We tested whether local assemblages in plantations
were a subgroup of species present in native forest with
the nestedness metric based on Overlap and Decreasing Fill
– NODF (Almeida-Neto et al. 2008). The values range from 0
to 100, where the maximum value represents a perfectly
nested assemblage. For this, a matrix of presence/absence
of species for each area was generated, and from this matrix
the nesting index was calculated. These values were tested by
t-test against values created by null models, generated from random resampling of species in sample units, keeping the
original richness values of them.