Astylosternus nganhanus

Taxonomy

Assessment Information

Geographic Range

Population

Habitat and Ecology

Threats

Conservation Actions

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Taxonomy [top]

Kingdom	Phylum	Class	Order	Family
ANIMALIA	CHORDATA	AMPHIBIA	ANURA	ARTHROLEPTIDAE

Scientific Name:	Astylosternus nganhanus
Species Authority:	Amiet, 1978

Assessment Information [top]

Red List Category & Criteria:	Critically Endangered B1ab(iii)+2ab(iii) ver 3.1
Year Published:	2004
Assessor/s:	Jean-Louis Amiet
Reviewer/s:	Global Amphibian Assessment Coordinating Team (Simon Stuart, Janice Chanson and Neil Cox)
Contributor/s:
Justification: Listed as Critically Endangered because its Extent of Occurrence is probably less than 100 km2 and its Area of Occupancy is probably less than 10km2, all individuals are in a single sub-population, and the extent of its habitat on Nganha Mountain is probably declining.

Geographic Range [top]

Range Description:	This species is known only from Mount Nganha on the Adamawa Plateau, at 1,400-1,700m asl, in Cameroon, to which it is probably endemic.
Countries:	Native: Cameroon
Range Map:	Click here to open the map viewer and explore range.

Population [top]

Population:	It is known only from five specimens.
Population Trend:	Decreasing

Habitat and Ecology [top]

Habitat and Ecology:	This species is found along watercourses in a few narrow gallery forests, and in seepage areas in nearby grassland. Tadpoles, almost certainly of this species, have been found in rock pools in streams.
Systems:	Terrestrial; Freshwater

Threats [top]

Major Threat(s):	This poorly known species is probably at severe risk from habitat loss due to smallholder farming activities and subsistence wood extraction.

Major Threat(s):

This poorly known species is probably at severe risk from habitat loss due to smallholder farming activities and subsistence wood extraction.

Conservation Actions [top]

Conservation Actions:	It is not known from any protected areas and protection of the remaining habitat in the range of the species is urgently needed. Further survey work is required to establish its distribution, current population status and threats.

Conservation Actions:

It is not known from any protected areas and protection of the remaining habitat in the range of the species is urgently needed. Further survey work is required to establish its distribution, current population status and threats.

Citation:	Jean-Louis Amiet 2004. Astylosternus nganhanus. In: IUCN 2012. IUCN Red List of Threatened Species. Version 2012.2. <www.iucnredlist.org>. Downloaded on 22 May 2013.
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