The total count of 0-group and 1-group cod in the Flødevigen survey from the Southern area (sum over 38 permanent stations from 1921–1994 disrupted during World War II; A) and the Northern area (sum over 31 permanent stations from 1936–1994; B) along the Norwegian Skagerrak coast. The 0-group counts are represented by the black lines, open circles, and left axes. The gray shaded areas and the right axes represent the 1-group counts. The 38 Southern stations are located in the following fjords/coastal areas (18): Torvefjord (2), Topdalfjord (3), Høvåg (8), Bufjord (2), Flødevigen (2), Sandnesfjord (7), Søndelefjord (6), Stølefjord (2), Kilsfjord (3) and Soppekilen (3). The 31 Northern stations are located as follows: Tjøme (6), Holmestrand (6), Oslofjorden (8), Drøbak (4), and Hvaler (7).