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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)
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Sumatran orangutan distribution shapefile prepared by Singleton and Wich and based on Wich et al. 2008 with unpublished data added. Shapefile for lakes digitized by PanEco/YEL from Landsat mosaics (see above overview). Rainfall layer adapted from Grid (1km) of Average Annual Rainfall (Zone29) downloaded from the WorldClim website (http://www.worldclim.org).