Marine Bivalvia of the Arctic Ocean

Fedyakov, V. V.; Наумов, А. Д.

doi:10.1007/978-1-4613-0677-1_12

Cited by 10 publications

(8 citation statements)

References 7 publications

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“…Although the biota of the Arctic Region owes most of its origin to the boreal North Pacific and North Atlantic, it has developed an appreciable amount of endemism. About 24% of the echinoderm species are endemic (Anisimova, 1989), 14% of the bivalves (Fedyakov & Naumov, 1989), and 19% of the prosobranch gastropods (Golikov, 1989). Among the whales, there are two monotypic genera that belong to the plesiomorphic family Monodontidae.…”

Section: The North Pacific Centrementioning

confidence: 99%

Marine centres of origin as evolutionary engines

Briggs

2003

Journal of Biogeography

247

193

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Section: The North Pacific Centrementioning

confidence: 99%

Marine centres of origin as evolutionary engines

Briggs

2003

Journal of Biogeography

247

193

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“…According to Filatova (1957a), the modern fauna of the Arctic bivalves has been mainly formed by species of Atlantic origin and autochthonous species. Fedyakov and Naumov (1987) supposed that more than a half the Arctic species are of Atlantic origin. Sirenko (2001) also believed that the impact of the Atlantic on the faunistic composition of Arctic Eurasian seas was higher than that of the Pacific.…”

Section: Introductionmentioning

confidence: 99%

The ratio of species of Atlantic and Pacific origin in modern Arctic fauna of bivalve molluscs

2013

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The present work aims to estimate the ratio of species of the bivalve molluscs of the Atlantic and the Pacific origin in different geographical and bathymetrical regions of the Arctic basin. Seven shallow-water regions of the Arctic, with depths of 0300 m, (the Norwegian, Barents, Kara, Laptev, East Siberian, Chukchi and Beaufort Seas) and three deep-sea regions with depths exceeding 1000 m (the Norwegian and Greenland Basins, Nansen and Amundsen Basins, Canada Basins) are considered. For the identification of origin we combined fossil records with records of the distribution of living genera and, when possible, used molecular genetic data. The distribution patterns of 265 species from 132 genera were analysed. The share of species of Atlantic origin decreases in marginal Eurasian seas from the Norwegian Sea to the Chukchi Sea, and then increases in the Beaufort Sea. The share of species of Pacific origin is higher only in the Chukchi and Beaufort Seas, the species of the Atlantic and the Pacific origin are equally represented in the East-Siberian Sea. The share of species of the Atlantic origin is much higher in all deep-sea regions. Many taxa of bivalves that dispersed into the Arctic from the North Pacific also penetrated into the North Atlantic. In contrast, most taxa of the Atlantic origin remained in the Arctic Ocean, having stopped at the Bering Strait. Differences between the Arctic boundaries, the Arctic-Atlantic (the Greenland-Iceland-Faeroe Ridge) and the Arctic-Pacific (the Bering Strait) as barriers for dispersal are discussed.

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“…Wood and Whatley (1994) suggested two abyssal biogeographic regions: the Norwegian and the Arc-tic. Fedyakov and Naumov (1989) drew the region boundary across the Fram Strait (between the Norwegian-Greenland and Central Arctic Basins). Filatova (1962) suggested the boundary along the Lomonosov Ridge dividing the West Polar and the East Polar Abyssal Provinces.…”

Section: Deep-sea Basinsmentioning

confidence: 99%

“…Another simple case of mixed biotic/biocenotic approach is recognition of a crowding zone as independent biogeographic unit of transitional nature. For example, the Barents Sea shelf or its section are often recognized as a separate biogeographical province (Schmidt, 1904;Gurjanova, 1951;Filatova, 1957;Zenkevitch, 1963a, b;Nesis, 1982Nesis, , 1987Zinova, 1985;Fedyakov, Naumov, 1989;Golikov et al, 1990;Petryashov, 2009;Jirkov, Leontovich, 2012), whereas a pure biotic approach reveals in this area only a crowding zone (wide biogeographical boundary) without a status of separate unit. Naumov (2006) divided the White Sea into 10 hydrological areas.…”

Section: Shelvesmentioning

confidence: 99%

Biotic complexes of the Arctic Ocean

Миронов

2013

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Marine Bivalvia of the Arctic Ocean

Cited by 10 publications

References 7 publications

Marine centres of origin as evolutionary engines

Marine centres of origin as evolutionary engines

The ratio of species of Atlantic and Pacific origin in modern Arctic fauna of bivalve molluscs

Biotic complexes of the Arctic Ocean

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