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Description |
Geographic Range [top]
Range Description:
This species is only known from the Kaek River (central Thailand; a tributary of the Nan River, Chao Phraya basin), where it is found on the 70 km stretch of river between Sakunothayan and Thung Salaeng. Records include sites at Wang Nok Nang Aen (east of Wang Tong) and from the Sakunothayan Falls near the type locality in Thailand.
Countries occurrence:
Native:
Thailand
Additional data:
? Estimated area of occupancy (AOO) - km2: 150
? Number of Locations: 1
Range Map: Click here to open the map viewer and explore range.
Population [top]
Population: Population trends are unknown but the species is locally abundant where present (F. Köhler pers. comm. 2011).
Current Population Trend: Unknown
Additional data:
? Population severely fragmented: No
Habitat and Ecology [top]
Habitat and Ecology: Fast flowing, well oxygenated water, on hard substrates like rocks, not on sandy or muddy substrates in river rapids and waterfalls. Not in polluted or stagnant water.
Systems: Freshwater
Use and Trade [top]
Use and Trade: Not thought to be eaten or used for trade.
Threats [top]
Major Threat(s):
No current threats to this species, but it is vulnerable to water pollution and sedimentation, as like other Brotia species, it requires clean fast flowing water. Part of this site lies in a national park. The species is vulnerable to future changes in water quality from sedimentation and sewage.
Conservation Actions [top]
Conservation Actions: There are no specific conservation actions in place for this species. Conservation actions include the implementation of catchment management plans to keep the river water well oxygenated and clean.
Citation: Simonis, J. & Köhler, F. 2012. Brotia pseudosulcospira. The IUCN Red List of Threatened Species 2012: e.T184841A1756351. http://dx.doi.org/10.2305/IUCN.UK.2012-1.RLTS.T184841A1756351.en. Downloaded on 11 February 2019.
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