Risk of Human induced desertification

Submitted by francob12 on Tue, 07/17/2012 - 10:27
Source

US Department of Agriculture, Natural Resources Conservation Service, Soil Survey Division, World Soil Resources

 

  • Orange and red show the areas where the risk of human induced desertification is higher. As it can be immediately seen, the most affected areas are along the equator line in Africa. Developing countries such as India and the Middle East and Eastern Europe are also thought to be affected.
  • This also goes together with natural deforestation and desertification.
  • Desertification and droughts are major causes of ecosystem losses and species mass migration or extinction.
Level
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Global Average Sea Level Rise 1990-2100

Submitted by francob12 on Tue, 07/17/2012 - 10:22
Source

IPCC

 

  • Not only does the melting of ice caps lead to a direct ecosystem loss, it also has, together with the melting of glaciers, an effect on the rise of the average sea level.
  • Sea level rise impacts directly all those costal environments and ecosystems. Many islands would potentially disappear.
Level
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Observed and Projected Arctic Ice Cap Loss

Submitted by francob12 on Tue, 07/17/2012 - 10:15
Source

NASA; IPCC

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  • Since 1979 more than 20% of the Polar ice cap has melted away.
  • Satellite observations show a very dramatic and worrying trend with a melting of the Arctic ice cap of about 30%. If this trend followed, all the ice cap would probably melt by the end of this decade.
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