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प्रश्न
Productivity is the rate of production of biomass expressed in terms of ______.
विकल्प
(kcal m–3) yr–1
g–2 yr–1
g–1 yr–1
(kcal m–2) yr–1
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उत्तर
Productivity is the rate of production of biomass expressed in terms of g–1 yr–1.
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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 ?
What is primary productivity?
Why does primary productivity vary in different types of ecosystems?
State the relation between gross and net primary productivity.
Explain what does the equation given below show:
NPP = GPP – R
Write the relationship between productivity, gross primary productivity, net primary productivity, and secondary productivity.
Secondary productivity is rote of formation of new organic matter by ______.
Which one of the following ecosystem has the highest annual net productivity?
In the equation GPP − R = NPP R represents ______
Justify the pitcher plant as a producer.
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.
The primary productivity in an ecosystem is expressed as ______.
- gm-2 yr-1
- gm-2 yr
- Kcal m-2 yr-1
- Kcal m-2
Use the information provided in the table given below to answer the following questions:
| Tropic level | Net Production(KJm-2y-1) | Respiration (KJm-2y-1) |
| Top Carnivore | 50 | 35 |
| Carnivores | 420 | 378 |
| Herbivores | 4490 | 4041 |
| Producers | 45000 | 40,367 |
- Calculate the gross primary productivity.
- Analyze the trend in the Net Production from Producers to Top Carnivore. Give a reason for your observation.
Which of the following is the unit of productivity of an Ecosystem?
In an ecosystem if the Net Primary Productivity (NPP) of first trophic level is 100x(kcal m−2) yr−1, what would be the GPP (Gross Primary Productivity) of the third trophic level of the same ecosystem?
