Lateglacial of Lake Onega — Contribution to the history of the eastern Baltic basin

Saarnisto, Matti; Grönlund, Tuulikki; Ekman, I.

doi:10.1016/1040-6182(95)00068-t

Cited by 34 publications

(15 citation statements)

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“…No sea connection has existed between the White Sea and Baltic basin. In contrast, the Lake Ladoga basin was below sea level at the Baltic Ice lake stage (Saarnisto et al 1995;Saarnisto and Saarinen 2001). Lake Onega first drained south to the River Volga system and then to the Lake Ladoga basin.…”

Section: Eastern Baltic Sea Areamentioning

confidence: 89%

“…The first outlet of Lake Onega to the Lake Ladoga basin was probably the Vieljärvi threshold, but it soon turned towards the present, more southerly River Svir, clearly before 10 000 years BP. The Lake Ladoga basin deglaciated at about the same time as Lake Onega, 14 200 -13 300 years ago (Saarnisto et al 1995;Mangerud et al 2004). …”

Section: Eastern Baltic Sea Areamentioning

confidence: 96%

“…The Weichselian ice sheet also covered the two largest lakes in Europe, Onega and Ladoga in Russia, although the outer margin of the glacier was less than 100 km southeast of Lake Onega (Saarnisto et al 1995).…”

Section: Colonization Of the Baltic Seamentioning

confidence: 99%

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Population genetic structure and postglacial colonization of Atlantic salmon (Salmo salar) in the Baltic Sea area based on microsatellite DNA variation

Säisä¹,

Koljonen²,

Gross³

et al. 2005

Can. J. Fish. Aquat. Sci.

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The genetic structure and phylogeography of Atlantic salmon (Salmo salar) across the Baltic Sea basin and neighbouring areas (eastern Atlantic Ocean, North Sea, Barents Sea, White Sea, and two Russian lakes, Onega and Ladoga) were studied to resolve the partly contradictory hypotheses of the species' postglacial colonization history. Thirty-eight populations (total of 2180 individuals) were studied for nine DNA microsatellite loci. Within the Baltic Sea, the anadromous populations formed three clear groups, corresponding to the northern (Gulf of Bothnia), eastern (Gulf of Finland and eastern Baltic Main Basin), and southern regions (western Baltic Main Basin). The genetic differences among these three groups were clearly greater (G GB 5.6%; G GB being the proportion of diversity components between regions within basins) than were those among population groups in the eastern Atlantic Ocean (G GB 2.2%) from Ireland to the White Sea. The isolation-by-distance model explained part of the differentiation within, but not between, the regions. The results strongly indicate colonization of the Baltic Sea by at least three glacial lineages. Potential refugium areas for each lineage are proposed.Résumé : Nous avons étudié la structure génétique et la phylogéographie du saumon atlantique (Salmo salar) de part en part du bassin de la Baltique et dans les régions avoisinantes (est de l'Atlantique, mer de Barents, mer Blanche et deux lacs russes, les lacs Onega et Ladoga) pour résoudre les hypothèses en partie contradictoires sur l'histoire de la colonisation postglaciaire de l'espèce. Nous avons analysé neuf locus ADN microsatellites chez 2180 individus appartenant à 38 populations. Au sein de la Baltique, les populations anadromes forment trois groupes distincts qui correspondent aux régions du nord (golfe de Bothnie), de l'est (golfe de Finlande et bassin principal de l'est de la Baltique) et du sud (bassin principal de l'ouest de la Baltique). Les différences génétiques entre ces trois groupes sont nettement plus importantes (G GB 5,6 %; G GB représente la proportion d'éléments de diversité entre les régions à l'intérieur des bassins) que celles qui existent entre les groupes de populations de l'est de l'Atlantique (G GB 2,2 %), de l'Irlande à la mer Blanche. Le modèle de l'isolement en fonction de la distance explique une partie de la différentiation au sein des régions, mais non entre elles. Nos résultats indiquent fortement une colonisation de la Baltique par au moins trois lignées glaciaires. Nous proposons des zones possibles de refuge pour chaque lignée.[Traduit par la Rédaction] Säisä et al. 1904

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Section: Eastern Baltic Sea Areamentioning

confidence: 89%

Section: Eastern Baltic Sea Areamentioning

confidence: 96%

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Population genetic structure and postglacial colonization of Atlantic salmon (Salmo salar) in the Baltic Sea area based on microsatellite DNA variation

Säisä¹,

Koljonen²,

Gross³

et al. 2005

Can. J. Fish. Aquat. Sci.

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“…The south-eastern part of the Baltic Sea drainage was not covered by ice during the last glaciation, and freshwater connections between the eastern part of the Baltic Sea drainage Osinov & Bernatchez, 1996;3, Makhrov et al, 1999;4, Koljonen & Huusko, 1993;5, Koljonen & Sarjamo, 1987;6, Koljonen, 1989. and the southern part of the White Sea drainage appeared after the ice retreated (Saarnisto et al, 1995). Populations without the sAAT-1,2*116 allele from both the eastern part of the Baltic Sea and, possibly, from the southern part of the White Sea drainages are likely to have originated from a refugium in the eastern part of Baltic Sea area.…”

mentioning

confidence: 97%

Alleles of *sAAT‐1,2** isoloci in brown trout: potential diagnostic marker for tracking routes of post‐glacial colonization in northern Europe

Махров

Skaala

Altukhov

2002

Journal of Fish Biology

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“…Recent investigations from the threshold areas, however, show that no Lateglacial sea connection existed between the Baltic Sea and White Sea basins (Saarnisto et al 1995). Also the fact that the benthic fauna colonised the western part of the Yoldia Sea first, suggests an invasion from west, and that the calcareous fauna probably lived in the Lake Vänern basin before the opening of the Närke strait.…”

Section: Yoldia Sea Palaeoecology and Ostracod Immigrationmentioning

confidence: 97%

Calcareous fossils and radiocarbon dating of the saline phase of the Yoldia Sea stage

Wastegård

Schoning

1997

GFF

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Lateglacial of Lake Onega — Contribution to the history of the eastern Baltic basin

Cited by 34 publications

References 2 publications

Population genetic structure and postglacial colonization of Atlantic salmon (Salmo salar) in the Baltic Sea area based on microsatellite DNA variation

Population genetic structure and postglacial colonization of Atlantic salmon (Salmo salar) in the Baltic Sea area based on microsatellite DNA variation

Alleles of *sAAT‐1,2** isoloci in brown trout: potential diagnostic marker for tracking routes of post‐glacial colonization in northern Europe

Calcareous fossils and radiocarbon dating of the saline phase of the Yoldia Sea stage

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Lateglacial of Lake Onega — Contribution to the history of the eastern Baltic basin

Cited by 34 publications

References 2 publications

Population genetic structure and postglacial colonization of Atlantic salmon (Salmo salar) in the Baltic Sea area based on microsatellite DNA variation

Population genetic structure and postglacial colonization of Atlantic salmon (Salmo salar) in the Baltic Sea area based on microsatellite DNA variation

Alleles of sAAT‐1,2* isoloci in brown trout: potential diagnostic marker for tracking routes of post‐glacial colonization in northern Europe

Calcareous fossils and radiocarbon dating of the saline phase of the Yoldia Sea stage

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Alleles of *sAAT‐1,2** isoloci in brown trout: potential diagnostic marker for tracking routes of post‐glacial colonization in northern Europe