Supplement 1. Data and R scripts to reproduce the different analyses of the tropical forest data set.

<h2>File List</h2><blockquote> <p><a href="Panama-Analysis.R">Panama-Analysis.R</a></p> <p><a href="pcw.RData">pcw.RData</a></p> </blockquote><h2>Description</h2><blockquote> <p>The file Panama-Analysis.R is an R script allowing to reproduce the analysis of the tropical forest data set. The file pcw.RData contains an R object with the tropical forest data set. It is a list with:</p> <p>- spe: the community data</p> <p>- env: the environmental data</p> <p>- xy.utm: the spatial coordinates (UTM)</p> <p>- map: a map (SpatialPolygons object)</p> <p>- xy: the spatial coordinates (lat-long) for mapping</p> </blockquote