Earth First! Earth First! is a radical environmental advocacy group that emerged in the Southwestern United States in 1979. It was co-founded on April 4, 1980 by Dave Foreman, Mike Roselle, Howie Wolke, Bart Koehler, and Ron Kezar.
A eutrophic body of water, commonly a lake or pond, has high biological productivity. Due to excessive nutrients, especially nitrogen and phosphorus, these water bodies are able to support an abundance of aquatic plants. Usually, the water body will be dominated either by aquatic plants or algae.
Effects of eutrophication: 1  The algae covers the surface, it prevents the penetration of sunlight into the wter bodies. 2  The growth of aquatic animals inside the water body is affected. 3  The fishes are not able to get good oxygen hence they die. 4  Usually it takes a very long time for the water body to regenerate its initial state. 5  The movement of ...