Effects of plant diversity, community composition and environmental parameters on productivity in montane European grasslands

Oecologia
Ansgar KahmenNina Buchmann

Abstract

In the past years, a number of studies have used experimental plant communities to test if biodiversity influences ecosystem functioning such as productivity. It has been argued, however, that the results achieved in experimental studies may have little predictive value for species loss in natural ecosystems. Studies in natural ecosystems have been equivocal, mainly because in natural ecosystems differences in diversity are often confounded with differences in land use history or abiotic parameters. In this study, we investigated the effect of plant diversity on ecosystem functioning in semi-natural grasslands. In an area of 10x20 km, we selected 78 sites and tested the effects of various measures of diversity and plant community composition on productivity. We separated the effects of plant diversity on ecosystem functioning from potentially confounding effects of community composition, management or environmental parameters, using multivariate statistical analyses. In the investigated grasslands, simple measures of biodiversity were insignificant predictors of productivity. However, plant community composition explained productivity very well (R2=0.31) and was a better predictor than environmental variables (soil and site cha...Continue Reading

Citations

Sep 28, 2006·Proceedings. Biological Sciences·Simon M SmartLeslie G Firbank
Jan 8, 2014·Oecologia·Christoph ScherberTeja Tscharntke
Jun 30, 2010·Ecology·Claudia SteinWolfgang W Weisser
Nov 29, 2007·The New Phytologist·Christian KörnerSusanna Pelaez-Riedl
Jun 28, 2007·Ecology Letters·James B GraceMichael R Willig
Feb 7, 2019·Biological Reviews of the Cambridge Philosophical Society·Fons van der Plas
Sep 24, 2019·Frontiers in Plant Science·Angelika KübertMaren Dubbert
Apr 20, 2020·Environmental Science and Pollution Research International·Chunyan GuoNing Lu

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