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Tag: Tundra

Climate feedbacks - the connectivity of the positive ice/snow albedo feedback, terrestrial snow and vegetation feedbacks and the negative cloud/radiation feedback
Feedback refers to the modification of a process by changes resulting from the process itself. Positive feedbacks accelerate the process, while negative feedbacks slow it down. Part of the uncertainty around future clima...
01 Jun 2007 - by Hugo Ahlenius, UNEP/GRID-Arendal
Increases in annual temperatures for a recent five-year period, relative to 1951-1980
Warming is widespread, generally greater over land than over oceans, and the largest gains in temperatures for the planet are over the North American Arctic, north central Siberia, and on the Antarctic Peninsula. These r...
18 Apr 2007 - by Hugo Ahlenius, UNEP/GRID-Arendal
Protected areas the Barents Region
There are pristine wilderness and unspoiled field and tundra landscapes, and the air and water in most parts of the Region is mainly clean. Several areas are protected for scientific research, park areas, and nature rese...
14 Sep 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
Arctic, topography and bathymetry (topographic map)
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 Hugo Ahlenius, UNEP/GRID-Arendal
Arctic, topography and bathymetry
(See http://maps.grida.no/go/graphic/arctic-topography-and-bathymetry1 for an updated version of this map) The Arctic is extremely diverse in terms of landscapes, varying from pack and drift ice to rugged shores, flat co...
04 Oct 2005 - by Hugo Ahlenius, UNEP/GRID-Arendal
Landcover - Europe and Central Asia
The Western part of the Eurasian continent, has some of the most populated and fertile parts of the World. Central Europe is densely populated, with few remaining fragments of undisturbed habitat, except for the mountain...
04 Oct 2005 - 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
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...
01 Jul 2006 - by Hugo Ahlenius, UNEP/GRID-Arendal
Landcover - Europe and Central Asia
The Western part of the Eurasian continent, has some of the most populated and fertile parts of the World. Central Europe is densely populated, with few remaining fragments of undisturbed habitat, except for the mountain...
04 Oct 2005 - by Hugo Ahlenius, UNEP/GRID-Arendal
Arctic, topography and bathymetry
(See http://maps.grida.no/go/graphic/arctic-topography-and-bathymetry1 for an updated version of this map) The Arctic is extremely diverse in terms of landscapes, varying from pack and drift ice to rugged shores, flat co...
18 Dec 2006 - by Hugo Ahlenius, UNEP/GRID-Arendal
Nenets Autonomous Okrug, reference map
Nenets Autonomous Okrug is an administrative region in Arctic Northwest Russia, covering some 176000 sq km of tundra and marshland. The capital city of the region is Narian-Mar. Off the coast are parts of the Arctic ocea...
17 Mar 2006 - by Hugo Ahlenius, UNEP/GRID-Arendal
Nenets Autonomous Okrug, reference map
Nenets Autonomous Okrug is an administrative region in Arctic Northwest Russia, covering some 176000 sq km of tundra and marshland. The capital city of the region is Narian-Mar. Off the coast are parts of the Arctic ocea...
07 Oct 2005 - by Hugo Ahlenius, UNEP/GRID-Arendal
Arctic map, political
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...
07 Oct 2005 - by Hugo Ahlenius, UNEP/GRID-Arendal
Human impact: Barents region 2002
The greater region around the Barents Sea, with parts of Norway, Finland, Sweden and Russia, represents one of the most populated areas of the Arctic. The development of roads and other infrastructure fragments the fragi...
01 Nov 2002 - by Hugo Ahlenius, UNEP/GRID-Arendal
Human impact: Barents region 2032 (sustainability first scenario)
The greater region around the Barents Sea, with parts of Norway, Finland, Sweden and Russia, represents one of the most populated areas of the Arctic. The development of roads and other infrastructure fragments the fragi...
01 Nov 2002 - by Hugo Ahlenius, UNEP/GRID-Arendal
Human impact on the Arctic environment 2002
Human activities influence the environment and reduce the value of forests, tundra and plains in terms of original biodiversity and habitat. Primarily larger mammals are hit by the fragmentation caused by roads and pipel...
26 Jan 2006 - by Hugo Ahlenius, UNEP/GRID-Arendal
Human impact: Barents region 2032 (policy first scenario)
The greater region around the Barents Sea, with parts of Norway, Finland, Sweden and Russia, represents one of the most populated areas of the Arctic. The development of roads and other infrastructure fragments the fragi...
01 Nov 2002 - by Hugo Ahlenius, UNEP/GRID-Arendal
Human impact on the Arctic environment 2032 (markets first scenario)
Human activities influence the environment and reduce the value of forests, tundra and plains in terms of original biodiversity and habitat. Primarily larger mammals are hit by the fragmentation caused by roads and pipel...
26 Jan 2006 - by Hugo Ahlenius, UNEP/GRID-Arendal
Impact of human activities on reindeer habitat - Barents region
The impact of infrastructure development on reindeer potentially threatens the cultural traditions of the Barents region indigenous people and their chosen way of life. The probability of impact on wildlife, vegetation a...
26 Jan 2006 - by Philippe Rekacewicz, Julien Rouaud, UNEP/GRID-Arendal
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