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Role of Temperature on Aquatic Productivity

Posted on : 25 Jan 2020

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  • The water temperature changes less rapidly than the temperature of air because water has a considerably higher specific heat than air, i.e. larger amounts of heat energy must be added to or taken away from water to raise or lower its temperature.
  • Since water temperatures are less subject to change, the aquatic organisms have a narrow temperature tolerance limit.
  • As a result, even small changes in water temperature are a great threat to the survival of aquatic organisms when compared to the changes in air temperatures in the terrestrial organisms.
  • The classification of organisms and limiting factors discussed here apply in general to all aquatic ecosystems - lakes, Ponds, Rivers, Streams, Estuaries, oceans and seas.

Article Related Questions

  1. Which of the following statements is/are incorrect?
    1.Water changes its temperature very rapidly due to a high extent of sunlight penetration into a sea.
    2.The aquatic organisms can easily tolerate the temperature fluctuations.
    Select the correct answer using the code given below:

  2. 1.1 only

    2.2 only

    3.Both 1 and 2

    4.Neither 1 nor 2

    Right Ans : Both 1 and 2

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