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Intraspecific variability in leaf traits strongly affects alder leaf decomposition in a stream

Lecerf, Antoine and Chauvet, Eric Intraspecific variability in leaf traits strongly affects alder leaf decomposition in a stream. (2008) Basic and Applied Ecology, 9 (5). 598-605. ISSN 1439-1791

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Official URL: http://dx.doi.org/10.1016/j.baae.2007.11.003

Abstract

This study assessed the intraspecific variability of senescent leaves of alder (Alnus glutinosa Gaertn.) and the effects of this variability on leaf decomposition in streams. Leaves were collected at five geographically distant locations in Europe. We analyzed 10 batches of leaf samples for seven quantitative leaf traits as well as leaf decomposition rate in coarse and fine mesh bags exposed in a single stream. The geographic origin of leaf samples largely explained the observed variation in litter quality and decomposition rate. Phosphorus (0.034–0.187%) and lignin (3.9–18.7%) concentrations in leaves varied widely. Together, these two traits accurately predicted leaf decomposition rate (r2 = 84.1%). Intraspecific variation in leaf decomposition rate was within a range similar to that reported for interspecific variation among co- occurring riparian plant species in Europe. Our study demonstrates extensive intraspecific variability in leaf traits on a continental scale, which can have enormous effects on major ecosystem processes such as leaf decomposition.

Item Type:Article
Additional Information:Thanks to Elsevier editor. The definitive version is available at http://www.sciencedirect.com The original PDF of the article can be found at Basic and Applied Ecology website : http://www.sciencedirect.com/science/article/pii/S1439179107001302
HAL Id:hal-01312780
Audience (journal):International peer-reviewed journal
Uncontrolled Keywords:
Institution:French research institutions > Centre National de la Recherche Scientifique - CNRS (FRANCE)
Université de Toulouse > Institut National Polytechnique de Toulouse - INPT (FRANCE)
Université de Toulouse > Université Toulouse III - Paul Sabatier - UPS (FRANCE)
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Deposited By: Eric Chauvet
Deposited On:27 Apr 2016 07:05

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