Ocean temperature oscillations enable reappearance of blue mussels Mytilus edulis in Svalbard after a 1000 year absence

Berge, Jørgen; Johnsen, Geir; Nilsen, Frank; Gulliksen, Bjørn; Slagstad, Dag

doi:10.3354/meps303167

Cited by 244 publications

(207 citation statements)

References 30 publications

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“…When these currents warm or become stronger, new species may find their way north. Such was likely the case for the reappearance of the blue mussel on Spitsbergen after an apparent absence of over 1000 years (Berge et al, 2005(Berge et al, , 2006. Thus, under future climate change, increased spreading of boreal species to the north is expected.…”

Section: Effects Of Advective Changes On Benthosmentioning

confidence: 99%

“…It is the main source of spreading of boreal taxa with subsequent reductions in Arctic fauna, which largely occurs in inflow shelf regions (Berge et al, 2005;Grebmeier, 2012;Renaud et al, 2015). This spreading may be through direct transport of benthic organisms by the currents or indirectly through current-driven hydrographic changes that provide suitable habitat to allow certain benthic organisms to expand their geographic boundaries, or both.…”

Section: Impacts Of Advection On Arctic Benthosmentioning

confidence: 99%

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Advection in polar and sub-polar environments: Impacts on high latitude marine ecosystems

Hunt

Drinkwater

Arrigo

et al. 2016

Progress in Oceanography

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a b s t r a c tWe compare and contrast the ecological impacts of atmospheric and oceanic circulation patterns on polar and sub-polar marine ecosystems. Circulation patterns differ strikingly between the north and south. Meridional circulation in the north provides connections between the sub-Arctic and Arctic despite the presence of encircling continental landmasses, whereas annular circulation patterns in the south tend to isolate Antarctic surface waters from those in the north. These differences influence fundamental aspects of the polar ecosystems from the amount, thickness and duration of sea ice, to the types of organisms, and the ecology of zooplankton, fish, seabirds and marine mammals. Meridional flows in both the North Pacific and the North Atlantic oceans transport heat, nutrients, and plankton northward into the Chukchi Sea, the Barents Sea, and the seas off the west coast of Greenland. In the North Atlantic, the advected heat warms the waters of the southern Barents Sea and, with advected nutrients and plankton, supports immense biomasses of fish, seabirds and marine mammals. On the Pacific side of the Arctic, cold waters flowing northward across the northern Bering and Chukchi seas during winter and spring limit the ability of boreal fish species to take advantage of high seasonal production there. Southward flow of cold Arctic waters into sub-Arctic regions of the North Atlantic occurs mainly through Fram Strait with less through the Barents Sea and the Canadian Archipelago. In the Pacific, the transport of Arctic waters and plankton southward through Bering Strait is minimal.In the Southern Ocean, the Antarctic Circumpolar Current and its associated fronts are barriers to the southward dispersal of plankton and pelagic fishes from sub-Antarctic waters, with the consequent evolution of Antarctic zooplankton and fish species largely occurring in isolation from those to the north. The Antarctic Circumpolar Current also disperses biota throughout the Southern Ocean, and as a result, the biota tends to be similar within a given broad latitudinal band. South of the Southern Boundary of the ACC, there is a large-scale divergence that brings nutrient-rich water to the surface. This divergence, along with more localized upwelling regions and deep vertical convection in winter, generates elevated nutrient levels throughout the Antarctic at the end of austral winter. However, such elevated nutrient levels do not support elevated phytoplankton productivity through the entire Southern Ocean, as iron concentrations are rapidly removed to limiting levels by spring blooms in deep waters. However, coastal http://dx

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Section: Effects Of Advective Changes On Benthosmentioning

confidence: 99%

Section: Impacts Of Advection On Arctic Benthosmentioning

confidence: 99%

Advection in polar and sub-polar environments: Impacts on high latitude marine ecosystems

Hunt

Drinkwater

Arrigo

et al. 2016

Progress in Oceanography

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“…Climate warming may allow northward expansion of boreal species, as has recently been observed in the North Atlantic and the Barents Sea (Berge et al, 2005) and as was documented following the warming period in the 1930s and 1940s (reviewed in Drinkwater, 2005). Recent evidence suggests that some fish species, including Atlantic mackerel (Scomber scomber) and blue whiting, are increasing in abundance in the Barents Sea during the current warming period (Anon, 2004(Anon, , 2005.…”

Section: Mechanisms Suggesting Increases In Productivitymentioning

confidence: 99%

The Barents and Chukchi Seas: Comparison of two Arctic shelf ecosystems

Hunt

Blanchard

Boveng

et al. 2013

Journal of Marine Systems

142

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“…These animals may follow major environmental driving forces in the area: fluctuations in Atlantic water inflow to the Svalbard shelf and the Fram Strait (Walczowski and Piechura 2006) and instability in pack ice and fast ice cover (ACIA 2005). Coastal water fauna have received much less attention in this respect (bioindicators) than have the shelf and offshore benthos Berge et al 2005;Renaud et al 2011;Włodarska-Kowalczuk et al 2012). Nevertheless, in view of the massive change in the distribution of tidal glaciers (melting, discharge of sediment-laden freshwater, and the uncovering of new areas of the seabed), the fjords are interesting sites for studying the occurrence patterns of megafauna.…”

Section: Introductionmentioning

confidence: 99%

Recent distribution of Echinodermata species in Spitsbergen coastal waters

Deja¹,

Węsławski²,

Borszcz³

et al. 2016

Polish Polar Research

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Thirty-two species of echinoderms from epibenthic sledges, dredges, scuba diving, and other samples (in total: 467 samples and c. 20 000 specimens) from fjords and coastal waters off Spitsbergen were analysed between 1996 and 2014. The most numerous group of echinoderms in the coastal waters off Spitsbergen is brittle stars (78% of the total individuals). The echinoderms do not form any clear assemblages according to depth or distance from glacial sedimentation and substrate. Some species prefer hard bottom (Strongylocentrotus droebachiensis) or water free from glacial suspensions (Ophiopholis aculeata). In contrast to the species listed above, we also found opportunistic species such as the starfish Urasterias lincki and the brittle star Ophiocten sericeum. These two species are distributed quite uniformly, regardless of the environmental factors. The majority of the species prefer a soft bottom below 200 m.

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Ocean temperature oscillations enable reappearance of blue mussels Mytilus edulis in Svalbard after a 1000 year absence

Cited by 244 publications

References 30 publications

Advection in polar and sub-polar environments: Impacts on high latitude marine ecosystems

Advection in polar and sub-polar environments: Impacts on high latitude marine ecosystems

The Barents and Chukchi Seas: Comparison of two Arctic shelf ecosystems

Recent distribution of Echinodermata species in Spitsbergen coastal waters

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