Snow cover of ice on water body can effectively cut off light plunging the waters into darknes...........

Environment and Ecology Concept of Ecology

Snow cover of ice on water body can effectively cut off light, plunging the waters into darkness. The photosynthesis stops but respiration continues leading to depletion of oxygen and subsequent killing of fishes.” This conditions is better known as?

winterkill

Eutrophication

Winterkill

Hypoxia

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Explanation:

Eutrophication or hypertrophication, is the depletion of oxygen in a water body, which kills aquatic animals. It is a response to the addition of excess nutrients, mainly phosphates, which induces explosive growth of plants and algae,
Hypoxia is a condition in which the body or a region of the body is deprived of adequate oxygen supply at the tissue level.
Asphyxia or asphyxiation is a condition of severely deficient supply of oxygen to the body that arises from abnormal breathing