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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?
Distinguish between primary and secondary productivity.
State the relation between gross and net primary productivity.
Write the relationship between productivity, gross primary productivity, net primary productivity, and secondary productivity.
If A = Gross primary productivity, B = Net primary productivity and C = Respiration losses, then what will be the correct relation between them?
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.
What is the rate at which biomass is synthesised by a trophic level per unit area per unit time called?
Which type of productivity involves the transfer and assimilation of organic matter across consumer trophic levels?
Which of the following is a limiting factor for productivity in terrestrial ecosystems?
Which human activity indirectly reduces ecosystem productivity?
