Figure 4.

Map of Europe showing the sampling locations. Population key for A. alosa (red stars): 1- Scotland; 13- Aulne; 14- Vienne; 15- Charente; 16- Dordogne; 17- Garonne; 19- Lima; 20- Mondego; and 23- Guadiana. Population key for A. fallax (red circles): 1- Scotland; 2- Lake Leane, Ireland (landlocked); 3- Severn; 4- Teme; 5- Wye; 6- Usk; 7- Tywi; 8- Curonian Lagoon; 9- Ă…lbaek; 10- Wadden Sea; 11- Elbe; 12- Scheldt; 15- Charente; 18- Minho; 19- Lima; 20- Mondego; 21- Tejo; 22- Mira; 23- Guadiana; 24- Sebou; 25- Aude; 26 - Herault; 27- Rhone; 28- Corsica; 29- Sardinia; 30- Lake Garda (landlocked); 31- Lake Skadar (unknown migratory status); 32- Pinios; and 34- Izmir Bay. Population key for Black Sea/Lake Volvi species complex (red pentagons): 33- Lake Volvi (landlocked); 35- Tulcea; 36- St George; 37- Lake Isac; 38- Turkish Black Sea coast near Rice. Locations where both A. alosa and A. fallax were collected are marked with a red square; locations where only A. alosa was sampled are marked with a red star; locations where only A. fallax was sampled are marked with a red circle; locations where taxa from the Ponto-Caspio region and Lake Volvi were sampled are marked with a red pentagon. All populations are anadromous unless otherwise specified.

Faria et al. BMC Evolutionary Biology 2012 12:194   doi:10.1186/1471-2148-12-194
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