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Question
According to David Tilman, greater the diversity, greater is the primary productivity. Can you think of a very low diversity man-made ecosystem that has high productivity?
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Solution
Agricultural fields like wheat field/paddy field are also examples of monoculture practices.
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How is biodiversity important for ecosystem functioning?
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Match List I with List II-
| List-I | List-II |
| A. Robert May | I. Species-Area relationship |
| B. Alexander von Humboldt | II. Long term ecosystem experiment using outdoor plots |
| C. Paul Ehrlich | III. Global species diversity at about 7 million |
| D. David Tilman | IV. Rivet popper hypothesis |
Choose the correct answer from the options given below:
Identify the INCORRECT statement.
Among ‘The Evil Quartet’, which one is considered the most important cause driving extinction of species?
Which characteristic of an ecosystem is ensured by high species diversity, resulting in consistent year-to-year biomass productivity?
According to David Tilman's long-term outdoor plot experiments, what significant observation was made about species-rich communities regarding total biomass variation?
How do diverse ecosystems respond to natural or man-made disturbances?
In Paul Ehrlich's Rivet Popper Hypothesis, what does an ecosystem represent?
According to the Rivet Popper Hypothesis, what do individual species represent in the ecosystem?
What does Tilman's research directly link to higher overall ecosystem productivity?
Beyond ecosystem health, what broader imperative does preserving rich biodiversity serve?
