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Plant species traits are the predominant control on litter decomposition rates within biomes worldwide
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2008 (English)In: Ecology Letters, ISSN 1461-023X, E-ISSN 1461-0248, Vol. 11, no 10, 1065-1071 p.Article in journal (Refereed) Published
Abstract [en]

Worldwide decomposition rates depend both on climate and the legacy of plant functional traits as litter quality. To quantify the degree to which functional differentiation among species affects their litter decomposition rates, we brought together leaf trait and litter mass loss data for 818 species from 66 decomposition experiments on six continents. We show that: (i) the magnitude of species-driven differences is much larger than previously thought and greater than climate-driven variation; (ii) the decomposability of a species' litter is consistently correlated with that species' ecological strategy within different ecosystems globally, representing a new connection between whole plant carbon strategy and biogeochemical cycling. This connection between plant strategies and decomposability is crucial for both understanding vegetation-soil feedbacks, and for improving forecasts of the global carbon cycle.

Place, publisher, year, edition, pages
2008. Vol. 11, no 10, 1065-1071 p.
Keyword [en]
carbon cycling, decomposition, leaf economic spectrum, leaf traits, meta-analysis
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URN: urn:nbn:se:su:diva-58526DOI: 10.1111/j.1461-0248.2008.01219.xISI: 000259147800010OAI: diva2:420671
authorCount :30Available from: 2011-06-03 Created: 2011-06-03 Last updated: 2011-06-03Bibliographically approved

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Department of Botany
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Ecology Letters

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