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Global Methodology for Mapping Human Impacts on the Biosphere (GLOBIO-3)
Uploaded on Saturday 25 Feb 2012
Relative biodiversity scenarios for deserts 2000-2050
Hugo Ahlenius, UNEP/GRID-Arendal
The relative species abundance, as a ratio of the biodiversity before the advent of man, is high in desert areas. The areas are relatively pristine and has seen little changes induced by human activities. Impacts are most clearly seen at the edges of deserts, in the basins of western North America, along Baja California, and in the drylands of Central Asia and the inland Far East. The graphic is using the IPCC SRES A2 experiment as a parameter.