Fig. 2From: Rapid evolution of genetic and phenotypic divergence in Atlantic salmon following the colonisation of two new branches of a watercourseSea age distribution (%) of males (dark grey) and females (light grey) in a Svenningdalselva, b Austervefsna, and c Vefsna. Data were obtained from scale samples of Atlantic salmon collected between 1969 and 1981. Previous spawners are excluded from the materialBack to article page