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<identifier>oai:HAL:hal-01032157v1</identifier>
<datestamp>2018-01-11</datestamp>
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<title lang=en>Niche differentiation among neotropical soldierless soil-feeding termites revealed by stable isotope ratios</title>
<creator>Bourguignon, Thomas</creator>
<creator>Sobotnik, Jan</creator>
<creator>Lepoint, Gilles</creator>
<creator>Martin, Jean-Michel</creator>
<creator>Roisin, Yves</creator>
<contributor>Evolutionary Biology and Ecology ; Université Libre de Bruxelles [Bruxelles] (ULB)</contributor>
<contributor>Infochemicals Research Team, Institute of Organic Chemistry and Biochemistry ; Czech Technical University in Prague (CTU)</contributor>
<contributor>MARE Centre, Laboratory for Oceanology ; Université de Liège</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>
<description> </description>
<source>ISSN: 0038-0717</source>
<source>Soil Biology and Biochemistry</source>
<publisher>Elsevier</publisher>
<identifier>hal-01032157</identifier>
<identifier>https://hal.archives-ouvertes.fr/hal-01032157</identifier>
<source>https://hal.archives-ouvertes.fr/hal-01032157</source>
<source>Soil Biology and Biochemistry, Elsevier, 2009, 41 (10), pp.2038-2043. 〈10.1016/j.soilbio.2009.07.005〉</source>
<identifier>DOI : 10.1016/j.soilbio.2009.07.005</identifier>
<relation>info:eu-repo/semantics/altIdentifier/doi/10.1016/j.soilbio.2009.07.005</relation>
<language>en</language>
<subject lang=en>anoplotermes</subject>
<subject lang=en>termitidae</subject>
<subject lang=en>isoptera</subject>
<subject lang=en>resource partitioning</subject>
<subject lang=en>food web</subject>
<subject lang=en>decomposition gradient </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>Termites represent one of the most abundant belowground animal taxa in tropical rainforests, where their species richness is much higher than in any other ecosystem. This high diversity in soil ecosystems is however difficult to explain by classical Hutchinsonian niche theory, as there is little evidence for spatial or temporal separation between species. Using delta(13)C and delta(15)N isotopic ratios, we tested if resource partitioning along the humification gradient occurs; in neotropical soldierless termites of the Anoplotermes-group. Two distinct sites were investigated to check if interspecific differences are transposable between sites. Significant differences in delta(15)N were found between species of the Anoplotermes-group. Although some species displayed higher intersite delta(15)N variation than others, species-average delta(15)N values for both sites were highly correlated, showing that sympatric soldierless soil-feeding termites feed on distinct components of the soil. Our data also suggest that some species are more likely to shift along this gradient than others, in response to overall habitat conditions or to the presence of competitors. Feeding niche differentiation can therefore account for the high species richness and diversity of soldierless soil-feeding termites in neotropical rainforests.</description>
<date>2009</date>
</dc>
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