pd {picante} | R Documentation |
Calculate the sum of the total branch lengths for one or multiple samples.
pd(samp, tree)
samp |
Community data matrix |
tree |
A phylo tree object |
Returns a dataframe of the PD and species richness values for all samples
This function does not calculate PD for samples with one or zero species. The data sets need not be species-community data sets but may be any sample data set with an associated phylogeny. PD is not statistically independent of species richness, it positively correlates with species richness across samples.
Matthew Helmus mrhelmus@gmail.com
Jonathan Davies davies@nceas.ucsb.edu
Faith D.P. (1992) Conservation evaluation and phylogenetic diversity. Biological Conservation, 61, 1-10