Pulau Rambut
Location:
5°58'S, 106°42'E; in the Seribu Islands (Kepulauan Seribu) in Jakarta Bay, 2~ km northwest of Jakarta, West Java.
Area:
56 ha island with 18 ha of mangroves.
Altitude:
0-3m.
Biogeographical Province:
4.22.12.
Wetland type:
03, 06 & 07.
Description of site:
A small low-lying coral atoll with mangrove forests, dense primary forest and large areas of secondary shrub produced by old shifting cultivation in the centre of the island. Most of the island is subject to tidal inundation.
Climatic conditions:
Tropical monsoonal climate.
Principal vegetation:
Mangrove forest.
Land tenure:
State owned.
Conservation measures taken:
The island is protected as a Nature Reserve (Cagar Alam), and wardened by a PHPA guard.
Conservation measures proposed:
It is recommended that the presence of the PHPA guard ci the island be increased, and that all fish wires be removed from within the boundaries of the Nature Reserve. A research programme should be initiated to monitor the levels of heavy metals and organo-chlorines in the eggs of nesting waterbirds.
Land use:
Nature reserve.
Disturbances and threats:
Visitors to the island, including fishermen, cause disturbance to the nesting birds. There are still some ten feral house cats of both sexes present on the island. There are high levels of heavy metal and organic pollution in Jakarta Bay.
Economic and social values:
No information.
Fauna:
The island supports one of the two largest breeding colonies of large waterbirds is Java. Breeding species include Phalacrocorax niger, Anhinga melanogaster, Nycticorax nycticorax, Bubulcus ibis, Egretta sacra, E. garzetta, E. intermedia, E. alba, Ardea purpvrea, A. cinerea and Mycteria cinerea. Other species which have been recorded on the island include Fregata andrewsi, F. ariel, Butorides striatus, Ardeola speciosa, Ardea sumairana, Leptoptilos javanicus, Threskiornis melanocephalus, Plegadis falcinellus, Haliastur indus, Haliaeetus leucogaster, Heliopais personata, Pluvialis dominica, Numenius phaeopus, N. arquaia and Actitis hypoleucos.
There is a roost of about 20,000 flying foxes Pteropus vampyrus in Sterculia trees, and the monitor lizard Varanus salvator is very common throughout the island.
Special floral values:
No information.
Research and facilities:
Several waterfowl surveys have been carried out.
References:
Allport & Wilson (1986); Karpowicz (1985); Milton & Marhardi (1984).
Criteria for Inclusion:
1b, 2a, 2b, 2c, 3b.
Source:
Marcel J. Silvius and Eva T. Berczy.