ecospat.niche.similarity.test (z1, z2, rep, one.sided=T, rand.type)
ecospat.grid.clim
.ecospat.grid.clim
.Warren, D.L., R.E. Glor and M. Turelli. 2008. Environmental niche equivalency versus conservatism: quantitative approaches to niche evolution. Evolution, 62, 2868-2883.
ecospat.grid.clim.dyn
, ecospat.niche.equivalency.test