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प्रश्न
Why does primary productivity vary in different types of ecosystems?
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उत्तर
It depends upon the type of plant species associated with an ecosystem, photosynthetic capacity of these plants and nutrient availability. This is the reason why it varies in different types of ecosystems.
संबंधित प्रश्न
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?
Which one of the following ecosystem is most productive in term of net primary production?
How much of the net primary productively of a terrestrial ecosystem is eaten and digested by herbivores?
In the equation GPP − R = NPP R represents ______
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.
