Figure 1From: Phylogeography of amphi-boreal fish: tracing the history of the Pacific herring Clupea pallasii in North-East European seasSampling localities for Clupea pallasii (dots) and C. harengus (circles). For locality codes see Table 1. Color codes reflect genetic population groupings (cf. Figures 2, 3). Observations of historical herring occurrence along the Siberian coast in the warm period of 1930s-1940s [7] are indicated with stars.Back to article page