Batang Ai-Lanjak-Entimau

The greater Batang Ai-Lanjak-Entimau landscape comprises core protected areas, including the Batang Ai National Park and the Lanjak-Entimau Wildlife Sanctuary, flanked by proposed protected area extensions and non-protected orangutan habitats including communal areas (for farming and tourism), logging concessions, and agroforestry plantations.

The core habitats of the Batang Ai-Lanjak-Entimau Landscape have the best prospect for long-term survival of orangutans in Sarawak. Since 2011, orangutans have been documented in non-protected areas around the greater Batang Ai-Lanjak-Entimau Landscape. These include (a) the proposed Batang Ai National Park extensions (up to 81 square kilometres), (b) Ulu Sungai Menyang (140 square kilometres) which is contiguous to the Batang Ai National Park, and (c) Ta Ann Group’s Pasin Forest Management Unit (1,322 square kilometres) which is next to the Lanjak-Entimau Wildlife Sanctuary. In 2015, the Sarawak Government reaffirmed its commitment to conserve orangutans especially by creating a huge area of forest as orangutan reserves. Since 2021, the Premier of Sarawak committed towards the preservation of six million hectares of land as permanent forests and one million hectares as Totally Protected Areas under the Sarawak’s Post COVID-19 Development Strategy 2030. This included the proposed Ulu Sungai Menyang as a Conservation Area with High Conservation Value Forest (HCVF), as the site has a globally significant orangutan population. 

The Batang Ai-Lanjak-Entimau Landscape is also ecologically important as a critical habitat for other charismatic species such as helmeted hornbills, clouded leopards, sun bears, bearded pigs and Sunda pangolins. However, current biological baseline and threat assessment data on these high-value traded species at the Batang Ai-Lanjak-Entimau Landscape are still deficient. Despite their unknown origins, the wildlife trade products of high-value traded species seized during Sarawak Forestry Corporation’s enforcement operations were in towns within the same administrative district as the Lanjak-Entimau Wildlife Sanctuary.

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