PC, positive convergence, NC, negative convergence, NeC, neutral convergence and D, divergence. The black crosses are the observed percentage of protection while the box is the mean percentage of protected cells (relative to the total number of cell within the given category) over 1000 randomizations. The stars are the two-sided pvalues of the test comparing the observed and expected value. ***, p<0.001, **, p<0.005, *, p< 0.01