Universität zu Köln

McCormack, Timothy E. M. and Ziegler, Thomas (2020). Threats from wildlife trade: The importance of genetic data in safeguarding the endangered Four-eyed Turtle (Sacalia quadriocellata). Nat. Conserv.-Bulgaria (41). S. 91 - 112. SOFIA: PENSOFT PUBLISHERS. ISSN 1314-3301

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Abstract

Wildlife trade has been considered one of the largest threats to biodiversity in Southeast Asia. Many vertebrates, such as pangolins, elephants and turtles have been heavily hunted as a result of high demand from emerging markets in China and other countries in the region. In Vietnam, over-exploitation of turtles over several decades to supply the international trade has extirpated numerous populations and driven several species to the brink of extinction. To reverse this trend, conservation measures, such as re-introduction of confiscated or captive-bred animals to their native habitats, should be implemented to recover severely declined local populations. For species with a complex phylogeographic structure, however, it is crucial to understand geographic patterns of genetically-distinct populations to avoid releasing animals of unknown origin to wrong localities. In this study, we investigate the phylogeographic pattern of the Four-eyed Turtle (Sacalia quadriocellata), a widely traded species, which occurs in southern China, northern and central Laos and much of Vietnam, using samples with known localities and those collected from the local trade. Our range-wide phylogenetic and network study, based on the complete mitochondrial cytochrome b gene, recovered at least three major clades and seven subclades within the species range. Amongst these, two subclades, one from northern Annamites, Vietnam and the other from north-eastern Laos, are newly discovered. The fine scale phylogeographic analysis helped us to assign misidentified sequences from GenBank and those from confiscated animals with unknown origin to well-defined geographic populations. The results highlight the importance of incorporating samples collected from the local trade and the wild in genetic analyses to support both ex-situ and in-situ conservation programmes of highly-threatened species in accordance with the IUCN's One Plan Approach.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code McCormack, Timothy E. M. UNSPECIFIED UNSPECIFIED UNSPECIFIED Ziegler, Thomas UNSPECIFIED UNSPECIFIED UNSPECIFIED
URN:	urn:nbn:de:hbz:38-319363
DOI:	10.3897/natureconservation.41.54661
Journal or Publication Title:	Nat. Conserv.-Bulgaria
Number:	41
Page Range:	S. 91 - 112
Date:	2020
Publisher:	PENSOFT PUBLISHERS
Place of Publication:	SOFIA
ISSN:	1314-3301
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language CONSERVATION; HYBRIDIZATION; REPTILES; PHYLOGEOGRAPHY; TORTOISES; MARKETS; CHOICE Multiple languages Biodiversity Conservation Multiple languages
URI:	http://kups.ub.uni-koeln.de/id/eprint/31936