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<identifier>oai:HAL:hal-01502645v1</identifier>
<datestamp>2018-01-11</datestamp>
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<metadata><dc>
<publisher>HAL CCSD</publisher>
<title lang=en>Decomposing phylodiversity</title>
<creator>Marcon, Eric</creator>
<creator>Hérault, Bruno</creator>
<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>Centre de Coopération Internationale en Recherche Agronomique pour le Développement (CIRAD)</contributor>
<description>International audience</description>
<source>ISSN: 2041-210X</source>
<source>EISSN: 2041-210X</source>
<source>Methods in Ecology and Evolution</source>
<publisher>Wiley</publisher>
<identifier>hal-01502645</identifier>
<identifier>https://hal-agroparistech.archives-ouvertes.fr/hal-01502645</identifier>
<source>https://hal-agroparistech.archives-ouvertes.fr/hal-01502645</source>
<source>Methods in Ecology and Evolution, Wiley, 2015, 6 (3), pp.333 - 339. 〈10.1111/2041-210X.12323〉</source>
<identifier>DOI : 10.1111/2041-210X.12323</identifier>
<relation>info:eu-repo/semantics/altIdentifier/doi/10.1111/2041-210X.12323</relation>
<language>en</language>
<subject lang=en>Biodiversity</subject>
<subject lang=en> Entropy</subject>
<subject lang=en> Functional diversity</subject>
<subject lang=en> Phylogenetic diversity</subject>
<subject>[MATH] Mathematics [math]</subject>
<type>info:eu-repo/semantics/article</type>
<type>Journal articles</type>
<description lang=en>Measuring functional or phylogenetic diversity is the object of an active literature. The main issues to address are relating measures to a clear conceptual framework, allowing unavoidable estimation-bias correction and decomposing diversity along spatial scales. We provide a general mathematical framework to decompose measures of species-neutral, phylogenetic or functional diversity into α and β components. We first unify the definitions of phylogenetic and functional entropy and diversity as a generalization of HCDT entropy and Hill numbers when an ultrametric tree is considered. We then derive the decomposition of diversity. We propose a bias correction of the estimates allowing meaningful computation from real, often undersampled communities. Entropy can be transformed into true diversity, that is an effective number of species or communities. Estimators of α- and β-entropy, phylogenetic and functional entropy are provided. Proper definition and estimation of diversity is the first step towards better understanding its underlying ecological and evolutionary mechanisms.</description>
<date>2015-03-01</date>
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