What is the relationship between species richness and total biomass?

What is the relationship between species richness and total biomass?
  1. Increased species richness decreases total biomass
  2. The relationship is not understood
  3. Increased species richness increases total biomass
  4. The relationship is variable and depends on the ecosystem

Solution

Tilman's experiments showed that increased diversity contributed to higher productivity.

Asked in: NCERT

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