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… None 0 to 200 200 to 400 400 to 700 700 to 1 200 Eutrophication equivalents (N) per hectare and year Variation … erosion (causing siltation) and nutrient runoff (causing eutrophication), all of which exert their impacts on inland … of nutrients (mainly phosphorus and nitrogen) resulting in eutrophication, and significantly affecting human water use. …

… substances into the aquatic environment and to abate eutrophication and acidification, as well as * 31 ILM 1312 …

… downstream of agricultural areas, experienced extensive eutrophication and 50% silting by 1990. In 1993, the …