Biodiversity
Match the column I (Ecologist) with column II (Concept) and choose the correct option.
| Column-I (Ecologist) | Column-II (Concept) | ||
| (a) | R. May | i. | Effect of species richness on productivity |
| (b) | A.V. Humboldt | ii. | Effect of area exploration on species |
| (c) | D. Tilman | iii. | Global species estimation |
| (d) | P. Ehrlich | iv. | Effect of the decline of species |
| a | b | c | d | |
| 1. | i | ii | iii | iv |
| 2. | ii | i | iv | iii |
| 3. | i | ii | iv | iii |
| 4. | iii | ii | i | iv |
Robert May told that the global species diversity of earth is about 7 million.
A. V. Humboldt observed that within a region, species richness increased with increasing explored area but only up to a limit.
David Tilman concluded that plots with more species show less year to year variation in total biomass and increased diversity contributed to higher productivity.
Paul Ehrlich explained effect of species extinction by Rivet Popper Hypothesis.
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Similar Questions
Match column-I with column-II and select the correct option from the codes given below.
| Column-I | Column-II | ||
| (a) | River Popper hypothesis | (i) | Alexander von Humboldt |
| (b) | Long-term ecosystem experiments | (ii) | David Tilman using outdoor plots |
| (c) | Species-area relationships | (iii) | Paul Ehrlich |
| a | b | c | |
| 1. | iii | i | ii |
| 2. | iii | ii | i |
| 3. | i | iii | ii |
| 4. | ii | iii | i |
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