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Description |
Geographic Range [top]
Range Description: Brotia species have relatively small distributions in general. This recently described species is apparently endemic to a very short segment of the Khiao River, in Bolikhamxay Province, southern Lao PDR.
Countries occurrence:
Native:
Lao Peoples Democratic Republic
Additional data:
? Estimated area of occupancy (AOO) - km2: 10
? Number of Locations: 1
Range Map: Click here to open the map viewer and explore range.
Population [top]
Population:
The population size is not known. It may be comparatively small for an invertebrate taxon. Also, population trends are unknown but given the biology of Brotia species and the progressive degradation of their habitats, it is very probable that this species is in decline.
Current Population Trend: Decreasing
Additional data:
Habitat and Ecology [top]
Habitat and Ecology: Fast flowing, well oxygenated water, on hard substrates like rocks, not on sandy or muddy substrates. Not found in polluted or stagnant water.
Systems: Freshwater
Use and Trade [top]
Use and Trade: Probably eaten by local people; might be sold in local markets as food.
Threats [top]
Major Threat(s): Threatening factors are damming of rivers, siltation due to erosion as caused by deforestation, water pollution, and river degradation. A dam has been constructed on Nam Theun river, of which the known locality river is a tributary. It is uncertain whether the dam construction will impact this site. Possible threats include inundation, change in flow regime, changing water quality (temperature and oxygenation) and impact through construction works.
Conservation Actions [top]
Conservation Actions: Protect the natural habitat, fast flowing rivers and streams from damming, protect gallery forests, prevent pollution of water. A species management plan is recommended to mitigate possible impacts during dam construction and during operation of the dam.
Citation: Köhler, F. 2012. Brotia laodelectata. The IUCN Red List of Threatened Species 2012: e.T191525A1987445. http://dx.doi.org/10.2305/IUCN.UK.2012-1.RLTS.T191525A1987445.en. Downloaded on 27 April 2018.
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