Vegan package contains popular methods for community ecology. It is intended to complement basic R and other R packages. Vegan contains basic ordination methods, including constrained ordination, and support functions for nonmetric multidimensional scaling. In addition, there are tools for diversity analysis.

Download from CRAN: vegan

You can directly install release versions of vegan from a CRAN mirror within R with

install.packages(“vegan”)

Unstable devel version at R-Forge: http://vegan.r-forge.r-project.org/

You can directly install devel versions of vegan from R-Forge within R with

install.packages(“vegan”, repos=”http://r-forge.r-project.org“)

Reference manual (CRAN release): vegan

Tutorial: http://cc.oulu.fi/~jarioksa/opetus/metodi/vegantutor.pdf

FAQ: http://cc.oulu.fi/~jarioksa/softhelp/FAQ-vegan.html

GUI for vegan (and much more) BiodiversityR

Other R packages for ecologists: http://cran.r-project.org/web/views/Environmetrics.html