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Description |
Geographic Range [top]
Range Description: This species is distributed only in Thai Nguyen and Bac Kan provinces in northeastern Viet Nam.
Countries occurrence:
Native:
Viet Nam
Additional data:
Range Map: Click here to open the map viewer and explore range.
Population [top]
Population: This species is not common and there is very little information on its population. A decline of about 70% of the populations is inferred for the last 10 years based on the observations of the Can and Nhue-Day Rivers Monitoring Program (V. Do pers. comm. 2011).
Current Population Trend: Decreasing
Additional data:
Habitat and Ecology [top]
Habitat and Ecology: This species inhabits streams and rivers in midlands and mountains.
Systems: Freshwater
Generation Length (years): 8
Use and Trade [top]
Use and Trade: Local people use freshwater mussels as a ready food source and this species is sometimes also sold in markets.
Threats [top]
Major Threat(s):
Mining is the major threat to this species, and urbanization, overexploitation, deforestation and also threaten the survival of this species.
Conservation Actions [top]
Conservation Actions:
Surveys need to be conducted in Thai Nguyen and Bac Kan provinces in Viet Nam to obtain information on the population, distribution and ecological requirements of this species. Conservation actions which are needed include protection of its important habitats from direct and indirect impacts, and preventing exploitation of this species.
Citation: Do, V. 2011. Oxynaia diespiter. The IUCN Red List of Threatened Species 2011: e.T171855A6807648. http://dx.doi.org/10.2305/IUCN.UK.2011-1.RLTS.T171855A6807648.en. Downloaded on 07 May 2018.
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