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<title lang=en>Litter mixture effects on tropical tree seedling growth - a greenhouse experiment</title>
<creator>Coq, S.</creator>
<creator>Weigel, J.</creator>
<creator>Bonal, Damien</creator>
<creator>Haettenschwiler, S.</creator>
<contributor>Centre d’Ecologie Fonctionnelle et Evolutive (CEFE) ; Institut de Recherche pour le Développement (IRD [France-Sud]) - Centre National de la Recherche Scientifique (CNRS) - Université de Montpellier (UM) - Institut national de la recherche agronomique [Montpellier] (INRA Montpellier) - École pratique des hautes études (EPHE) - Centre international d'études supérieures en sciences agronomiques (Montpellier SupAgro) - Université Paul-Valéry - Montpellier 3 (UM3) - Institut national d’études supérieures agronomiques de Montpellier (Montpellier SupAgro)</contributor>
<contributor>Ecologie des forêts de Guyane (ECOFOG) ; Centre de Coopération Internationale en Recherche Agronomique pour le Développement (CIRAD) - Institut National de la Recherche Agronomique (INRA) - Université des Antilles et de la Guyane (UAG) - AgroParisTech - Centre National de la Recherche Scientifique (CNRS)</contributor>
<contributor>ATIP research; CNRS (SDV)</contributor>
<source>ISSN: 1435-8603</source>
<source>EISSN: 1438-8677</source>
<source>Plant Biology</source>
<publisher>Wiley</publisher>
<identifier>hal-01032421</identifier>
<identifier>https://hal.archives-ouvertes.fr/hal-01032421</identifier>
<source>https://hal.archives-ouvertes.fr/hal-01032421</source>
<source>Plant Biology, Wiley, 2012, 14 (4), pp.630 - 640. 〈10.1111/j.1438-8677.2011.00534.x〉</source>
<identifier>DOI : 10.1111/j.1438-8677.2011.00534.x</identifier>
<relation>info:eu-repo/semantics/altIdentifier/doi/10.1111/j.1438-8677.2011.00534.x</relation>
<language>en</language>
<subject lang=en>Amazonian lowland rain forest</subject>
<subject lang=en>autotoxicity</subject>
<subject lang=en>belowground</subject>
<subject lang=en>aboveground interactions</subject>
<subject lang=en>litter decomposition</subject>
<subject lang=en>plant nutrition</subject>
<subject lang=en>plant-soil feedback</subject>
<subject lang=en>NEOTROPICAL RAIN-FOREST</subject>
<subject lang=en>LEAF-LITTER</subject>
<subject lang=en>EMPETRUM-HERMAPHRODITUM</subject>
<subject lang=en>FRENCH-GUIANA</subject>
<subject lang=en>PLANT LITTER</subject>
<subject lang=en>DECOMPOSITION DYNAMICS</subject>
<subject lang=en>SPECIES COMPOSITION</subject>
<subject lang=en>MASS-LOSS</subject>
<subject lang=en>DIVERSITY</subject>
<subject lang=en>CHEMISTRY</subject>
<subject>[SDV.SA] Life Sciences [q-bio]/Agricultural sciences</subject>
<type>info:eu-repo/semantics/article</type>
<type>Journal articles</type>
<description lang=en>Decomposing litter provides critical nutrients for plants, particularly in nutrient-poor ecosystems such as tropical forests. We hypothesised that decomposing litter improves the performance of a variety of tropical tree seedlings, and that this litter effect varies depending on the species of litter present in litter mixtures. We addressed these hypotheses with a large pot experiment manipulating a range of different litter mixtures of contrasting quality and using seedlings of four tree species from the Amazonian forest of French Guiana. In contrast to our initial hypothesis, decomposing litter had either neutral or negative impacts on seedling growth, despite strongly different growth rates, biomass allocation patterns and leaf and root traits among tree species. Tree species varied in their responses to litter additions, which were further modified by species identity of the added litter. Our data show litter species-specific effects on growth, biomass allocation and leaf and root traits of tropical tree seedlings. These results suggest that a net nutrient release from decomposing litter does not necessarily improve tree seedling growth, even under nutrient-limiting conditions. In conclusion, litter layer composition may affect seedling establishment and recruitment success beyond litter-derived plant nutrient availability, which may contribute to tree species composition and dynamics in the studied tropical forest.</description>
<date>2012</date>
</dc>
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