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Location Indonesia, Kalimantan Timur
Central coordinates 116o 20.00' East  4o 0.00' North
IBA criteria A1, A3
Area 448,589 ha
Altitude 0 - 1,100m
Year of IBA assessment 2004

Burung Indonesia (Affiliate)

Site description Ministry of Forestry principally has agreed to declared this area as a National Park in August 1998, and the logging concession has agreed (and returned the license) to achieve this (see Momberg 1998b). Together with Kayan Mentarang National Park, Sebuku Sembakung National Park will cover watershed area and all habitat from sea level to the mountains, with total area of 1.8 million ha.

Key Biodiversity There is no information about bird in Sebuku Sembakung. Probably White-fronted Falconet Microhierax latifrons lives on this area. Some important species predicted live in this site such as Bornean Peacock-pheasant Polyplectron schleiermacheri, Storm's Stork Ciconia stormi, Wallace's Hawk-eagle Spizaetus nanus, Sunda Wrinkled Hornbill Aceros corrugatus.

Non-bird biodiversity: Other biodiversity include Nasalis larvatus, Hylobathes muelleri, Pongo pygmeus, Elephas maximus, Bos javanicus and Crocodylus porosus.Sebuku Sembakung area has the biggest population of Nasalis larvatus (Momberg

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Bornean Peacock-pheasant Polyplectron schleiermacheri resident  2004  present  A1  Endangered 
Storm's Stork Ciconia stormi resident  2004  present  A1  Endangered 
Wallace's Hawk-eagle Nisaetus nanus resident  2004  present  A1  Vulnerable 


IUCN habitat Habitat detail Extent (% of site)
Wetlands (inland)   -
Forest   -

Land use

Land-use Extent (% of site)
nature conservation and research -

Protection status Ulu Sembakung Nature Reserve (500000 ha) and Muara Sebuku Nature Reserve (110000 ha) are included in this area.

References Momberg, F., Jepson, P. and van Noord, H. 1998b. Justification and boundary proposals for a new protected area in the Sebuku-Sembakung region, East Kalimantan. Bio-regional Management and Integrated Park Management Project, WWF Indonesia/EPIQ/USAID. Tech. Mem. 1 (2nd ed).Voss, F. 1981. Atlas of East Kalimantan. GTZ-TAD.

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Recommended citation  BirdLife International (2016) Important Bird and Biodiversity Area factsheet: Sebuku Sembakung. Downloaded from on 24/10/2016

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