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  Does biodiversity increase spatial stability in plant community biomass?

Weigelt, A., Schumacher, J., Roscher, C., & Schmid, B. (2008). Does biodiversity increase spatial stability in plant community biomass? Ecology Letters, 11(4), 338-347. doi:10.1111/j.1461-0248.2007.01145.x.

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BGC1104.pdf (Publisher version), 259KB
 
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Weigelt, A., Author
Schumacher, J., Author
Roscher, C.1, Author           
Schmid, B., Author
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1Department Biogeochemical Processes, Prof. E.-D. Schulze, Max Planck Institute for Biogeochemistry, Max Planck Society, ou_1497751              

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Free keywords: Biodiversity experiment Environmental heterogeneity Functional diversity Rao's q Spatial variability Species richness Functional diversity Experimental grassland Statistical inevitability Ecosystem function Species richness Systems Predictability Productivity Integration Responses
 Abstract: We tested the hypothesis that biodiversity decreases the spatial variability of biomass production between subplots taken within experimental grassland plots. Our findings supported this hypothesis if functional diversity (weighted Rao's Q) was considered. Further analyses revealed that diversity in rooting depth and clonal growth form were the most important components of functional diversity stabilizing productivity. Using species or functional group richness as diversity measures there was no significant effect on spatial variability of biomass production, demonstrating the importance of the biodiversity component considered. Moreover, we found a significant increase in spatial variability of productivity with decreasing size of harvested area, suggesting small-scale heterogeneity as an important driver. The ability of diverse communities to stabilize biomass production across spatial heterogeneity may be due to complementary use of spatial niches. Nevertheless, the positive effect of functional diversity on spatial stability appears to be less pronounced than previously reported effects on temporal stability. [References: 48]

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 Dates: 2008
 Publication Status: Issued
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 Identifiers: DOI: 10.1111/j.1461-0248.2007.01145.x
Other: BGC1104
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Title: Ecology Letters
Source Genre: Journal
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Publ. Info: Oxford, UK : Blackwell Science
Pages: - Volume / Issue: 11 (4) Sequence Number: - Start / End Page: 338 - 347 Identifier: CoNE: https://pure.mpg.de/cone/journals/resource/954925625294