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प्रश्न
Productivity is the rate of production of biomass expressed in terms of ______.
पर्याय
(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
How are productivity, gross productivity, net primary productivity and secondary productivity interrelated ?
Distinguish between primary and secondary productivity.
What is primary productivity?
Why does primary productivity vary in different types of ecosystems?
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 ______.
The biomes energy available for consumption by herbivores is called ______.
Which one of the following ecosystem is most productive in term of net primary production?
In the equation GPP − R = NPP R represents ______
Which of the following ecosystems is most productive in terms of net primary production?
Justify the pitcher plant as a producer.
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”.
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?
Primary productivity in an ecosystem refers to the rate of generation of ______.
