Key Biodiversity Areas

Pulau Dua (15867)
Indonesia, Asia

Site overview


KBA status: confirmed
Year of last assessment: 1999
National site name: Pulau Dua
Central coordinates: Latitude: -6.0167, Longitude: 106.2000
System: marine, terrestrial
Elevation (m): 0 to 4
Area of KBA (km2): 4.0028
Protected area coverage (%): 8.16
KBA classification: Global/Regional TBD
Legacy site: Yes

Site details


Site description: This area consists of two islands, Pulau Dua (Dua Island) and Pulau Satu (Satu Island) covering 30 ha. Pulau Satu is located around 600 m from Pulau Dua. Originally Pulau Dua is a coral island (8 ha).This area is located on the south-east of Banten Bay, around 70 km west of Jakarta. Up to the end of 1960s, Pulau Dua ia a seperated island from Java, however betwwen 1970-1978 this island has connected with a land bridge with Java (Allport & Wilson 1984).
Rationale for qualifying as KBA: This site qualifies as a Key Biodiversity Area of international significance because it meets one or more previously established criteria and thresholds for identifying sites of biodiversity importance (including Important Bird and Biodiversity Areas, Alliance for Zero Extinction sites, and Key Biodiversity Areas)
Additional biodiversity: In 1970s this area is a breeding site for Milky Stork Mycteria cinerea, Glossy Ibis Plegadis falcinellus, and Black-headed Ibis Threskiornis melanocephalus. Based on 1985 census, more than 7500 nests from 11 species of waterbirds live in this area. Waterbirds include Royal Spoonbill Platalea regia, Oriental Darter Anhingia melanogaster, Purple Heron Ardea purpurea, Milky Stork Mycteria cinerea, Black-headed Ibis Threskiornis melanocephalus, and Little Egret Egretta garzetta (Silvius et.al. 1987).

Habitats


Summary of habitats in KBA: Most of the area covered by mangrove vegetation (Avicennia marina and Rhizophora sp.(MacKinnon et.al. 1982) and the remaining area is secondary forest, beach/forest vegetation and sand dune.
Land use: nature conservation and research
IUCN HabitatCoverage %Habitat detail
Forest33
Marine Coastal/Supratidal33
Marine Intertidal33

Threats


Summary of threats to biodiversity at KBA: Visitors, fishermen, mangrove forest conversion for ponds, and firewood collection (MacKinnon et.al. 1982)

Additional information


References: Anon. 1997. Statistik Perlindungan Hutan dan Pelestarian Alam 1996/1997. Departemen Kehutanan dan Perkebunan, Direktorat Jenderal Perlindungan Hutan dan Pelestarian Alam, Jakarta.Anon. 1998. Statistik Perlindungan Hutan dan Pelestarian Alam 1997/1998. Departemen Kehutanan dan Perkebunan, Direktorat Jenderal Perlindungan Hutan dan Pelestarian Alam, Jakarta.MacKinnon, J., Smiet, F., and Artha, M.B. 1982. A National Conservation Plan for Indonesia, Vol. III: Java and Bali. UNDP/FAO. Bogor.Silvius, M.J., Djuharsa, E., Taufik, A. W., Steeman, A.P.J.M, and Berczy, E.T. 1987. The Indonesian Wetland Inventory: A Preliminary Compilation of Information on Wetlands of Indonesia. PHPA-AWB/Interweder & Edwin, Indonesia.