Figure 5

Non-metric multidimensional scaling (nMDS) plots showing the ordination patterns of macroinvertebrate communities. A is the nMDS plot based on the log-transformed abundance of the species and B is the same plot based on the species specialization index (SSI). Red, blue, and green circles represent halt (1997-2002), eutrophication (2003-2005), and post-recovery (2006-2010) periods, respectively. Distances between points represent the difference according to the Bray-Curtis dissimilarity, with light grey and dark grey ellipses showing the pre- and post-recovery clustering of points, respectively.