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प्रश्न
What is the primary productivity of an ecosystem and how is it expressed?
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उत्तर
Primary production is defined as the amount of biomass or organic matter produced per unit area over a time period by plants during photosynthesis. It is expressed in terms of weight (g–2) or energy (kcal m–2)
संबंधित प्रश्न
Write the equation that helps in deriving the net primary productivity of an ecosystem.
How are productivity, gross productivity, net primary productivity and secondary productivity interrelated ?
Explain what does the equation given below show:
NPP = GPP – R
Primary productivity varies from ecosystem to ecosystem. Explain?
Justify the following statement in terms of ecosystem dynamics. “Nature tends to increase the gross primary productivity, while man tends to increase the net primary productivity”.
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.
Which of the following is the unit of productivity of an Ecosystem?
Primary productivity in an ecosystem refers to the rate of generation of ______.
In which standard units is productivity measured in terms of mass?
Which of the following is a limiting factor for productivity in terrestrial ecosystems?
