Giam Siak Kecil-Bukit Batu Bioreserve

Extensive logging has led to a decline in forest cover from 78% in 1982 to 33% in 2005;[2] further reduction, at an average rate of 160,000 hectares per annum, has resulted in 22% left as of 2009.

[3] 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.

[4] Other flagship species include the sun bear, clouded leopard, marbled cat, Malayan tapir, and hairy-nosed otter.

[8] CB-GSK-BB was initiated by private parties in cooperation with the government through BBKSDA (The Center for the Conservation of Natural Resources); major stakeholders include the Sinar Mas Group, a conglomerate which owns the largest paper and pulp company in Indonesia.

[9] The company marked Earth Day 2012,[10] and the reserve has won accolades and acclaim from the press and United Nations, among other groups, yet issues of air quality in the surrounding area as well as in Kuala Lumpur in neighbouring Malaysia are unresolved.

The green area approximates the area covered by the preserve, with the red area being Dumai city (kota), within Riau province. Pekan Baru , the capital and one of the fastest growing cities in the country, is located just south west of the preserve.