Question

What do call a enrichment of the body of water by nutrient salt often due to runoff from the land which result to a massive growth of aquatic lackof dissolved oxgen?

Answer 1

Explanation:

Eutrophication is an enrichment of water by nutrient salts that causes structural changes to the ecosystem such as: increased production of algae and aquatic plants, depletion of fish species, general deterioration of water quality and other effects that reduce and preclude use”.

Answer 2

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Eutrophication, the gradual increase in the concentration of phosphorus, nitrogen, and other plant nutrients in an aging aquatic ecosystem such as a lake. ... This material enters the ecosystem primarily by runoff from land that carries debris and products of the reproduction and death of terrestrial organisms.