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प्रश्न
How are productivity, gross productivity, net primary productivity and secondary productivity interrelated ?
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उत्तर
Productivity is the rate of production of biomass at any trophic level at any given interval of time.
Gross productivity: It is the rate of production of organic matter by green plants per unit time per unit area. In other words, it is the total amount of productivity.
Net primary productivity: It is the difference between gross primary productivity and the loss due to respiration.
Secondary Productivity : It is rate of production or formation of new organic matter by consumers especially the consumers of the first order or herbivores.
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संबंधित प्रश्न
What is primary productivity?
Write the equation that helps in deriving the net primary productivity of an ecosystem.
Why does primary productivity vary in different types of ecosystems?
What is the primary productivity of an ecosystem and how is it expressed?
Explain what does the equation given below show :
NPP = GPP – R
Secondary productivity is rote of formation of new organic matter by ______.
How much of the net primary productively of a terrestrial ecosystem is eaten and digested by herbivores?
Which of the following ecosystems is most productive in terms of net primary production?
Why are oceans least productive?
Which of the following ecosystems will be more productive in terms of primary productivity? Justify your answer. A young forest, a natural old forest, a shallow polluted lake, alpine meadow.
