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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/).
Forest layer interpreted by PanEco/ YEL, 2010 from Landsat 5 TM, 2009 and Landsat ETM 7 filled, 2010.
Tata, H.L. and van Noordwijk M. 2010. Human Livelihoods, Ecosystem Services and the Habitat of the Sumatran Orangutan: Rapid Assessment in Batang Toru and Tripa. Bogor, Indonesia: World Agro-forestry Centre/ICRAF Southeast Asia Regional Office.
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Uploaded on Wednesday 01 Feb 2012
by GRID-Arendal
Land cover change in Batang Toru
Year:
2011
Author:
Riccardo Pravettoni, UNEP/GRID-Arendal
Description:
Migration from the island of Nias to the West Batang Toru forests over the last two decades has been largely spontaneous. These settlers have opened up primary forests for agriculture and hunt many species of local wildlife, including orangutans. Currently at least eight Nias communities have been established inside the protected forest in the Batang Toru area, leading to the loss of more than 2,200 ha of orangutan forest habitat in specifically the south-western corner of the area.
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