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Cardioglossa alsco 

Scope: Global
Language: English
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Taxonomy [top]

Kingdom Phylum Class Order Family
Animalia Chordata Amphibia Anura Arthroleptidae

Scientific Name: Cardioglossa alsco Herrmann, Herrmann, Schmitz & Böhme, 2004
Taxonomic Source(s): Frost, D.R. 2016. Amphibian Species of the World: an Online Reference. Version 6.0 (31 March 2016). New York, USA. Available at: http://research.amnh.org/herpetology/amphibia/index.html.
Taxonomic Notes: Records of Cardioglossa pulchra from Tchabal Mbabo (Amiet 1972) now refer to this species (Herrmann et al. 2004).

Assessment Information [top]

Red List Category & Criteria: Endangered B1ab(iii) ver 3.1
Year Published: 2017
Date Assessed: 2016-07-05
Assessor(s): IUCN SSC Amphibian Specialist Group
Reviewer(s): Stuart, S.N.
Contributor(s): Herrmann, H. & Hirschfeld, M.
Facilitator/Compiler(s): Hobin, L.
Justification:
Listed as Endangered because its extent of occurrence (EOO) is 354 km2, it occurs in two threat-defined locations, and there is continuing decline in the extent and quality of habitat in western Cameroon.
Previously published Red List assessments:

Geographic Range [top]

Range Description:This species was previously only known from the southern slopes of Mount Tchabal Mbabo on the Adamawa Plateau in western Cameroon, between 1,700–2,100 m Asl . However a record has been provided from the Gotel Mountains in the Adamawa Province, near the Cameroon-Nigeria border at 2010 m asl (Gvoždík 2011), suggesting it may occur into Nigeria. It is unlikely to occur on the northern slopes of Mount Tchabal Mbabo, at least not at the altitude of the type locality, because the forest habitat on the northern slopes at this altitude is very different from the gallery forest on the southern slopes. It occurs in two threat-defined locations and its EOO is 354 km2.
Countries occurrence:
Native:
Cameroon
Additional data:
Number of Locations:2
Lower elevation limit (metres):1700
Upper elevation limit (metres):2100
Range Map:Click here to open the map viewer and explore range.

Population [top]

Population:There is little information, although it is likely to be common within its small range, since 73 specimens were collected close together suggesting a high concentration of animals. Due to ongoing decline in the extent and quality of habitat, the population is suspected to be decreasing.
Current Population Trend:Decreasing
Additional data:
Population severely fragmented:No

Habitat and Ecology [top]

Habitat and Ecology:This species lives in montane gallery forest and is associated with streams, in which it presumably breeds by larval development. Individuals have been found under large stones around shallow pools adjacent to a creek. They were observed calling at night during the dry season.
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: There are no records of this species being utilized.

Threats [top]

Major Threat(s): The remaining forest habitat on Tchabal Mbabo is now confined to galleries and steep inaccessible slopes, as a result of the clearing of forest for pasture. However, much of the forested habitat that can be easily removed has now been cleared due to conversion to agricultural land and from logging. Fires are also a threat to the forest within this species' range.

Conservation Actions [top]

Conservation Actions: Conservation Actions
This species is not known from any protected areas.

Conservation Needed
Habitat and site protection has been recommended for Tchabal Mbabo. 

Research Needed
More information is needed on this species'  population status and natural history.

Citation: IUCN SSC Amphibian Specialist Group. 2017. Cardioglossa alsco. The IUCN Red List of Threatened Species 2017: e.T61745A95916446. . Downloaded on 22 October 2017.
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