Supplementary Information S1 - Genetic Structure Among 50 Species of the Northeastern Pacific Rocky Intertidal Community

Table of ecological and life history information used for analysis. Genetic results in bold are significantly different from zero. Larval types were sorted into practical categories; while some crustacean groups have different names for terminal larval stages, those that reasonably approximated megalopae were labeled as such. Larval trophic level was treated similarly, sorting groups into functional categories. Habitat depth was treated in a variety of different ways, the most relevant presented here: divided into seven categories, four categories, and an ordered set of seven numerical values. Pairwise FST calculations are shown for pairs of populations: “Mont-OR,” for example, is the pairwise FST between Monterey and Oregon. SB  =  Santa Barbara, Mont  =  Monterey, OR  =  Oregon, AK  =  Alaska. SAShA OM represents the mean geographic distance between shared alleles; SAShA OM/Exp is the ratio of the observed mean geographic distance between alleles to the expected distance given sampling (see Kelly et al., Journal of Heredity, in press). Tajima's D was calculated for the overall sample of all populations combined, with data trimmed to remove missing characters.
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