In a new paper out of the lab, Lehnert et al. used a panel of 96 diagnostic SNPs across a large geographic range to show genetic structure along an observed latitudinal gradient. Additional fine-scale structure was detected between inshore and offshore sites near the previously described boundary. Both coarse and fine-scale structure were associated with seasonal temperature regimes during periods of thermal minima, which may explain the observed structure between inshore and offshore sites.

Fine-scale temperature-associated genetic structure between inshore and offshore populations of sea scallop (Placopecten magellanicus)

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