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Use constraints
Using this graphic and referring to it is encouraged, and please use it in presentations, web pages, newspapers, blogs and reports. For any form of publication, please include the link to this page and give the cartographer/designer credit (in this case Riccardo Pravettoni, UNEP/GRID-Arendal)
Source(s)
Hillshade generated from SRTM 90m DEM available from the CGIAR website (http://srtm.csi.cgiar.org/).
Bathymetry from the ETOPO1 Global Relief Model downloaded from: http://www.ngdc.noaa.gov/mgg/global/global.html
Sumatran orangutan distribution shapefile prepared by Singleton and Wich and based on Wich et al. 2008 with unpublished data added.
Aquifer productivity digitzed from Sheet I and part of sheet II of the 1:1,000,000 Hydrogeological map of Indonesia published in 2004 by the Directorate of Geological and Mining Area Environment.
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Uploaded on Wednesday 01 Feb 2012
by GRID-Arendal
Hydrogeology
Year:
2011
Author:
Riccardo Pravettoni, UNEP/GRID-Arendal
Description:
Most of the Sumatran orangutan's forests inland play a key role in ensuring downstream freshwater supplies, since the non-alluvial inland areas of the region tend to have very little or no underlying groundwater resources.
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