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Distribution and spawning areas of four fish species
Distribution and spawning areas of arctic cod, polar cod, herring and capelin in the Barents Sea region. The Barents region is in the Arctic and covers the area of Western Russia and the northern areas of Finland, Sweden...
21 May 2010 - by Philippe Rekacewicz, UNEP/GRID-Arendal
Simulated projections for Polar cod distribution with global warming
Polar cod (Boreogadus saida) was found to be sensitive to the warming scenarios and the model predicted that it would be extirpated in most of its range even under the milder warming scenario. This is due to its occurren...
01 May 2010 - by Hugo Ahlenius, UNEP/GRID-Arendal
Distribution and trends of wild Rangifer in the Arctic
Distribution and observed trends of wild Rangifer populations throughout the circumpolar Arctic (from The Circum Arctic Rangifer Monitoring and Assessment Network, CARMA). Note: Wild boreal forest reindeer have not been ...
01 May 2010 - by Hugo Ahlenius, UNEP/GRID-Arendal
Distribution and current trend of polar bear subpopulations throughout the circumpolar Arctic
Polar bears occur in 19 relatively discrete subpopulations with an estimated worldwide abundance of 20,000– 25,000 animals. Our knowledge of the status and trend of each subpopulation varies due to availability, reliabil...
01 May 2010 - by Hugo Ahlenius, UNEP/GRID-Arendal
Sturgeons distribution in the Black Sea
Illustration in a set of graphics prepared for a pilot assessment report on the Black Sea drainage basin, for the UNEP Global Impact on Waters Assessment (GIWA). All data and information were prepared in close collaborat...
07 Nov 2010 - by Philippe Rekacewicz, UNEP/GRID-Arendal
Distribution of coral, mangrove and seagrass diversity
Similar to corals, the region of greatest mangrove diversity is in Southeast Asia, particularly around the Indonesian Archipelago (Burke et al., 2001). There are three distinct areas of seagrass diversity in the Pacific ...
21 May 2010 - by Philippe Rekacewicz, UNEP/GRID-Arendal
Turbot distribution in the Black Sea
Illustration in a set of graphics prepared for a pilot assessment report on the Black Sea drainage basin, for the UNEP Global Impact on Waters Assessment (GIWA). All data and information were prepared in close collaborat...
07 Nov 2010 - by Philippe Rekacewicz, UNEP/GRID-Arendal
Distribution of common eider, breeding and wintering ranges in the Arctic
The common eider, Somateria mollissima, has a circumpolar distribution breeding mainly on small islands in Arctic and boreal marine areas in Alaska (Bering Sea region), Canada, Greenland, Iceland, western Europe, and the...
01 Nov 2010 - by Hugo Ahlenius, UNEP/GRID-Arendal
Arctic char species complex, distribution map
The Arctic char species complex, sensu stricto, represent a key component of the marine and freshwater ecosystems of the north. Chars are stressed by factors such as fisheries, climate change and pollutants. We are possi...
01 Nov 2010 - by Hugo Ahlenius, UNEP/GRID-Arendal
Coldwater coral reefs, distribution
Scientists are just beginning to learn about the many species in the remote, deep waters of the polar oceans. Corals, for example, are not limited to the warm, shallow waters of the tropics. They also exist in many cold,...
21 May 2010 - by Hugo Ahlenius, UNEP/GRID-Arendal
Distribution of lodgepole pine in Sweden
Forest distribution in Scandinavia is affected by several different species. This is to demonstrate the concentration of lodgepole pine (pinus contorta) in Sweden. The lodgepole pine is a tall, slender tree with a narrow...
21 May 2010 - by Philippe Rekacewicz, UNEP/GRID-Arendal
How the comb-jelly (Mnemiopsis leidyi) is spreading through European seas (invasive species)
The most threatening event for the Caspian ecosystem was the arrival of the North American comb jelly (Mnemiopsis leidyi). It was brought accidentally to the Caspian in the ballast water of oil tankers. Invasive and alie...
21 May 2010 - by Philippe Rekacewicz, UNEP/GRID-Arendal
Wolverine population in the Arctic
Wolverines occur in various distinct populations across the circumpolar region, ranging from Fennoscandia and the Russian Federation, Mongolia and China, through to Alaska, Canada, and some of the northernmost states of ...
01 Nov 2010 - by Riccardo Pravettoni, UNEP/GRID-Arendal
Red king crab native and invasive distribution
The red king crab is native to the Okhotsk and Japan Seas, the Bering Sea, and the northern Pacific Ocean, where it is an important economic resource. In Alaskan waters, red king crabs have historically been the second m...
13 Oct 2010 - by Riccardo Pravettoni, UNEP/GRID-Arendal
Marine mammals in the Arctic
Seven species of marine mammals live in the Arctic year-round – the bowhead whale, beluga whale, narwhal, ringed seal, beaded seal, walrus, and polar bear - and many more migrate to the Arctic seasonally. Many marine mam...
13 Oct 2010 - by Riccardo Pravettoni, UNEP/GRID-Arendal
Seal catches in the Arctic
Large-scale commercial harvests are restricted to harp and hooded seals, except for the hooded seal population in the Jan Mayen area of the Greenland Sea. Both species faced intense commercial hunting in the 19th and 20t...
13 Oct 2010 - by Riccardo Pravettoni, UNEP/GRID-Arendal
Murre colonies and human activities
The thick-billed murre and common murre have ranges 1,000,000 km2 and number in the millions or tens of millions of breeding pairs. However global populations are declining, although increases have occurred in some regio...
13 Oct 2010 - by Riccardo Pravettoni, UNEP/GRID-Arendal
Wild caribou (rangifer) herds and areas of reindeer husbandry
Distribution and observed trends of wild Rangifer populations throughout the circumpolar Arctic (from The Circum Arctic Rangifer Monitoring and Assessment Network, CARMA). Currently wild reindeer and caribou have decline...
01 Oct 2010 - by Hugo Ahlenius, UNEP/GRID-Arendal
The Arctic and the World - migration paths
The Arctic plays host to a vast array of biodiversity, including many globally significant populations. Included among these are more than half of the world´s shorebird species, 80% of the global goose populations, sever...
01 May 2010 - by Hugo Ahlenius, UNEP/GRID-Arendal
Protected areas and World Heritage sites in the Arctic (CAFF area)
Protected areas have long been viewed as a key element for maintaining and conserving Arctic biodiversity and the functioning landscapes upon which species depend. Arctic protected areas have been established in strategi...
01 Oct 2010 - by Hugo Ahlenius, UNEP/GRID-Arendal
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