2004
DOI: 10.1126/science.1101865
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Biodiversity Effects on Soil Processes Explained by Interspecific Functional Dissimilarity

Abstract: The loss of biodiversity can have significant impacts on ecosystem functioning, but the mechanisms involved lack empirical confirmation. Using soil microcosms, we show experimentally that functional dissimilarity among detritivorous species, not species number, drives community compositional effects on leaf litter mass loss and soil respiration, two key soil ecosystem processes. These experiments confirm theoretical predictions that biodiversity effects on ecosystem functioning can be predicted by the degree o… Show more

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Cited by 513 publications
(487 citation statements)
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“…Ecosystem processes and properties are mainly determined by the mean effect trait value of the species present in the community, weighted by their relative abundance (the so-called community-weighted mean trait value -CWM; Garnier et al (2004)). Alternatively, functional diversity (the degree of dissimilarity in trait values between coexisting species -see Villéger et al (2008)) promotes non-additive effects on ecosystem processes, that is, effects not predictable from singlespecies results due to antagonistic or synergistic interactions among species (Heemsbergen et al 2004). The prevalence of each of these two aspects on ecosystem functioning is likely to depend on the ecosystem process of interest (Mouillot et al 2011;Dias et al 2013a).…”
Section: Evaluating Possible Consequences For Ecosystem Functioningmentioning
confidence: 99%
“…Ecosystem processes and properties are mainly determined by the mean effect trait value of the species present in the community, weighted by their relative abundance (the so-called community-weighted mean trait value -CWM; Garnier et al (2004)). Alternatively, functional diversity (the degree of dissimilarity in trait values between coexisting species -see Villéger et al (2008)) promotes non-additive effects on ecosystem processes, that is, effects not predictable from singlespecies results due to antagonistic or synergistic interactions among species (Heemsbergen et al 2004). The prevalence of each of these two aspects on ecosystem functioning is likely to depend on the ecosystem process of interest (Mouillot et al 2011;Dias et al 2013a).…”
Section: Evaluating Possible Consequences For Ecosystem Functioningmentioning
confidence: 99%
“…Infilling of spruce and/or shrubs will change ecosystem nutrient status, snowfall retention, and hydrology (Sturm et al, 2001). Such shifts will likely alter both above-and below-ground biodiversity (Kennedy et al, 2002;Porazinska et al, 2003;Heemsbergen et al, 2004). In addition, the expansion of white spruce into tundra will alter fire frequency and distribution so fire suppression may become an important policy issue in natural resource planning (Flannigan and Van Wagner, 1991).…”
Section: Treeline Advance Into Arctic Tundramentioning
confidence: 99%
“…Without loss of generality, the example can be extended to other environmental factors and to multiple species Evol Ecol (2010) 24:617-629 619 possible to make a statement about the plasticity of one species compared to the other, unless particular traits and conditions are specified. The relevance of considering plasticity of functional traits in community ecology has become more urgent since an increasing number of studies turn to trait databases to explain community patterns, both in plant and animal ecology (Heemsbergen et al 2004;Ozinga et al 2007). Trait databases, such as the Globnet leaf economics database (Wright et al 2004) or the LEDA trait database for the Northwest European flora (Kleyer et al 2008), are used extensively to analyse vegetation compositional responses to changing environments.…”
Section: The Relevance Of Considering Plasticity In Functional Traitsmentioning
confidence: 99%