Resolution: standard / high
Figure 3.
A) Average size-adjusted crushing resistance (95% Confidence Intervals) for M. churinceanus populations. B) Frequency of banded snails for M. churinceanus populations. Populations along the Y-axis are arranged on a transect from southwestern populations to the northern Rio Mesquite down to the southeastern lobe.
Johnson et al. BMC Evolutionary Biology 2007 7:50 doi:10.1186/1471-2148-7-50
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