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Region: geoarctic

Arctic sea ice minimum extent in September 1982, 2005 and 2007
The red line indicates the median minimum extent of the ice cover for the period 1979–2000. This figure compares the Arctic sea ice extent in September for the years 1982 (the record maximum since 1979), 2005 and 2007 (t...
18 Apr 2007 - by Hugo Ahlenius, UNEP/GRID-Arendal
Ringed seal pupping lair, with the pup in the lair and the female approaching the haul-out hole from the water
Ringed seals are the 'classic' Arctic seal in many regards, being found as far north as the Pole because of their ability to keep breathing holes open in ice that can reach 2 metres in depth. This species is certainly on...
01 Nov 2007 - by Robert Barnes, UNEP/GRID-Arendal
Changes in biodiversity and ecosystems based on human impact 1990-2050
Modelling, using the GLOBIO1 model, over the Arctic, assessing the impacts on the environment based on infrastructure development between 1990 and 2050 in three different scenarios. The development of roads, pipelines an...
26 Jan 2006 - by Even Husby, Julien Rouaud, UNEP/GRID-Arendal
Transport routes of POP and concerned areas
Persistent organic pollutants (POPs) mainly Polychlorinated Biphenyls (PCB) and hexachlorocyclohexane (HCH), are brought into the Barents region and the whole of the Arctic region from many different locations.
04 Oct 2005 - by Philippe Rekacewicz, UNEP/GRID-Arendal
Dominating air currents
The pollution from industrialized nations are affecting the environment in the Arctic region. The main areas of indutrial activity in the northern hemisphere are spreading to specific areas in the Arctic though air curre...
04 Oct 2005 - by UNEP/GRID-Arendal
Ocean currents and sea ice extent
Arctic Ocean circulate in a large clockwise rotational pattern moving from east to west around the polar ice cap. This rotating pattern, known as a gyre, occurs as a result of the clockwise winds that typically occur in ...
04 Oct 2005 - by Philippe Rekacewicz, UNEP/GRID-Arendal
Major global bird migration routes to the Arctic
Bird species that migrate to the Arctic coasts and wetlands arrive from nearly every corner of the planet. During the summer, the sun never or nearly never sets, resulting in a short but intensive breeding season when m...
17 May 2005 - by Hugo Ahlenius, UNEP/GRID-Arendal
The decrease of Arctic sea ice, minimum extent in 1982 and 2007, and climate projections [Norwegian]
Sattelite observations of the september extent of sea ice in the Arctic shows in 2007 shows a 23% decrease from the previous minimum, in 2005, and 39% below the average minimum extent for the time period 1979-2000. The b...
28 Sep 2005 - by Hugo Ahlenius, UNEP/GRID-Arendal
Major River Systems in the Arctic
The Arctic has several of the world’s largest rivers.This graphic shows the major river systems of the Arctic and their annual discharges in cubic kilometres, and the catchment area of the Arctic Ocean. The major river s...
28 Sep 2005 - by CAFF (Conservation of Arctic Flora and Fauna); see source field
Arctic pelagic food web
The marine animal food chain is very complex and multilayered as are most food chains. This is a quick reference to represent the complete food chain in regards to pelagic crustaceans and invertebrates.
28 Sep 2005 - by UNEP/GRID-Arendal
Coastal Arctic food web (drift ice)
The coastal Arctic food web is closely related to drift ice conditions and seasonal use of shorelines by both terrestrial and sea mammals. Numerous species depend upon each other and the transport of food to and from the...
28 Sep 2005 - by UNEP/GRID-Arendal
The decrease of Arctic sea ice, minimum extent in 1982 and 2007, and climate projections
Sattelite observations of the september extent of sea ice in the Arctic shows in 2007 shows a 23% decrease from the previous minimum, in 2005, and 39% below the average minimum extent for the time period 1979-2000. The b...
01 Dec 2007 - by Hugo Ahlenius, UNEP/GRID-Arendal
Arctic, topography and bathymetry
The Arctic is extremely diverse in terms of landscapes, varying from pack and drift ice to rugged shores, flat coastal plains, rolling hills and mountains surpassing 6000 metres above sea level (Denali, 6,194 m asl, in s...
04 Oct 2005 - by Philippe Rekacewicz, UNEP/GRID-Arendal
National level of protection of major Arctic vegetation zones
The Arctic region has varying levels of protected areas that correspond to different vegetation zones. This is from a report by Conservation of Arctic Flora and Fauna (CAFF), Habitat Conservation Report No. 2.
13 Feb 2006 - by UNEP/GRID-Arendal
Protected Areas in North Scandinavia and Northwest Russia
In 1996 several areas were already protected by various agreements and several more were proposed, some were very early in construction as size and exact boundaries were not known. The area covers Northern Norway, Sweden...
13 Feb 2006 - by UNEP/GRID-Arendal
Arctic bathymetry and topography
Shows bathymetry and topography for the Arctic region as done for the Conservation of Arctic Flora and Fauna (CAFF), Habitat Conservation Report No. 2: Proposed Protected Areas in the Circumpolar Arctic 1996.
01 Nov 2006 - by UNEP/GRID-Arendal
Coastal and Marine Protected Areas
This graphic includes marine protected areas and protected areas with major or minor marine components. This was part of the the Conservation of Arctic Flora and Fauna (CAFF), Habitat Conservation Report No. 2.
13 Feb 2006 - by UNEP/GRID-Arendal
Existing and Proposed Protected Areas
The areas that were protected in 1996 are shown on a complete map of the circumpolar area of the world along side with the proposed protected areas. The countries inclused in the information are: Canada, Finland, Greenla...
13 Feb 2006 - by UNEP/GRID-Arendal
Protected areas of the Arctic
Conservation of Arctic Flora and Fauna (CAFF), Habitat Conservation Report No. 2 shows the areas in the Arctic which have been protected by various governmental treaties and declarations (As of 1996 IUCN classification)....
13 Feb 2006 - by UNEP/GRID-Arendal
Arctic vegetation zones
Distribution of major vegetation zones and level of protection in the Arctic is shown based on the percentage of area covered. This is part of a report by the Conservation of Arctic Flora and Fauna (CAFF).
13 Feb 2006 - by UNEP/GRID-Arendal
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