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<datestamp>2018-01-11</datestamp>
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<publisher>HAL CCSD</publisher>
<title lang=en>Scaling leaf respiration with nitrogen and phosphorus in tropical forests across two continents</title>
<creator>Rowland, Lucy</creator>
<creator>Zaragoza-Castells, Joana</creator>
<creator>Bloomfield, Keith J.</creator>
<creator>Turnbull, Matthew H.</creator>
<creator>Bonal, Damien</creator>
<creator>Burban, Benoit</creator>
<creator>Salinas, Norma</creator>
<creator>Cosio, Eric</creator>
<creator>Metcalfe, Daniel J.</creator>
<creator>Ford, Andrew</creator>
<creator>Phillips, Oliver L.</creator>
<creator>Atkin, Owen K.</creator>
<creator>Meir, Patrick</creator>
<contributor>Department of Geography, University of Exeter, Rennes Drive, Exeter, United Kingdom</contributor>
<contributor>School of Geosciences [Edinburgh] ; University of Edinburgh</contributor>
<contributor>Australian National University (ANU)</contributor>
<contributor>School of Biological Sciences, University of Canterbury</contributor>
<contributor>Ecologie et Ecophysiologie Forestières (EEF) ; Institut National de la Recherche Agronomique (INRA) - Université de Lorraine (UL)</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 - Université de Guyane (UG) - Centre National de la Recherche Scientifique (CNRS)</contributor>
<contributor>School of Geography and the Environment [Oxford] ; University of Oxford [Oxford]</contributor>
<contributor>Pontificia Universidad Católica del Perú (PUCP)</contributor>
<contributor>Commonwealth Scientific & Industrial Research Organisation (CSIRO)</contributor>
<contributor>School of Geography [Leeds] ; University of Leeds</contributor>
<description>International audience</description>
<source>ISSN: 0028-646X</source>
<source>EISSN: 1469-8137</source>
<source>New Phytologist</source>
<publisher>Wiley</publisher>
<identifier>hal-01559483</identifier>
<identifier>https://hal.univ-lorraine.fr/hal-01559483</identifier>
<source>https://hal.univ-lorraine.fr/hal-01559483</source>
<source>New Phytologist, Wiley, 2017, 214 (3), pp.1064 - 1077. 〈10.1111/nph.13992〉</source>
<identifier>DOI : 10.1111/nph.13992</identifier>
<relation>info:eu-repo/semantics/altIdentifier/doi/10.1111/nph.13992</relation>
<language>en</language>
<subject>[SDV] Life Sciences [q-bio]</subject>
<type>info:eu-repo/semantics/article</type>
<type>Journal articles</type>
<description lang=en>Leaf dark respiration (R-dark) represents an important component controlling the carbon balance in tropical forests. Here, we test how nitrogen (N) and phosphorus (P) affect R-dark and its relationship with photosynthesis using three widely separated tropical forests which differ in soil fertility.R-dark was measured on 431 rainforest canopy trees, from 182 species, in French Guiana, Peru and Australia. The variation in R-dark was examined in relation to leaf N and P content, leaf structure and maximum photosynthetic rates at ambient and saturating atmospheric CO2 concentration.We found that the site with the lowest fertility (French Guiana) exhibited greater rates of R-dark per unit leaf N, P and photosynthesis. The data from Australia, for which there were no phylogenetic overlaps with the samples from the South American sites, yielded the most distinct relationships of R-dark with the measured leaf traits.Our data indicate that no single universal scaling relationship accounts for variation in R-dark across this large biogeographical space. Variability between sites in the absolute rates of R-dark and the R-dark : photosynthesis ratio were driven by variations in N- and P-use efficiency, which were related to both taxonomic and environmental variability.</description>
<date>2017</date>
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