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Ecological zones Ecological zones
Sumatran orangutans occur in two main forest habitats, those on dryland mineral soils and those on wet coastal peat. The three main peat areas are Singkil, Kluet and Tripa on the west coast of Aceh province.
13 Sep 2011 - by Riccardo Pravettoni, UNEP/GRID-Arendal
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Land use types that replaced forest in the Leuser Ecosystem during 1985-2007 Land use types that replaced forest in the Leuser Ecosystem during 1985-2007
The main driver for forest loss on peat areas in the Leuser Ecosystem was oil palm development between 1985 and 2007, while for forest on non-peatlands other land uses than oil palm contributed more to land use changes.
13 Sep 2011 - by Riccardo Pravettoni, UNEP/GRID-Arendal
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Land cover change in Tripa, Indonesia Land cover change in Tripa, Indonesia
In the Tripa peat swamps, companies are operating seven large concessions of between 3,000 and 13,000 hectares. They are converting the remaining forests on peatlands into oil palm plantations. The concessions cover more than 75 percent of Tripa’s total area of 62,000 hectares. While almost certainly hosting as many as 1,000 orangutans or more in the early 1990s, when still covered in pristine peat swamp forest, there are thought to be less than ...
13 Sep 2011 - by Riccardo Pravettoni, UNEP/GRID-Arendal
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Lesser White-fronted Goose migratory routes in Eurasiah Lesser White-fronted Goose migratory routes in Eurasiah
The globally threatened Lesser White-fronted Goose is a Palearctic migrant, breeding discontinuously in forest- or shrub tundra and mountainous shrubby wetlands from Fennoscandia to easternmost Russia. The species has declined rapidly since the 1950s leading to a fragmentation of its breeding range. Many key stop-over and wintering sites are still unknown. Today, three distinct wild sub-populations remain, of which the two Western Palearc...
15 Nov 2011 - by Riccardo Pravettoni, UNEP/GRID-Arendal
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