Plant community impact on productivity: trait diversity or key(stone) species effects?

Philipp Brun, Cyrille Violle, David Mouillot, Nicolas Mouquet, Brian Enquist, François Munoz, Tamara Munkemuller, Annette Ostling, Niklaus Zimmermann & Wilfried Thuiller
Outside controlled experimental plots, the impact of community attributes on primary productivity has rarely been compared to that of individual species. Here, we identified plant species of high importance for productivity (key species) in >29,000 diverse grassland communities in the European Alps, and compared their effects with those of community-level measures of functional composition (weighted means, variances, skewness, and kurtosis). After accounting for the environment, the five most important key species jointly explained more deviance...
1 citation reported since publication in 2022.
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