In order to identify a mangrove trimming effect on the fish
community (H5), a nonmetric MDS ordination of square root
transformed Bray–Curtis similarity measures between the average
monthly species densities in each of the plots, both before
and after trimming, was performed. A significant separation of
the ordination points representing trimmed plots from all others
(i.e. control and pre-trimming experimental) as determined
by an Analysis of Similarities Procedure (ANOSIM) was considered