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Biotic components

BarentsPortal

The Joint Norwegian-Russian Environmental Status Report for the Barents Sea

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May 23rd
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Biotic components

Benthos - The distribution of main bottom communities

Benthos - The distribution of main bottom communities

Based on the Brotskaya and Zenkevich (1939) investigation, six main bottom community areas within the open part of the Barents Sea was defined. The south western Barents Sea (I, red area in figure 2.4.11) was characterized by its high abundance of boreal species and predominance of seston-feeders in biomass, whereas the central Barents Sea (II, light blue area in figure 4), at an average depth about 200m and on sandy silt, has a rather low biomass compared to other communities in the Barents Sea.

Last Updated ( Friday, 22 January 2010 11:45 )

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Shellfish - Deep sea shrimp (Pandalus borealis)

Shellfish - Deep sea shrimp (Pandalus borealis)

The deep sea shrimp (Pandalus borealis, also called deepwater shrimp or Northern shrimp) are distributed in most deep waters of the Barents Sea and Spitsbergen. The densest concentrations are found in the central region of the Barents Sea, Hopen Deep, Thor Iversen Bank and near the western Murman coast at depths from 200 to 350 meters. Regular fishery for the Northern shrimp in the Barents Sea and...

Last Updated ( Friday, 22 January 2010 11:45 )

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Shellfish - Iceland scallop (Chlamys islandica)

The Iceland scallop is a slow growing species common in all shallow areas (< ca 150 m) both in the Spitsbergen area as well as along the coastal waters of Kola Peninsula and Northern Norway (Wiborg, 1962; 1968; Rubach and Sundet, 1987).  It is usually associated with hard bottom substrate and most commonly in areas with strong currents (Wiborg, 1962).  The scallop is a filterfeeder and is there...

Last Updated ( Friday, 22 January 2010 11:45 )

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Shellfish - Snow crab (Chionoecetes opilio)

Shellfish - Snow crab (Chionoecetes opilio)

The snow crab is native to waters in Alaska, the east coast of Canada and west of Greenland, and is therefore an invasive species in the Barents Sea. Throughout 2008, new recordings of this crab have been done in the western part of the Barents Sea, and it seems that this species will achieve a more northerly distribution than the red king crab.

Last Updated ( Friday, 22 January 2010 11:45 )

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Shellfish - Red king crab (Paralithodes camtschaticus)

The red king crab (Paralithodes camtschaticus) was deliberately introduced to the Barents Sea at several locations during the 1960s and 1970s from the northern part of the Pacific (Olav and Ivanovo, 1978). It has continuously spread to new areas and is now distributed from the Kluge Island to east, the Goose Bank to north, and west to Lofoten and Kvænangen to west along the Norwegian coast. The ex...

Last Updated ( Friday, 22 January 2010 11:46 )

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Status Report. The authors

Puffins in the Barents Sea. Photo NP 

More than 100 experts from a total of 9 Russian and 20 Norwegian institutions have participated in the preparation of the report, and the work has been organized in 13 expert groups. The work has been led by Sevmorgeo and PINRO on Russian side and on Norwegian side by the Institute of Marine Research and the Norwegian Polar Institute..

Find author name here...

The Russian - Norwegian cooperation

Waving kelp at the Norwegian coast. Photo IMR

BarentsPortal is a project developed under the Joint Russian - Norwegian Commission on Environmental Cooperation. The joint environmental report is a co-operation project between the Joint Russian - Norwegian Commission on Environmental Cooperation and the Joint Russian-Norwegian Fisheries Commission

Read about Joint Russian - Norwegian Commission on Environmental Cooperation (unfortunately only in Norwegian - please use web based translation)

Read about the Joint Russian-Norwegian Fisheries Commission

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