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Location Indonesia, Sumatera Selatan
Central coordinates 104o 50.00' East  2o 3.00' South
IBA criteria A1, A4i, A4iii
Area 400,000 ha
Altitude
Year of IBA assessment 2004

Burung Indonesia (Affiliate)



Site description Swamp and mangrove forests in Sembilang and Semenanjung Banyuasin is the widest swamp and mangrove forests, and almost undisturb. This area is an example of swamp forest ecosystem in Indo-Malayan, that supporting life of threatened species. Some of small rivers flowthrough from the swamp to the east, and the biggest is Lalang river. Northern part of this area is covered by natural habitat type where in mid-1980s more than 115000 ha mangrove (bakau) forest and 232000 ha swamp forest (freshwater and peat swamp forest). Land clearence, land conversion and also fire occured in 1997, reduction remaining total area up to 82000 ha mangrove forest and 129000 ha swamp forest.In the beginning the area has a complete wetland acosystem, including herbaceous swamp, but further survey is needed to find out the existence of the remaining wetland ecosystem types because of fire.This area comprises as Terusan Dalam Game Reserve, Sungai Sembilang Protection Forest and production swamp forest which are located in south of Lalang River.Around 20% of this area is a conservation area, and more least 50% used for logging (legal and illegal). Remaining area is used for fisheries, mangrove conversion, ponds and plantation.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
White-winged Duck Asarcornis scutulata resident  2004  present  A1  Endangered 
Milky Stork Mycteria cinerea resident  2004  present  A1, A4i  Endangered 
Lesser Adjutant Leptoptilos javanicus resident  2004  present  A1, A4i  Vulnerable 
Storm's Stork Ciconia stormi resident  2004  present  A1,A4i  Endangered 
Spot-billed Pelican Pelecanus philippensis resident  2004  present  A1, A4i  Near Threatened 
Wallace's Hawk-eagle Nisaetus nanus resident  2004  present  A1  Vulnerable 
Asian Dowitcher Limnodromus semipalmatus winter  2004  present  A4i  Near Threatened 
Black-tailed Godwit Limosa limosa winter  2004  present  A4i  Near Threatened 
Far Eastern Curlew Numenius madagascariensis unknown  2004  present  A4i  Vulnerable 
Spotted Greenshank Tringa guttifer winter  2004  present  A1  Endangered 
Silvery Pigeon Columba argentina resident  2004  present  A1  Critically Endangered 
Large Green-pigeon Treron capellei resident  2004  present  A1  Vulnerable 
Alcedo euryzona resident  2004  present  A1  Not Recognised 
A4iii Species group - waterbirds unknown  2004  20,000 individuals  unknown  A4iii   

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
Terusan Dalam Game Reserve 74,750 protected area contained by site 74,750  

Habitats

IUCN habitat Habitat detail Extent (% of site)
Wetlands (inland) Permanent swamps  major
Forest Mangrove forest (tropical)  -
Other   -

Land use

Land-use Extent (% of site)
nature conservation and research 20%
forestry 50%
fisheries/aquaculture -
agriculture -

Other biodiversity Elephas maximus, Pathera tigris, Neofelis nebulosa, Tapirus indicus and Hylobates syndactylus.

Protection status This area includes:1. Terusan Dalam declared as Wildlife Sanctuary (74750 ha) based on SK Menteri Kehutanan No. 410/Kpts-II/1986 on 3 February 1986 (Anon 1998)2. Mangrove area in southern Sembilang as Protected Forest (92000 ha).

References Anon. 1998. Statistik Perlindungan Hutan dan Pelestarian Alam 1997/1998. Departemen Kehutanan dan Perkebunan, Direktorat Jenderal Perlindungan Hutan dan Pelestarian Alam, Jakarta.Kadarisman, R. 1991. The breeding habitat of the Storm's Stork in Indonesia. Ms. Sub-Balai Konservasi Sumber Daya Alam Sumatra Selatan.Silvius, M.J. 1988. On the importance of Sumatra's east coast for waterbirds, with notes on the Asian Dowitcher Limnodromus semipalmatus. Kukila 3(3-4):117-137.Verheugt, W.J.M., Skov, H. and Danielsen, F. 1993. Notes on birds of the tidal lowlands and floodplains of South Sumatra. Kukila 6(2): 53-84.

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Recommended citation  BirdLife International (2014) Important Bird Areas factsheet: Sembilang. Downloaded from http://www.birdlife.org on 31/10/2014

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