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Description |
Geographic Range [top]
Range Description: Indonesia: Batam Island is one of the 3,000 islands which make up the Riau Archipelago and is closest to Singapore, which is only 20 kms away. Batam island has an area of 415 km².
Countries occurrence:
Native:
Indonesia (Sumatera); Malaysia (Peninsular Malaysia)
Additional data:
? Number of Locations: 1
Range Map: Click here to open the map viewer and explore range.
Population [top]
Population: There is no information on population size, abundance, or trends.
Current Population Trend: Unknown
Additional data:
? Population severely fragmented: No
Habitat and Ecology [top]
Habitat and Ecology: P. batamensis is only known from one area on the western part of Batam island where the forests are intermediate between freshwater and peat swamps. This species was collected from a well-shaded relatively fast-flowing blackwater stream in a disturbed swamp forest where the banks were overgrown with Pandanus and the waters were dark tea-coloured. The pH of the water was about five and the substrate was clay and leaf detritus. Crabs were obtained from burrows along the waterline as well as among the submerged roots and leaf litter.
Systems: Freshwater
Threats [top]
Major Threat(s): The island of Batam (400 km²) is being rapidly developed and large tracts of land are currently being, or have already been, cleared for housing, industrial ands commercial projects. The scale of the development plans are such that much of the native fauna will be (if not already) under serious threat in the years to come.
The present and future threats to this species include human induced habitat loss/degradation due to population increases. In the 1970s, the island underwent a major transformation from topologically forest area into a major harbour and industrial zone. The population drastically grew from a few thousand in the 1960s to more than 700,000 now. Located in the direct proximity of Singapore and provided with cheaper labour forces, several Singaporean companies have established factories in Batam.
Conservation Actions [top]
Conservation Actions: No conservation measures are known to be in place for this species and it is not found in a protected area.
Citation: Esser, L. and Cumberlidge, N. 2008. Parathelphusa batamensis. The IUCN Red List of Threatened Species 2008: e.T134718A4003199. http://dx.doi.org/10.2305/IUCN.UK.2008.RLTS.T134718A4003199.en. Downloaded on 16 May 2018.
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