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< Beachapedia:Factoid‎ | 2002‎ | 02

Eutrophication and Hypoxia

"The long-term increase in the supply of organic matter to an ecosystem - often as a result of excess nutrients, or nutrient overenrichment - is called eutrophication. Eutrophication creates two harmful effects: oxygen depletion and reduced water clarity. When dissolved oxygen levels drop to levels that equal two milligrams per liter or less, a condition called hypoxia occurs." (Excerpt from the Pew Oceans Commission publication, "Marine Pollution in the United States," 2001, pp. ii-iii)

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