Community diversity and invasion resistance: An experimental test in a grassland ecosystem and a review of comparable studies

Community diversity and invasion resistance: An experimental test in a grassland ecosystem and a review of comparable studies

The relationship between community diversity and invasion resistance in a grassland was examined using experimental plant assemblages that varied in species richness and composition. The assemblages were weeded for three seasons to remove unsown species and we used the number of weeded seedlings, their total biomass and the number of species removed as indicators of community resistance and susceptibility to invasion.

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Plant Diversity and Productivity Experiments in European Grasslands

Plant Diversity and Productivity Experiments in European Grasslands

At eight European field sites, the impact of loss of plant diversity on primary productivity was simulated by synthesizing grassland communities with different numbers of plant species. Results differed in detail at each location, but there was an overall log-linear reduction of average aboveground biomass with loss of species.

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