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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
What is primary productivity?
How are productivity, gross productivity, net primary productivity and secondary productivity interrelated ?
Distinguish between primary and secondary 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
Answer the following question.
Describe the inter-relationship between productivity, gross primary productivity, and net productivity.
Write the relationship between productivity, gross primary productivity, net primary productivity, and secondary productivity.
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?
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”.
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.
Primary productivity in an ecosystem refers to the rate of generation of ______.
