Table 1.
Sample site information for the Main data set analyzed for eight allozyme loci and by PCA
| Sample code | Sampling site | Sea area | Region | Coordinates N/E | Year | |
|---|---|---|---|---|---|---|
| North American M. trossulus reference | ||||||
| 1* | Whidbey Island | NE Pacific | Washington, Puget Sound | 48°13′19″ 122°41′30″W | 1990 | |
| 2* | Driftwood Key | NE Pacific | Washington, Puget Sound | 47°54′20″ 122°35′24″W | 1990 | |
| 3* | St. Andrews | NW Atlantic | New Brunswick, Bay of Fundy | 45°06′07″ 67°03′06″W | 1986 | |
| M. edulis reference | ||||||
| 4 | Searsport | NW Atlantic | Maine, Gulf of Maine | 44°27′20″ 68°55′22″W | 1986 | |
| 6* | Jarfjorden, Storbukta | Barents Sea | Norway, Varangerfjorden | 69°41′ 30°28′ | 1987 | |
| 7 | Hjerting | North Sea | SW Denmark, Wadden Sea | 55°31′20″ 8°21′11″ | 1988 | |
| Baltic transect | ||||||
| 8 | Egense | Kattegat W | Denmark | 56°58′53″ 10°13′33″ | 1988 | |
| 9 | Taarbæk, boat harbor | Öresund | Denmark | 55°47′18″ 12°35′46″ | 1987 | |
| 10 | Sölvesborg | Baltic Sea S | SE Sweden | 56°01′33″ 14°33′45″ | 1987 | |
| 12 | Hanko, Tvärminne | Baltic Sea N | SW Finland | 59°50′50″ 23°16′14″ | 1999 | |
| 13* | Tammisaari, Vitsand | Baltic Sea N | SW Finland | 59°56′14″ 23°22′29″ | 1990 | |
| North Sea/Norwegian Sea | ||||||
| 14 | Bergen, city harbor | North Sea | SW Norway | 60°22′49″ 5°20′08″ | 2001 | |
| 15 | Bergen, city harbor | North Sea | SW Norway | 60°22′49″ 5°20′08″ | 2004 | |
| 16 | Espeland, Marine Biology Station | North Sea | SW Norway | 60°16′10″ 5°13′20″ | 2001 | |
| 17 | Espeland, Marine Biology Station | North Sea | SW Norway | 60°16′10″ 5°13′20″ | 2004 | |
| 18 | Årsetfjorden, N Trondelag | Norwegian Sea | W Norway | 65°02′ 11°51′ | 1999 | |
| 19 | Tromsø, boat harbor | Norwegian Sea | N Norway | 69°39′10″ 18°59′10″ | 2009 | |
| Barents Sea | ||||||
| 20 | Kirkenes harbor | Barents Sea | Norway, Varangerfjorden | 69°43′47″ 30°02′58″ | 2008 | |
| 21 | Pechenga | Barents Sea | Russia, Western Murman | 69°35′07″ 31°15′24″ | 2004 | |
| 22* | Abram Mys | Barents Sea | Murman, Kola Bay | 68°58′55″ 33°01′40″ | 2001 and 2002 | |
| 23* | Mishukovo | Barents Sea | Murman, Kola Bay | 69°02′46″ 33°02′29″ | 2002 | |
| 24 | Tyuva Inlet | Barents Sea | Murman, Kola Bay | 69°10′27″ 33°38′13″ | 2003 | |
| 25 | Tyuva Inlet | Barents Sea | Murman, Kola Bay | 69°10′27″ 33°38′13″ | 2003 | |
| 26 | Kildin, Mogilnaya Inlet (sheltered) | Barents Sea | Murman | 69°19′23″ 34°19′39″ | 2003 | |
| 28 | Kildin Island, Sunduki (exposed) | Barents Sea | Murman | 69°20′11″ 34°24′12″ | 2003 | |
| 29 | Yarnishnaya Inlet, Yarnishni stream | Barents Sea | Eastern Murman | 69°05′14″ 36°03′00″ | 2002 | |
| 30 | Yarnishnaya Inlet, Yarnishni stream | Barents Sea | Eastern Murman | 69°05′14″ 36°03′00″ | 2001 | |
| 31 | Gremikha, Svyatonossky Bay | Barents Sea | Eastern Murman | 68°03′34″ 39°31′13″ | 2002 | |
| 32 | Gremikha, Svyatonossky Bay | Barents Sea | Eastern Murman | 68°03′13″ 39°29′47″ | 2001 | |
| 33 | NW Cape Kanin Nos | Barents/White Sea | Kanin Peninsula | 68°23′31″ 43°58′25″ | 2002 | |
| Pechora Sea | ||||||
| 34 | SE Dolgy Island | Pechora Sea | Dolgy Island | 69°09′10″ 59°13′38″ | 2002 | |
| 35 | Lyamchina Inlet | Pechora Sea | Vaigach Island | 69°53′33″ 59°14′58″ | 2002 | |
| White Sea | ||||||
| 36 | Olenitsa | White Sea | Gulf of Kandalaksha | 66°27′39″ 35°19′35″ | 2002 | |
| 37* | Umba, Malaya Pilskaya Inlet | White Sea | Gulf of Kandalaksha | 66°39′51″ 34°19′34″ | 2002 | |
| 38 | Umba, Malaya Pilskaya Inlet | White Sea | Gulf of Kandalaksha | 66°41′08″ 34°20′09″ | 2004 | |
| 39 | Luvenga | White Sea | Gulf of Kandalaksha | 67°05′56″ 32°42′07″ | 2004 | |
| 40* | Kartesh | White Sea | Gulf of Kandalaksha | 66°20′08″ 33°38′58″ | 1990 | |
| 41 | Matrenin Island | White Sea | Gulf of Kandalaksha | 66°18′34″ 33°37′56″ | 2001 | |
| 42 | Keret, river mouth | White Sea | Gulf of Kandalaksha | 66°16′38″ 33°34′19″ | 1994 | |
| 43 | Rabocheostrovsk | White Sea | Onega Bay | 64°59′30″ 34°47′22″ | 2004 | |
| 44 | Solovetsky Island | White Sea | Onega Bay | 65°02′05″ 35°40′43″ | 2001 | |
| 45 | Tamitsa | White Sea | Onega Bay | 64°08′31″ 37°59′57″ | 2004 | |
| 46 | Una Inlet | White Sea | Dvina Bay | 64°47′52″ 38°23′50″ | 2004 | |
| 47 | Yagri Island | White Sea | Dvina Bay | 64°37′03″ 39°48′44″ | 2002 | |
Samples included also in the Circumboreal multilocus data set are indicated by an asterisk (*)