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प्रश्न
What is primary productivity?
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उत्तर
The amount of biomass produced per unit area in a certain time period by plants through photosynthesis is defined as primary productivity.
संबंधित प्रश्न
State the relation between gross and net primary productivity.
Explain what does the equation given below show:
NPP = GPP – R
Secondary productivity is rote of formation of new organic matter by ______.
Which one of the following ecosystem has the highest annual net productivity?
If A = Gross primary productivity, B = Net primary productivity and C = Respiration losses, then what will be the correct relation between them?
Why is the rate of assimilation of energy at the herbivore level called secondary productivity?
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.
The primary productivity in an ecosystem is expressed as ______.
- gm-2 yr-1
- gm-2 yr
- Kcal m-2 yr-1
- Kcal m-2
Which of the following is the unit of productivity of an Ecosystem?
