Rapid evolution of genetic and phenotypic divergence in Atlantic salmon following the colonisation of two new branches of a watercourse

Table 1 Number of scale samples from Atlantic salmon collected in the three river stretches, sorted by collection year

Year	Vefsna	Austervefsna	Svenningdalselva	Total
1969	5	0	40	45
1971	4	4	69	77
1972	148	52	50	250
1973	240	51	55	346
1974	52	187	126	365
1975	104	29	19	152
1977	305	0	0	305
1978	308	109	15	432
1979	375	63	46	484
1980	283	59	9	351
1981	236	41	5	282
Total	2060	595	434	3089

ISSN: 1297-9686