How does species richness affect year:to:year variation in total biomass according to Tilman's long:term…

How does species richness affect year:to:year variation in total biomass according to Tilman's long:term ecosystem experiments?
  1. Plots with more species showed more year:to:year variation in total biomass
  2. Plots with more species showed less year:to:year variation in total biomass
  3. There was no relationship between species richness and year:to:year variation in total biomass
  4. The relationship between species richness and year:to:year variation in total biomass was not determined

Solution

Tilman found that plots with more species showed less year:to:year variation in total biomass.

Asked in: NCERT

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