Phylogenetic diversity metrics for ecological communities: integrating species richness, abundance and evolutionary history Export

@article{citeulike:6093065, 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.}, address = {National Center for Ecological Analysis and Synthesis, University of California, 735 State St., Santa Barbara, CA 93101, USA; Department of Biological Sciences, University of Toronto Scarborough, 1265 Military Trail, Scarborough, ON M1C 1A4, Canada; Integrative Biology, University of California, Berkeley, CA 94720, USA; Center for Ecology and Evolutionary Biology, University of Oregon, Eugene, OR 97403, USA; Ecology, Behavior and Evolution, University of California San Diego, La Jolla, CA 92093, USA; Ecology, Evolution and Marine Biology, University of California, Santa Barbara, CA 93107, USA}, author = {Cadotte, Marc W. and Davies, T. Jonathan and Regetz, James and Kembel, Steven W. and Cleland, Elsa and Oakley, Todd H.}, citeulike-article-id = {6093065}, citeulike-linkout-0 = {http://dx.doi.org/10.1111/j.1461-0248.2009.01405.x}, citeulike-linkout-1 = {http://www3.interscience.wiley.com/cgi-bin/abstract/122680036/ABSTRACT}, doi = {10.1111/j.1461-0248.2009.01405.x}, issn = {1461-0248}, journal = {Ecology Letters}, keywords = {phylogeny}, number = {9999}, posted-at = {2009-11-10 13:25:13}, priority = {2}, title = {Phylogenetic diversity metrics for ecological communities: integrating species richness, abundance and evolutionary history}, url = {http://dx.doi.org/10.1111/j.1461-0248.2009.01405.x}, volume = {9999}, year = {2009} }

TY - JOUR ID - citeulike:6093065 L3 - citeulike-article-id:6093065 N2 - 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. IS - 9999 JF - Ecology Letters SN - 1461-0248 AD - National Center for Ecological Analysis and Synthesis, University of California, 735 State St., Santa Barbara, CA 93101, USA; Department of Biological Sciences, University of Toronto Scarborough, 1265 Military Trail, Scarborough, ON M1C 1A4, Canada; Integrative Biology, University of California, Berkeley, CA 94720, USA; Center for Ecology and Evolutionary Biology, University of Oregon, Eugene, OR 97403, USA; Ecology, Behavior and Evolution, University of California San Diego, La Jolla, CA 92093, USA; Ecology, Evolution and Marine Biology, University of California, Santa Barbara, CA 93107, USA TI - Phylogenetic diversity metrics for ecological communities: integrating species richness, abundance and evolutionary history VL - 9999 KW - phylogeny AU - Cadotte, Marc AU - Davies, Jonathan AU - Regetz, James AU - Kembel, Steven AU - Cleland, Elsa AU - Oakley, Todd PY - 2009/// UR - http://dx.doi.org/10.1111/j.1461-0248.2009.01405.x ER -