Question

why eutrophication leads to depletion of oxygen ? Plz anss

Answer 1

One of the negative impacts of eutrophication and increased algal growth is a loss of available oxygen, known as anoxia. ... Moreover, when the large blooms of algae begin to die, bacterial decomposers further deplete the levels of oxygen.

Answer 2

Eutrophication increases BOD(Biochemical Oxygen Demand)

So more oygen is used due to eutrophication so depletion of oxygen takes

place

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