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Therefore, human causes of eutrophication include the use of agricultural fertilizers. Other causes include sewage and aquaculture, which is the growing or farming of fish, shellfish and aquatic plants. Wastewater from certain industries and burning fossil fuels can also contribute to eutrophication.
Organic fertilizers. Eutrophication is the enrichment of surface waters with plant nutrients. While eutrophication occurs naturally, it is normally associated with anthropogenic sources of nutrients. The trophic status of lakes is the central concept in lake management.It describes the relationship between nutrient status of a lake and the growth of organic matter in the lake.utrophication is the enrichment of surface waters with plant nutrients. While eutrophication occurs naturally, it is normally associated with anthropogenic sources of nutrients.