Fig. 4From: Selection at a genomic region of major effect is responsible for evolution of complex life histories in anadromous steelheadDensity plots illustrating spawning tributary arrival date of fish with different maturation genotypes across spawning tributaries in 6 sub-basins: a) Klickitat, b) Yakima, c) Tucannon, d) Asotin, e) Grande Ronde, and, f) Clearwater. Asterisks in each panel correspond to the significance level between premature and mature genotypes (Tukey’s test): * = p < 0.05; ** = p < 0.01, *** = p < 0.001Back to article page