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)
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Sumatran orangutan distribution shapefile prepared by Singleton and Wich and based on Wich et al. 2008 with unpublished data added.
Slope classes and elevations above 2000m generated from SRTM 90m DEM (available from the CGIAR website: http://srtm.csi.cgiar.org/); sensitive soil types on slopes of above 15% determined from 1:250,000 land unit soil map series published by the Pusat Penilitian Tanah dan Agroklimat, Bogor, 1990. Peat depth larger than 3 m adapted from Wetland International Indonesia.
Uploaded on Wednesday 01 Feb 2012
Areas that qualify for protection under Indonesian law
Riccardo Pravettoni, UNEP/GRID-Arendal
Under Indonesian law, areas that qualify for protection are based on slope (>40%), sensitive soil types, elevation (above 2000m), and peat land (>3m), thereby preventing any man-made development within most of the Sumatran orangutan’s habitat. Certain sensitive soil types, including deep peat, buffer zones along river banks and around other water sources, and the upper reaches of water catchment areas.