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Figure 5 | BMC Evolutionary Biology

Figure 5

From: Tracing early stages of species differentiation: Ecological, morphological and genetic divergence of Galápagos sea lion populations

Figure 5

A) Results from ten independent runs of STRUCTURE 2.1 [70] for each hypothesized number k of genetically meaningful clusters using 16 Californian and 367 Galápagos sea lions. Posterior probabilities ln P(x|k) indicate which number of populations are most likely to explain the genotypic data. B) Barplot of membership probabilities for the scenario of population subdivision that was best supported by the data (k = 4). Each individual is represented by a stacked bar that can be partitioned into a maximum of four differently shaded segments, each standing for a genetic cluster. The probability of cluster membership is portrayed by relative segment length for each individual. Colonies of origin and genetic stocks are given below, the Californian sea lion (Z.c.) is included as the outgroup (see Methods).

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