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<datestamp>2018-01-11</datestamp>
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<publisher>HAL CCSD</publisher>
<title lang=en>Effect of rainfall seasonality on the growth of Cecropia sciadophylla: intra-annual variation in leaf production and node length</title>
<creator>Zalamea, Paul-Camilo</creator>
<creator>Sarmiento, Carolina</creator>
<creator>Stevenson, Pablo R.</creator>
<creator>Rodriguez, Manuel</creator>
<creator>Nicolini, Eric</creator>
<creator>Heuret, Patrick</creator>
<contributor>Botanique et Modélisation de l'Architecture des Plantes et des Végétations (UMR AMAP) ; Centre de Coopération Internationale en Recherche Agronomique pour le Développement (CIRAD) - Institut national de la recherche agronomique [Montpellier] (INRA Montpellier) - Université de Montpellier (UM) - Centre National de la Recherche Scientifique (CNRS) - Institut de Recherche pour le Développement (IRD [France-Sud])</contributor>
<contributor>Dept Ciencias Biol ; Universidad de Los Andes</contributor>
<contributor>Dept Ciencias Biol, Bogota ; Universidad de Los Andes</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>Ecos-Nord; Colciencias; Paris 13 University [C08A01]; IRD (Institut de Recherche pour le Developpement, France)</contributor>
<source>ISSN: 0266-4674</source>
<source>EISSN: 1469-7831</source>
<source>Journal of Tropical Ecology</source>
<publisher>Cambridge University Press (CUP)</publisher>
<identifier>hal-01032402</identifier>
<identifier>https://hal.archives-ouvertes.fr/hal-01032402</identifier>
<source>https://hal.archives-ouvertes.fr/hal-01032402</source>
<source>Journal of Tropical Ecology, Cambridge University Press (CUP), 2013, 29, pp.361 - 365. 〈10.1017/S0266467413000394〉</source>
<identifier>DOI : 10.1017/S0266467413000394</identifier>
<relation>info:eu-repo/semantics/altIdentifier/doi/10.1017/S0266467413000394</relation>
<language>en</language>
<subject lang=en>leaf phenology</subject>
<subject lang=en>Neotropics</subject>
<subject lang=en>pioneer plants</subject>
<subject lang=en>plant growth</subject>
<subject lang=en>plant morphology</subject>
<subject lang=en>rainfall seasonality</subject>
<subject lang=en>Urticaceae</subject>
<subject lang=en>PHENOLOGY</subject>
<subject lang=en>TREE</subject>
<subject lang=en>FOREST</subject>
<subject lang=en>PATTERNS</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>Patterns of leaf production and leaf fall directly influence leaf area index and forest productivity. Here, we focused on Cecropia sciadophylla individuals inhabiting the extremes of the gradient in seasonality in rainfall at which C. sciadophylla occurs. In Colombia and French Guiana we compared the intra-annual variation in leaf production as well as the intra-annual fluctuation in internode length on a total of 69 saplings ranging in size from 1 to 2 m. The mean rate of leaf production was similar to 2 leaves mo(-1) in both populations, and the rate of leaf production was constant throughout the year. Our results showed monthly variation in internode length and the number of live leaves per sapling in the seasonal habitat and variation only in internode length in the everwet habitat. Because the rate of leaf production is constant at both localities, the difference in number of live leaves per sapling at the seasonal site must reflect seasonal variation in leaf life span. We show that in Cecropia, internode length can serve as an indicator of precipitation seasonality. Finally an open question is whether leaf production in other pioneer species is also independent of climatic seasonal cues. This information could allow us to link growth and climate of secondary forest species and better understand how past and future climate can affect plant growth trajectories.</description>
<date>2013</date>
</dc>
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