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The effects of black cottonwood genotype (shown in ascending order of productivity (electronic supplementary material, figure S1) and stickleback ecotype on community metrics: (a) oligochaete abundance, (b) macro invertebrate richness, (c) Bosmina abundance, and (d) calanoid abundance. Data are shown as means with standard errors. Full ANOVA results for community responses are in electronic supplementary material, table S1.
