Resource diversity promotes among-individual diet variation, but not genomic diversity, in lake stickleback

Daniel Bolnick & Kimberly Ballare
Many generalist species consist of specialized individuals that use different resources. This within-population niche variation can stabilize population and community dynamics. Consequently, ecologists wish to identify environmental settings that promote such variation. Theory predicts that environments with greater resource diversity favor ecological diversity (via disruptive selection or plasticity). Alternatively, niche variation might be a side-effect of neutral genomic diversity in larger populations. We tested these alternatives in a metapopulation of threespine stickleback. Stickleback consume benthic...
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These counts follow the COUNTER Code of Practice, meaning that Internet robots and repeats within a certain time frame are excluded.
What does this mean?