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Description |
Geographic Range [top]
Range Description: This species is known from 647–1,722 m Asl (J. Rowley unpubl. data) in Gia Lai (Inger et al. 1999, J. Rowley unpubl. data), Quang Nam (Bain and Nguyen 2002, J. Rowley unpubl. data), Quang Ngai (Tran et al. 2010), Kon Tum (Orlov et al. 2002, J. Rowley unpubl. data) and Da Nang (Nguyen et al. 2009) Provinces, central Viet Nam. These are unlikely to represent the actual limits of the species range as similar habitat to that in its known localities occurs in adjacent parts of the Vietnamese Central Highlands, as well as into southeastern Laos and northeastern Cambodia. Further surveys in these areas may uncover its presence there, therefore its range has been projected beyond known sites to include areas of suitable habitat. The species estimated EOO is 43,849 km2, which consists of ten threat-defined locations.
Countries occurrence:
Native:
Viet Nam
Additional data:
? Number of Locations: 10
? Lower elevation limit (metres): 647
? Upper elevation limit (metres): 1722
Range Map: Click here to open the map viewer and explore range.
Population [top]
Population: There are no estimates of the size and trends of this species population, but it is described as very abundant in places, being the most commonly encountered species within its habitat (J. Rowley pers. comm. October 2015). Since its initial description (Inger et al. 1999), the species has been detected in a number of other surveys (Bain and Nguyen 2002, Orlov et al. 2002, Nguyen et al. 2009, Tran et al. 2010), and is well known by local people who harvest it as a food source (J. Rowley pers. comm. October 2015). Some population declines are expected for this species due to the effects of ongoing encroachment of agriculture on natural forests throughout its range (Meyfroidt and Lambin 2008, Sodhi et al. 2009, Meyfroidt et al. 2013).
Current Population Trend: Decreasing
Additional data:
? Population severely fragmented: No
Habitat and Ecology [top]
Habitat and Ecology: This species is associated with montane evergreen forests (J. Rowley unpubl. data) and has been observed on wet, vertical rock faces adjacent to a waterfall (Inger et al. 1999). As with other Amolops (Ngo et al. 2006), the species is likely found only around cascades and swiftly flowing streams, but very little is known about its life history. Reproduction presumably occurs prior to April, as recently metamorphosed individuals have been observed then (Inger et al. 1999). Eggs are probably deposited in the same streams around which the adults live, as with other Amolops for which the reproductive strategy is known.
Systems: Terrestrial; Freshwater
Continuing decline in area, extent and/or quality of habitat: Yes
Movement patterns: Not a Migrant
Use and Trade [top]
Use and Trade: The species is commonly used as a food source locally (J. Rowley pers. comm. October 2015). Trends in its harvest are not known.
Threats [top]
Major Threat(s): Habitat loss and degradation due to the effects of rapidly expanding agriculture is an ongoing threat to biodiversity throughout Viet Nam (Sodhi et al. 2009). In the Central Highlands this is a particularly pressing threat where large areas of forest are converted to agricultural land to grow cash crop plantations (e.g. rubber, coffee and tea), including throughout much of this species range (Meyfroidt and Lambin 2008, Meyfroidt et al. 2013). This species is commonly harvested for food (J. Rowley pers. comm. October 2015), though harvest rates are unknown and whether this represents a considerable threat to the species in not clear.
Conservation Actions [top]
Conservation Actions: Conservation Actions
This species has been recorded in Ngoc Linh Nature Reserve (Bain and Nguyen 2002) and Kon Ka Kinh National Park (J. Rowley unpubl. data), and its predicted range occupies a number of other protected areas in both Viet Nam and Laos.
Conservation Needed
Addressing the lack of data is the first step towards ensuring this species long-term persistence.
Research Needed
Further research on its true distribution, threats, harvest rates, and the size and trends of its population would inform conservation decisions.
Citation: IUCN SSC Amphibian Specialist Group. 2017. Amolops spinapectoralis. The IUCN Red List of Threatened Species 2017: e.T58225A63900035. http://dx.doi.org/10.2305/IUCN.UK.2017-2.RLTS.T58225A63900035.en. Downloaded on 19 October 2018.
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