Phylogenetic diversity measures based on Hill numbers
نویسندگان
چکیده
منابع مشابه
Phylogenetic diversity measures based on Hill numbers.
We propose a parametric class of phylogenetic diversity (PD) measures that are sensitive to both species abundance and species taxonomic or phylogenetic distances. This work extends the conventional parametric species-neutral approach (based on 'effective number of species' or Hill numbers) to take into account species relatedness, and also generalizes the traditional phylogenetic approach (bas...
متن کاملDistance-Based Functional Diversity Measures and Their Decomposition: A Framework Based on Hill Numbers
Hill numbers (or the "effective number of species") are increasingly used to characterize species diversity of an assemblage. This work extends Hill numbers to incorporate species pairwise functional distances calculated from species traits. We derive a parametric class of functional Hill numbers, which quantify "the effective number of equally abundant and (functionally) equally distinct speci...
متن کاملSupporting Information Distance-based functional diversity measures and their decomposition: a framework based on Hill numbers
As indicated in the main text, we can apply the additive decomposition to the three measures, ) (Q D (Eq. 3), qMD(Q) (Eq. 4a) and qFD(Q) (Eq. 4b); here the equations numbers refer to those in the main text. For example, we define the “functional diversity excess” as ) ( ) ( Q FD Q FD q q . This is also an interpretable measure. However, this excess measure cannot be directly applied to co...
متن کاملCorrection: Distance-Based Functional Diversity Measures and Their Decomposition: A Framework Based on Hill Numbers
In this Appendix, we summarize some basic properties of the three classes of functional diversity measures: (1) functional Hill number ) (Q D q which quantifies the effective number of equally abundant and equally distinct species in an assemblage with a constant species pairwise distance Q, where Q denotes Rao’s quadratic entropy; (2) mean functional diversity MD(Q) = Q Q D q × )] ( [ which qu...
متن کاملOn dendrogram-based measures of functional diversity
Euclidean distance is commonly involved in calculating functional diversity (FD), for example, in measures based on dendrogram branch lengths. We point out that this function is inappropriate in many cases and that the choice of clustering method is more crucial than earlier thought. Gower’s formula and UPGMA clustering are suggested here as a standard combination of techniques for calculating ...
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ژورنال
عنوان ژورنال: Philosophical Transactions of the Royal Society B: Biological Sciences
سال: 2010
ISSN: 0962-8436,1471-2970
DOI: 10.1098/rstb.2010.0272