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Principles of Ecology. — BIO BOTANY STD 12 — Question

Tamilnadu BoardEnglish MediumSTD 12BIO BOTANYPrinciples of Ecology.3 Marks
Question
What is thermal stratification? Explain its types.
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Answer

Thermal stratification is usually found in aquatic habitat. The change in the temperature profile with increasing depth in a water body is called thermal stratification. There are three kinds of thermal stratifications.
  1. Epilimnion – The upper layer of warmer water.
  2. Metalimnion – The middle layer with a zone of gradual decrease in temperature.
  3. Hypolimnion – The bottom layer of colder water.

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