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प्रश्न
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.
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उत्तर
- Gross Primary Productivity is 45000 + 40367 = 85367 KJm-2y-1.
- Net production is gradually reducing as we move from producers to consumers due to heat loss/respiration/10% law.
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संबंधित प्रश्न
What is primary productivity?
Distinguish between primary and secondary productivity.
What is the primary productivity of an ecosystem and how is it expressed?
Answer the following question.
Describe the inter-relationship between productivity, gross primary productivity, and net productivity.
How much of the net primary productively of a terrestrial ecosystem is eaten and digested by herbivores?
Productivity is the rate of production of biomass expressed in terms of ______.
Justify the pitcher plant as a producer.
Why are oceans least productive?
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.
