CadotteJonathanRegetzEtAl2010

Référence

Cadotte, M.W., Jonathan Davies, T., Regetz, J., Kembel, S.W., Cleland, E. and Oakley, T.H. (2010) Phylogenetic diversity metrics for ecological communities: Integrating species richness, abundance and evolutionary history. Ecology Letters, 13(1):96-105. (Scopus )

Résumé

Phylogenetic information is increasingly being used to understand the assembly of biological communities and ecological processes. However, commonly used metrics of phylogenetic diversity (PD) do not incorporate information on the relative abundances of individuals within a community. In this study, we develop three indices of PD that explicitly consider species abundances. First, we present a metric of phylogenetic-abundance evenness that evaluates the relationship between the abundance and the distribution of terminal branch lengths. Second, we calculate an index of hierarchical imbalance of abundances at the clade level encapsulating the distribution of individuals across the nodes in the phylogeny. Third, we develop an index of abundance-weighted evolutionary distinctiveness and generate an entropic index of phylogenetic diversity that captures both information on evolutionary distances and phylogenetic tree topology, and also serves as a basis to evaluate species conservation value. These metrics offer measures of phylogenetic diversity incorporating different community attributes. We compare these new metrics to existing ones, and use them to explore diversity patterns in a typical California annual grassland plant community at the Jasper Ridge biological preserve. © 2009 Blackwell Publishing Ltd/CNRS.

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@ARTICLE { CadotteJonathanRegetzEtAl2010,
    AUTHOR = { Cadotte, M.W. and Jonathan Davies, T. and Regetz, J. and Kembel, S.W. and Cleland, E. and Oakley, T.H. },
    TITLE = { Phylogenetic diversity metrics for ecological communities: Integrating species richness, abundance and evolutionary history },
    JOURNAL = { Ecology Letters },
    YEAR = { 2010 },
    VOLUME = { 13 },
    PAGES = { 96-105 },
    NUMBER = { 1 },
    ABSTRACT = { Phylogenetic information is increasingly being used to understand the assembly of biological communities and ecological processes. However, commonly used metrics of phylogenetic diversity (PD) do not incorporate information on the relative abundances of individuals within a community. In this study, we develop three indices of PD that explicitly consider species abundances. First, we present a metric of phylogenetic-abundance evenness that evaluates the relationship between the abundance and the distribution of terminal branch lengths. Second, we calculate an index of hierarchical imbalance of abundances at the clade level encapsulating the distribution of individuals across the nodes in the phylogeny. Third, we develop an index of abundance-weighted evolutionary distinctiveness and generate an entropic index of phylogenetic diversity that captures both information on evolutionary distances and phylogenetic tree topology, and also serves as a basis to evaluate species conservation value. These metrics offer measures of phylogenetic diversity incorporating different community attributes. We compare these new metrics to existing ones, and use them to explore diversity patterns in a typical California annual grassland plant community at the Jasper Ridge biological preserve. © 2009 Blackwell Publishing Ltd/CNRS. },
    COMMENT = { Cited By (since 1996): 35 Export Date: 17 September 2012 Source: Scopus CODEN: ECLEF doi: 10.1111/j.1461-0248.2009.01405.x },
    ISSN = { 1461023X (ISSN) },
    KEYWORDS = { Abundance distribution, Biodiversity, Ecophylogenetic diversity, Evenness, Evolutionary history, Jasper Ridge biological preserve, Null models, Shannon Index, abundance, biodiversity, community ecology, evolutionary theory, phylogenetics, species conservation, species diversity, species evenness, species richness, article, biodiversity, biological model, ecology, evolution, phylogeny, physiology, Poaceae, population dynamics, species differentiation, statistical model, United States, Biodiversity, California, Ecology, Evolution, Genetic Speciation, Models, Biological, Models, Statistical, Phylogeny, Poaceae, Population Dynamics, California, Jasper Ridge Biological Preserve, United States },
    OWNER = { Luc },
    TIMESTAMP = { 2012.09.17 },
    URL = { http://www.scopus.com/inward/record.url?eid=2-s2.0-72949108886&partnerID=40&md5=c79df671fe6af3a0a87646df1abc1cbc },
}

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