Erratum to: Environ Biol Fish

DOI 10.1007/s10641-011-9882-3

Unfortunately, wrong images were published for Fig. 1A and Fig. 2A, and should appear as shown in this paper.

Fig. 1
figure 1

Long term changes in annual commercial catch, hatchery catch and stocked juveniles of chum salmon in Hokkaido Island (a), location (solid line) of streams stocked juveniles (b) and commercial catch for each region in Hokkaido, Japan (c, d)

Fig. 2
figure 2

Long term changes in annual commercial catch, hatchery catch and stocked juveniles of pink salmon in Hokkaido Island, Japan (a), and location (solid line) of streams stocked juveniles (b)