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<datestamp>2013-12-02</datestamp>
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<title lang=en>Ants mediate the structure of phytotelm communities in an ant-garden bromeliad</title>
<creator>Céréghino, Régis</creator>
<creator>Leroy, Céline</creator>
<creator>Dejean, Alain</creator>
<creator>Corbara, Bruno</creator>
<contributor>Laboratoire Ecologie Fonctionnelle et Environnement (EcoLab) ; CNRS - Observatoire Midi-Pyrénées - Université Paul Sabatier - Toulouse 3 (UPS) - Institut National Polytechnique de Toulouse (INP Toulouse) - PRES Université de Toulouse</contributor>
<contributor>Department of basis sciences and environment ; IT University of Copenhagen</contributor>
<contributor>Microorganismes : génome et environnement (LMGE) ; Université Blaise Pascal - Clermont-Ferrand 2 (UBP) - Université d'Auvergne - Clermont-Ferrand I - CNRS</contributor>
<description>International audience</description>
<source>Ecology</source>
<publisher>Ecological Society of America</publisher>
<identifier>hal-00911501</identifier>
<identifier>https://hal.archives-ouvertes.fr/hal-00911501</identifier>
<identifier>https://hal.archives-ouvertes.fr/hal-00911501/document</identifier>
<source>https://hal.archives-ouvertes.fr/hal-00911501</source>
<source>Ecology, Ecological Society of America, 2010, vol. 91, pp. 1549-1556. <10.1890/09-1534.1></source>
<identifier>DOI : 10.1890/09-1534.1</identifier>
<identifier>OATAO : 10118</identifier>
<language>en</language>
<subject lang=en>Aechmea mertensii</subject>
<subject lang=en>Ant-gardens</subject>
<subject lang=en>Biodiversity</subject>
<subject lang=en>Bromeliads</subject>
<subject lang=en>Camponotus femoratus</subject>
<subject lang=en>Crematogaster levior</subject>
<subject lang=en>Macroinvertebrates</subject>
<subject lang=en>Mutualism</subject>
<subject lang=en>Pachycondyla goeldii</subject>
<subject lang=en>Phytotelmata</subject>
<subject lang=en>Secondary forest</subject>
<subject lang=en>Sinnamary</subject>
<subject lang=en>French Guiana</subject>
<subject lang=en>Species interactions</subject>
<subject>[SDV.BID] Life Sciences/Biodiversity</subject>
<subject>[SDV.EE.ECO] Life Sciences/Ecology, environment/Ecosystems</subject>
<type>Journal articles</type>
<description lang=en>The main theories explaining the biological diversity of rain forests often confer a limited understanding of the contribution of interspecific interactions to the observed patterns. We show how two-species mutualisms can affect much larger segments of the invertebrate community in tropical rain forests. Aechmea mertensii (Bromeliaceae) is both a phytotelm (plant-held water) and an ant-garden epiphyte. We studied the influence of its associated ant species (Pachycondyla goeldii and Camponotus femoratus) on the physical characteristics of the plants, and, subsequently, on the diversity of the invertebrate communities that inhabit their tanks. As dispersal agents for the bromeliads, P. goeldii and C. femoratus influence the shape and size of the bromeliad by determining the location of the seedling, from exposed to partially shaded areas. By coexisting on a local scale, the two ant species generate a gradient of habitat conditions in terms of available resources (space and food) for aquatic invertebrates, the diversity of the invertebrate communities increasing with greater volumes of water and fine detritus. Two-species mutualisms are widespread in nature, but their influence on the diversity of entire communities remains largely unexplored. Because macroinvertebrates constitute an important part of animal production in all ecosystem types, further investigations should address the functional implications of such indirect effects.</description>
<date>2010-05</date>
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