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Giam Siak Kecil-Bukit Batu
Giam Siak Kecil-Bukit Batu (Indonesian: ''Cagar Biosfer Giam Siak Kecil Bukit Batu'' or CB-GSK-BB) is a peatland area in Riau Province of Sumatra, covering and large parts of Bengkalis Regency and Siak Regency. It is a declared UNESCO Man and the Biosphere Reserve and supports a sustainable timber industry. It is home to two wildlife reserves, namely Giam Siak Wildlife Reserve and Bukit Batu Wildlife Reserve; flagship species include the Sumatran elephant and Sumatran tiger.
==History==
The biosphere reserve is located in a province that has seen widespread forest destruction. Extensive logging has led to a decline in forest cover from 78% in 1982 to 33% in 2005; further reduction, at an average rate of 160,000 hectares per annum, has resulted in 22% left as of 2009. Deforestation has left the region vulnerable to intensifying flooding and landslides and has supported the highest of Indonesia's provincial population growth rates due to migration. Cleared land for palm oil and paper has led to not only perennial haze over the province, but also in Kuala Lumpur in Malaysia. The UNESCO Man and the Biosphere Reserve was created in 2009.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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