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प्रश्न
Why are oceans least productive?
उत्तर
Oceans are the least productive because
- There is insufficient radiation as sunlight decreases with the increasing depth of the ocean.
- Oceans are nitrogen deficient which is an important nutrient for plants.
- Conditions oi high salinity which is not favourable for all plants.
- There is no substratum to support plants.
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संबंधित प्रश्न
How are productivity, gross productivity, net primary productivity and secondary productivity interrelated ?
What is primary productivity?
State the relation between gross and net primary productivity.
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 ______.
Which one of the following ecosystem is most productive in term of net primary production?
If A = Gross primary productivity, B = Net primary productivity and C = Respiration losses, then what will be the correct relation between them?
Primary productivity varies from ecosystem to ecosystem. Explain?
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.
