what research question did david tilman and colleagues address when they planted varying numbers of species from different functional groups of grassland plants in experimental plots?

Respuesta :

It would allow a adequate comparison for erosion. Calculated soil depth through time on the a range of experimental plots with varied levels of species richness.

What did David Tilman demonstrate the relationship between species richness and community stability?

He discovered plots in his experiment with much more species but less change in biomass production from prior years.He also came to the conclusion that greater diversity boosted production.Thus, David Tilman demonstrates that "the species richness of a community determines its stability."

What impact does species diversity have on productivity?

If different species consume different resources, increasing the initial number of species in a system can lead to complementarity in resource usage.An assemblage of species' production will be higher in this situation than that of the productivity of the any one species.

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