservoir | a natural or artificial lake that stores water for human use |