Question

Write critical notes on Eutrophication.

Answer 1

Here is ur answer....

=> Eutrophication is characterised by a significant increase of algae (microscopic organisms similar to plants) due to the greater availability of one or more growth factors necessary for photosynthesis, such as sunlight, carbon dioxide and nutrients (nitrogen and phosphorus).

=> Eutrophication is the process of depletion of oxygen from water bodies happening either naturally or because of human actions. It happens because of the introduction of nutrients and chemicals through the discharge of domestic sewage, industrial effluents and fertilisers.

=> These fertilizers overstimulate the growth of algae, causing eutrophication, and robbing the water of dissolved oxygen vital to other aquatic life. ... The phenomenon of a sudden increase in the organic and inorganic nutrient .

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Answer 2

Answer:

Eutrophication –

It is referred to the natural ageing process of a lake as a result of nutrient enrichment caused by the overflow of nutrients such as fertilizers, animal wastes and sewage from land leading to an increased fertility of the lake. Consequently, there is a huge increase in the primary productivity of the ecosystem bringing about an increased growth of algae, hence in algal blooms. After sometime, the decomposition of these algae reduces oxygen supply, resulting in the death of aquatic animal life.