Fig. 2From: Subtidal macrozoobenthos communities from northern Chile during and post El Niño 1997–1998Average values (±95% confidence intervals) of species richness (a), Shannon-Wiener H′ diversity index (b) and dominance (c) estimated as sampling size increased during (solid symbols) and after (empty symbols) EN 1997–1998. Significant differences were assumed if 95% confidence intervals did not overlap between the periodsBack to article page