Universität zu Köln

van Schingen, Mona, Bernardes, Marta, Hecht, Vera, Bonkowski, Michael ORCID: 0000-0003-2656-1183 and Ziegler, Thomas (2014). Current status of the Crocodile Lizard Shinisaurus crocodilurus Ahl, 1930 in Vietnam with implications for conservation measures. Rev. Suisse Zool., 121 (3). S. 425 - 440. GENEVA 6: MUSEUM HISTOIRE NATURELLE. ISSN 0035-418X

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Abstract

The Crocodile Lizard Shinisaurus crocodilurus Ahl, 1930 is a monotypic species, with a distribution range restricted to small and isolated areas in southern China and northern Vietnam. Habitat destruction and illegal poaching are the main causes of alarming population declines and even extinction of some wild populations in China. While the Chinese population was estimated to comprise only 950 individuals in 2004, the existing status of the Vietnamese population remains unknown, since its discovery in 2002. Our work provides the first estimation of the population size of S. crocodilurus in Vietnam, which is essential baseline data for future conservation strategies. Our field research revealed a dramatically small population size of less than 100 mature individuals. This value falls substantially below published threshold sizes of several thousand individuals, required for the long-term persistence of a species. Our research highlights the urgent need to improve the conservation activities for this species in its natural habitats and suggests means for a translocation program to restore (minimum viable sizes of) the wild populations in northern Vietnam.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code van Schingen, Mona UNSPECIFIED UNSPECIFIED UNSPECIFIED Bernardes, Marta UNSPECIFIED UNSPECIFIED UNSPECIFIED Hecht, Vera UNSPECIFIED UNSPECIFIED UNSPECIFIED Bonkowski, Michael UNSPECIFIED orcid.org/0000-0003-2656-1183 UNSPECIFIED Ziegler, Thomas UNSPECIFIED UNSPECIFIED UNSPECIFIED
URN:	urn:nbn:de:hbz:38-429945
Journal or Publication Title:	Rev. Suisse Zool.
Volume:	121
Number:	3
Page Range:	S. 425 - 440
Date:	2014
Publisher:	MUSEUM HISTOIRE NATURELLE
Place of Publication:	GENEVA 6
ISSN:	0035-418X
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language LUOKENG NATURE-RESERVE; POPULATION SIZES Multiple languages Zoology Multiple languages
URI:	http://kups.ub.uni-koeln.de/id/eprint/42994