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New records, distribution and conservation of Mantella bernhardi, an Endangered frog species from south-eastern Madagascar

Published online by Cambridge University Press:  06 May 2005

Falitiana Rabemananjara ,
Parfait Bora ,
John E. Cadle ,
Franco Andreone ,
Emile Rajeriarison ,
Pierre Talata ,
Frank Glaw ,
Miguel Vences  and
David R. Vieites
Falitiana Rabemananjara
Affiliation:
Université d'Antananarivo, Département de Biologie Animale, Antananarivo, Madagascar.
Parfait Bora
Affiliation:
Université d'Antananarivo, Département de Biologie Animale, Antananarivo, Madagascar.
John E. Cadle
Affiliation:
Department of Herpetology, Chicago Zoological Society, 3300 Golf Road, Brookfield, IL 60513, USA.
Franco Andreone
Affiliation:
Museo Regionale di Scienze Naturali, Sezione di Zoologia, Via G. Giolitti, 36, 10123 Torino, Italy
Emile Rajeriarison
Affiliation:
Parc National de Ranomafana, BP 2, 312 Ranomafana, Madagascar.
Pierre Talata
Affiliation:
Parc National de Ranomafana, BP 2, 312 Ranomafana, Madagascar.
Frank Glaw
Affiliation:
Zoologische Staatssammlung, Münchhausenstr. 21, 81247 München, Germany.
Miguel Vences
Affiliation:
Institute for Biodiversity and Ecosystem Dynamics, Zoological Museum, University of Amsterdam, Mauritskade 61, 1092 AD Amsterdam, The Netherlands.
David R. Vieites
Affiliation:
Museum of Vertebrate Zoology, University of California, 3101 Valley Life Sciences Bldg., Berkeley, CA 94720-3160, USA.
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Abstract

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We report on seven new localities for Mantella bernhardi, a Malagasy poison frog that was previously known only from a single site. This species has been considered threatened with extinction because of ongoing habitat destruction and collection for the pet trade (up to c. 3,000 specimens per year). The new localities considerably extend the known range of this species, which has now been documented from c. 21.00° to 24.15°S and 47.00° to 48.00°E, and over 60–629 m altitude. Two of the sites are within protected areas (Ranomafana National Park and Manombo Special Reserve). An overlap analysis of the potential distribution area of the species, based on the extent of remaining primary vegetation, indicates that the habitat of M. bernhardi in south-eastern Madagascar is fragmented and populations may be relatively small and isolated. We support the IUCN Red List category of Endangered for this species and highlight the need for detailed studies of its populations.

Keywords

AmphibiadistributionMadagascarMantella bernhardiMantellidaestatus
Type
Short Communication
Information
Oryx , Volume 39 , Issue 3 , July 2005 , pp. 339 - 342
Copyright
© 2005 Fauna & Flora International