What is eutrophication
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1)Eutrophication means natural enrichment . when inorganic plant nutrients such as nitrate, phosphate etc enter the water bodies they cause Eutrophication .
2)These nutrients and Chemicals are discharged ,either naturally or through human activities .
3)This promotes excessive growth of phytoplankton and algae .This is called algal bloom .
4)Due to death and decomposition of algae there is depletion of oxygen in water .
5)Algal Bloom further blocks penetration of oxygen, light and heat into the water body .
6)This causes death of aquatic animals causing more decomposition and more Eutrophication in turn.
2)These nutrients and Chemicals are discharged ,either naturally or through human activities .
3)This promotes excessive growth of phytoplankton and algae .This is called algal bloom .
4)Due to death and decomposition of algae there is depletion of oxygen in water .
5)Algal Bloom further blocks penetration of oxygen, light and heat into the water body .
6)This causes death of aquatic animals causing more decomposition and more Eutrophication in turn.
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Eutrophication
- Eutrophication is the process from which a body of water, or portions of it, becomes increasingly mineralized and nutrient-rich. "Nutrient-induced rise in phytoplankton productivity" has been considered as a concept.
- Many freshwaters as well as coastal marine habitats across the world are being harmed by eutrophication.
- Insufficient phosphorus seems to be almost invariably the cause of eutrophication in lakes and rivers.
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