作者
Dirk Steinke, Andrea M Bernard, Rebekah L Horn, Paul Hilton, Robert Hanner, Mahmood S Shivji
发表日期
2017/8/25
期刊
Scientific reports
卷号
7
期号
1
页码范围
9505
出版商
Nature Publishing Group UK
简介
Continuously increasing demand for plant and animal products causes unsustainable depletion of biological resources. It is estimated that one-quarter of sharks and rays are threatened worldwide and although the global fin trade is widely recognized as a major driver, demand for meat, liver oil, and gill plates also represents a significant threat. This study used DNA barcoding and 16 S rRNA sequencing as a method to identify shark and ray species from dried fins and gill plates, obtained in Canada, China, and Sri Lanka. 129 fins and gill plates were analysed and searches on BOLD produced matches to 20 species of sharks and five species of rays or – in two cases – to a species pair. Twelve of the species found are listed or have been approved for listing in 2017 in the appendices of the Convention on International Trade in Endangered Species of Fauna and Flora (CITES), including the whale shark …
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