58-ME4211 - 2 Criteria on the Nutrient Enrichment Nutrient...

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2. Criteria on the Nutrient Enrichment Nutrient enrichment is an important on ecosystems from substances containing nitrogen (N) or phosphorous (P). As a rule, the availability of one of these nutrient will be a limiting factor for growth in the ecosystem , and if this nutrient is added, the growth of algae or plants will be increased. In aquatic ecosystems this can cause the occurrence of situations without oxygen in the bottom strata due to the increased algal growth 1
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2 Eutrofication -process in which addition of nutrients to water bodies stimulates algal growth (a slow process under natural conditions). A variety of human activities has greatly accelerated nutrient inputs, causing excessive algae growth leading to degraded environmental conditions.
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Society’s emissions of nitrogen to the aquatic environment are blamed especially on the agricultural use of fertilisers .
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This note was uploaded on 12/07/2011 for the course ME ME4211 taught by Professor Dr.a.vyas during the Winter '11 term at NYU Poly.

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58-ME4211 - 2 Criteria on the Nutrient Enrichment Nutrient...

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