Appendix D. Analysis of the spatial stability (CV) of plankton biomass and ecosystem productivity as a function of dispersal rate.
TABLE D1. Effects of planktonic dispersal rate on the spatial coefficient of variation (CV) of zooplankton biomass, phytoplankton biomass, and ecosystem productivity in pond metacommunities, as analyzed with repeated measures ANOVA. |
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† Greenhouse-Geisser-modified probability values
For zooplankton and ecosystem productivity, probability values from final 7 wk of the experiment are noted in parenthesis, if the significance level is different from the 12 wk analysis.
Post hoc pairwise contrasts (Tukey’s HSD) reported for significant main effects. Contrasts notation, dispersal: C = closed (no dispersal); L = low dispersal; H = high dispersal. Contrasts significance levels: ‡, marginally significant P < 0.08; *, P < 0.05; **, P < 0.01; ***, P < 0.001; ↑, greater CV value. For zooplankton and ecosystem productivity, 7 wk contrasts results are noted in parentheses if different from the 12 wk analysis.
TABLE D2. Effects of planktonic dispersal rate on the spatial coefficient of variation (CV) of zooplankton and phytoplankton functional group biomass in pond metacommunities, as analyzed with repeated measures ANOVA. |
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† Greenhouse-Geisser-modified probability values
For zooplankton, probability values from final 7 wk of the experiment are noted in parenthesis, if the significance level is different from the 12 wk analysis.