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Tag: Analysis

Greenland, showing rates of surface-elevation change between the late 1990s and 2003
Mass-balance estimates for Greenland show thickening at high elevations since the early 1990s at rates that increased to about 4 cm per year after 2000, consistent with expectations of increasing snowfall in a warming cl...
18 Apr 2007 - by Hugo Ahlenius, UNEP/GRID-Arendal
Human impact, Arctic Russia 2002 and scenarios
Presentation of impact analysis from the Europe and Asia GLOBIO2 analysis and scenarios prepared for the GEO-3 publication. Much of Arctic Russia is very sparsely populated and will remain one of the World's few wilderne...
26 Jan 2006 - by Hugo Ahlenius and Robert Barnes, UNEP/GRID-Arendal
Human impact, Norway 2002-2050 (with protected areas)
Analysis of the suggested development of impact on ecosystems through human activities. The GLOBIO-2 model uses settlements and infrastructure, such as roads, pipelines and powerlines as proxies for stress and fragmentat...
26 Jan 2006 - by Hugo Ahlenius, UNEP/GRID-Arendal
Human impact, Northern Norway 1600 and 2002-2052
Analysis of the suggested development of impact on ecosystems through human activities. The GLOBIO-2 model uses settlements and infrastructure, such as roads, pipelines and powerlines as proxies for stress and fragmentat...
26 Jan 2006 - by Hugo Ahlenius, UNEP/GRID-Arendal
Human Impact, Southern Norway 2002
Presentation of impact analysis from the Europe GLOBIO2 analysis and scenarios prepared for the GEO-3 publication. In addition to the human impact on the mountains of Southern Norway this also displays selected protected...
26 Jan 2006 - by Hugo Ahlenius, UNEP/GRID-Arendal
Human Impact, Southern Norway 2052
Presentation of impact analysis from the Europe GLOBIO2 analysis and scenarios prepared for the GEO-3 publication. In addition to the human impact on the mountains of Southern Norway this also displays selected protected...
26 Jan 2006 - by Hugo Ahlenius, UNEP/GRID-Arendal
Rainwater partitioning in India
India is facing a food supply challenge with more than one billion inhabitants, and out of them 35% below the poverty line. This analysis of the rainwater partitioning show that there is room for India to use more water ...
20 Sep 2005 - by Hugo Ahlenius, UNEP/GRID-Arendal
Loss of Great Ape habitat 2002-2032 (Africa)
Based on population pressures the GLOBIO2 model has assessed the current and future human impacts on Great Ape habitat in Africa (Chimpanzee, Bonobo and Gorilla). The analysis shows a vast reduction of some of the world'...
02 Nov 2006 - by Hugo Ahlenius, UNEP/GRID-Arendal
Human impact - Asian continent
Continental Asia is a hotspot for both biodiversity, wilderness abut also home to a majority of the World's population. The GLOBIO analysis shows that this region has seen quite significant human impacts, but with remain...
04 Oct 2005 - by Torstein Olsen and Einar Lieng, Statens Kartverk (for UNEP/GRID-Arendal)
Human impact - Africa
Africa is home to some of the greatest wilderness areas in the world, as well as some of the greatest biodiversity hotspots. The GLOBIO analysis shows that the great deserts and the Central African rain forests have huge...
27 Feb 2005 - by Torstein Olsen and Einar Lieng, Statens Kartverk (for UNEP/GRID-Arendal)
Human impact - Asian continent
Continental Asia is a hotspot for both biodiversity, wilderness abut also home to a majority of the World's population. The GLOBIO analysis shows that this region has seen quite significant human impacts, but with remain...
26 Jan 2006 - by Torstein Olsen and Einar Lieng, Statens Kartverk (for UNEP/GRID-Arendal)
Human impact - Africa
Africa is home to some of the greatest wilderness areas in the world, as well as some of the greatest biodiversity hotspots. The GLOBIO analysis shows that the great deserts and the Central African rain forests have huge...
26 Jan 2006 - by Torstein Olsen and Einar Lieng, Statens Kartverk (for UNEP/GRID-Arendal)
Human Impact on biodiversity - Latin America
Latin America has vast tracts of sparsely populated areas of high biodiversity, in the Amazon and the Andes for instance. The GLOBIO analysis shows that these areas have seen little human impact, while the coasts and the...
26 Jan 2006 - by Torstein Olsen and Einar Lieng, Statens Kartverk (for UNEP/GRID-Arendal)
Human Impact - Europe and the Near East
The assessment and modelling of current impact on wilderness show that there are few areas in Europe proper that have seen little human impact - it is all broken up by roads thus lowering the value of habitats primarily ...
26 Jan 2006 - by Torstein Olsen and Einar Lieng, Statens Kartverk (for UNEP/GRID-Arendal)
Loss of Great Ape habitat 2002-2032 (Africa)
Based on population pressures the GLOBIO2 model has assessed the current and future human impacts on Great Ape habitat in Africa (Chimpanzee, Bonobo and Gorilla). The analysis shows a vast reduction of some of the world'...
26 Jan 2006 - by Hugo Ahlenius, UNEP/GRID-Arendal
Protected areas and wilderness
Wilderness areas in the Arctic, representing vast expanses of tundra and taiga that sees very little human disturbance and stress have been determined by an analysis prepared by the UN Environment Programme World Conserv...
06 Dec 2006 - by Hugo Ahlenius, UNEP/GRID-Arendal
Barents Sea vulnerability index
Areas that are vulnerable to pollution from oil and chemical spills where identified using a multiple index in a geographical analysis. Factors, including shoreline sensitivity, corals, benthic conditions, sea birds, mar...
06 Dec 2006 - by Hugo Ahlenius, UNEP/GRID-Arendal
Change in the age of ice on the Arctic Ocean, comparing September ice ages in 1988, 1990, 2001 and 2005
The age of sea ice in the Arctic is changing, and not only the extent and concentrations. Studies show that in recent years there is a higher proportion of younger ice to older ice than was observed in the late 1980s. Th...
01 Jun 2007 - by Hugo Ahlenius, UNEP/GRID-Arendal
Trends in spring snow cover duration for the Northern Hemisphere, 1970-2004
Examination of regional trends in spring snow-cover duration from 1969–2003 using NOAA snow-cover data shows the western United States to be among the regions with the strongest decreases. This supports results from stud...
01 Jun 2007 - by Hugo Ahlenius, UNEP/GRID-Arendal
Ratio of existing ski areas in the Alps with natural snow-reliability under current conditions and warmer conditions
Winter tourism is a significant part of the economy of Alpine countries and the most important source of income in many regions. In Austria, winter tourism revenue makes up 4.5 per cent of GNP and half of the total incom...
01 Jun 2007 - by Hugo Ahlenius, UNEP/GRID-Arendal
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