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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.
Effects of eutrophication: 1  The algae covers the surface, it prevents the penetration of sunlight into the wter bodies. 2  The growth of aquatic animals inside the water body is affected. 3  The fishes are not able to get good oxygen hence they die. 4  Usually it takes a very long time for the water body to regenerate its initial state. 5  The movement of ...