Fig. 3

Sampling locations. Adult cod spawning samples collected in the North Sea, western Skagerrak, Kattegat and Öresund, and juvenile cod collected in the eastern Skagerrak and Kattegat. (cf. Table 2). Orange and blue ovales denote areas where 100 individual 2–5 y old cod were tagged and released in the eastern Skagerrak and Kattegat. See Fig. 2 for recapture locations. Map courtesy of Institute of marine research Flødevigen www.imr.no used with permission