Man-made environment issue- Eutrophication Essay
Eutrophication is the ecosystem http://writing-the-college-essay445.mystrikingly.com/ response to the addition of artificial or natural substances to an aquatic system. (Schindler, David and Vallentyne, John R. 2004)Most people don’ t really know about it, so I’m writing this essay to tell some facts about two major causes, the bad effect in my country – China and the prevention and reversal and how can the algae be used to make more benefit to the world and people who live on it. The two major causes of eutrophication are excess nitrates and excess phosphates in water.
(e-How Jul 05, 2012)Many farmers use fertilizers to make their plants grow better, but one of the most frequently-used fertilizers is the fertilizer which contain nitrates and phosphates. Once fertilizer is applied, the nitrates, which are water soluble, will leach into groundwater or erode and end up in surface runoff. Phosphates will adhere to soil articles, and often accumulate in soil and erode, along with soil, into aquatic environments. ( Smith, V. H. ; Tilman, G. D. ; Nekola, J. C. 1999.
