|Scientific Name:||Boophis blommersae Glaw & Vences, 1994|
|Taxonomic Source(s):||Frost, D.R. 2015. Amphibian Species of the World: an Online Reference. Version 6.0. New York, USA. Available at: http://research.amnh.org/herpetology/amphibia/index.html.|
|Red List Category & Criteria:||Vulnerable B1ab(iii) ver 3.1|
|Assessor(s):||IUCN SSC Amphibian Specialist Group|
|Contributor(s):||Raxworthy, C.J., Scherz, D., Glaw, F. & Nussbaum, R.|
|Facilitator/Compiler(s):||Sharp, D., Luedtke, J. & Hobin, L.|
Listed as Vulnerable because its extent of occurrence is 6,324 km2, it is known from fewer than ten locations, and there is continuing decline in the extent and quality of its habitat in northern Madagascar.
|Previously published Red List assessments:|
|Range Description:||This species occurs in two isolated sub-populations separated by unsuitable habitat: Montagne d'Ambre and the general vicinity of Tsaratanana, between 500 to approximately 1,000 m asl in northern Madagascar. It has now also been recorded in forest fragments between the south boundary of Montagne d’Ambre National Park and the northern boundary of Ankarana Special Reserve, between 379-563m asl (Durkin et al., 2011), and at Morapitsaka in Bemanevika Forest, between 800-1780m asl (Rabearivony et al., 2010). It is likely to occur more widely, including in Forêt d'Ambre Special Reserve, but the current estimate of extent of occurrence (EOO) is 6,324 km2.|
|Range Map:||Click here to open the map viewer and explore range.|
|Population:||It is a very common species. However due to ongoing declines in the extent and quality of habitat, the population is suspected to be decreasing.|
|Current Population Trend:||Decreasing|
|Habitat and Ecology:||It is a species of humid rainforest, surviving only in slightly modified habitats. It breeds by larval development in streams.|
|Continuing decline in area, extent and/or quality of habitat:||Yes|
|Movement patterns:||Not a Migrant|
|Use and Trade:||There are no records of this species being utilized.|
Its forest habitat is receding due to subsistence agriculture (including livestock grazing), timber extraction, charcoal manufacture, the spread of invasive eucalyptus, and expanding human settlements.
Species in this genus have tested positive for Batrachochytrium dendrobatidis (Bd), however currently there have been no negative effects observed within amphibian populations in Madagascar suggesting the Bd strain has a low virulence level (Bletz et al., 2015).
It occurs in Montagne d'Ambre National Park, which provides relatively good protection, Réserve Naturelle Intégrale du Tsaratanana, and Bemanevika which planned for protection.
Improved protection of forest habitat and management of protected areas throughout northern Madagascar is required.
Further research is required to clarify the species' distribution, population size and trends, and is essential to fully understand the distribution, origin, type and virulence of Bd lineages found in Madagascar (Bletz et al., 2015).
Bletz, M.C., Rosa, G.M., Andreone, F., Courtois, E.A., Schmeller, D.S., Rabibisoa, N.H.C, Rabemananjara, F.C.E., Raharivololoniaina, L., Vences, M., Weldon, C., Edmonds, D., Raxworthy, C.J., Harris, R.N., Fisher, M.C. and Crottini, A. 2015. Widespread presence of the pathogenic fungus Batrachochytrium dendrobatidis in wild amphibian communities in Madagascar. Scientific Reports 5(8633): 1-10.
D'Cruze, N., Köhler, J., Franzen, M. and Glaw, F. 2008. A conservation assessment of the amphibians and reptiles of the Foret d'Ambre Special Reserve, Madagascar. Madagascar Conservation and Development 3(1): 44-54.
Durkin, L., Steer, M.D. and Belle, E.M.S. 2011. Herpetological Surveys of Forest Fragments Between Montagne D'Ambre National Park and Ankarana Special Reserve, Northern Madagascar. Herpetological Conservation and Biology 6(1): 114-126.
Glaw, F. and Vences, M. 1994. A Fieldguide to the Amphibians and Reptiles of Madagascar. Second Edition. Zoologisches Forschungsinstitut und Museum Alexander Koenig, Bonn.
Glaw, F. and Vences, M. 2007. A Fieldguide to the Amphibians and Reptiles of Madagascar. Third Edition. Vences & Glaw Verlag, Cologne.
Glaw, F., Vences, M., Andreone, F. and Vallan, D. 2001. Revision of the Boophis majori group (Amphibia: Ranidae: Rhacophorinae) from Madagascar, with description of five new species. Zoological Journal of the Linnean Society 133: 495-529.
IUCN. 2016. The IUCN Red List of Threatened Species. Version 2016-1. Available at: www.iucnredlist.org. (Accessed: 30 June 2016).
Rabearivony, J., Raselimanana, A.P., Andriamazava, M.A., Thorstrom, R. and Rene de Roland, L-A. 2010. A new locality for the endangered microhylid frog Scaphiophryne boribory from northern Madagascar and a rapid survey of other amphibians of the Bemanevika region. Herpetology Notes 3: 105-109.
|Citation:||IUCN SSC Amphibian Specialist Group. 2016. Boophis blommersae. The IUCN Red List of Threatened Species 2016: e.T57392A84161832.Downloaded on 21 April 2018.|
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