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<identifier>oai:HAL:hal-01032430v1</identifier>
<datestamp>2018-01-11</datestamp>
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<setSpec>collection:CIRAD</setSpec>
<setSpec>collection:AGROPARISTECH</setSpec>
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<metadata><dc>
<publisher>HAL CCSD</publisher>
<title lang=en>Highly local environmental variability promotes intrapopulation divergence of quantitative traits: an example from tropical rain forest trees</title>
<creator>Brousseau, Louise</creator>
<creator>Bonal, Damien</creator>
<creator>Cigna, Jérémy</creator>
<creator>Scotti, Ivan</creator>
<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 - Centre National de la Recherche Scientifique (CNRS)</contributor>
<contributor>INRA; French MEDD ministry 'Ecofor - Ecosystemes forestiers' programme; EU; Agence Nationale de la Recherche (CEBA) [ANR-10-LABX-0025]</contributor>
<source>ISSN: 0305-7364</source>
<source>EISSN: 1095-8290</source>
<source>Annals of Botany</source>
<publisher>Oxford University Press (OUP)</publisher>
<identifier>hal-01032430</identifier>
<identifier>https://hal.archives-ouvertes.fr/hal-01032430</identifier>
<source>https://hal.archives-ouvertes.fr/hal-01032430</source>
<source>Annals of Botany, Oxford University Press (OUP), 2013, 112 (6), pp.1169 - 1179. 〈10.1093/aob/mct176〉</source>
<identifier>DOI : 10.1093/aob/mct176</identifier>
<relation>info:eu-repo/semantics/altIdentifier/doi/10.1093/aob/mct176</relation>
<language>en</language>
<subject lang=en>Eperua falcata</subject>
<subject lang=en>E. grandiflora</subject>
<subject lang=en>habitat mosaics</subject>
<subject lang=en>intrapopulation divergence</subject>
<subject lang=en>maternal family inheritance</subject>
<subject lang=en>common garden experiment</subject>
<subject lang=en>ecological traits</subject>
<subject lang=en>AMAZONIAN FOREST</subject>
<subject lang=en>TOPOGRAPHIC GRADIENT</subject>
<subject lang=en>ALTITUDINAL GRADIENT</subject>
<subject lang=en>HABITAT ASSOCIATIONS</subject>
<subject lang=en>SPECIES DISTRIBUTION</subject>
<subject lang=en>EUCALYPTUS-GLOBULUS</subject>
<subject lang=en>FUNCTIONAL TRAITS</subject>
<subject lang=en>GENETIC DIVERSITY</subject>
<subject lang=en>HEIGHT GROWTH</subject>
<subject lang=en>ALPINE PLANT</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>In habitat mosaics, plant populations face environmental heterogeneity over short geographical distances. Such steep environmental gradients can induce ecological divergence. Lowland rainforests of the Guiana Shield are characterized by sharp, short-distance environmental variations related to topography and soil characteristics (from waterlogged bottomlands on hydromorphic soils to well-drained terra firme on ferralitic soils). Continuous plant populations distributed along such gradients are an interesting system to study intrapopulation divergence at highly local scales. This study tested (1) whether conspecific populations growing in different habitats diverge at functional traits, and (2) whether they diverge in the same way as congeneric species having different habitat preferences. Phenotypic differentiation was studied within continuous populations occupying different habitats for two congeneric, sympatric, and ecologically divergent tree species (Eperua falcata and E. grandiflora, Fabaceae). Over 3000 seeds collected from three habitats were germinated and grown in a common garden experiment, and 23 morphological, biomass, resource allocation and physiological traits were measured. In both species, seedling populations native of different habitats displayed phenotypic divergence for several traits (including seedling growth, biomass allocation, leaf chemistry, photosynthesis and carbon isotope composition). This may occur through heritable genetic variation or other maternally inherited effects. For a sub-set of traits, the intraspecific divergence associated with environmental variation coincided with interspecific divergence. The results indicate that mother trees from different habitats transmit divergent trait values to their progeny, and suggest that local environmental variation selects for different trait optima even at a very local spatial scale. Traits for which differentiation within species follows the same pattern as differentiation between species indicate that the same ecological processes underlie intra- and interspecific variation.</description>
<date>2013</date>
</dc>
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