Compute a rarefaction curve based on a presence-basence matrix.
ec_rarefaction(mat_pa, nrep = 20)
presence absence matrix (sites as rows and species as columns).
number of replicates.
A matrix with rarefaction replicates as rows.
Gotelli, N. J., and Robert K. C.. Quantifying Biodiversity: Procedures and Pitfalls in the Measurement and Comparison of Species Richness. Ecology Letters (2001).
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