Incomplete reporting of whale, dolphin and porpoise 'bycatch' revealed by molecular monitoring of Korean markets

We report the results of molecular monitoring of ‘whalemeat’ markets in the Republic of (South) Korea based on nine systematic surveys from February 2003 to February 2005. As Korea has no programme of commercial or scientific whaling and there is a closure on the hunting of dolphins and porpoises, t...

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Veröffentlicht in:Animal conservation 2006-11, Vol.9 (4), p.474-482
Hauptverfasser: Baker, C. S., Lukoschek, V., Lavery, S., Dalebout, M. L., Yong-un, M., Endo, T., Funahashi, N.
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container_end_page 482
container_issue 4
container_start_page 474
container_title Animal conservation
container_volume 9
creator Baker, C. S.
Lukoschek, V.
Lavery, S.
Dalebout, M. L.
Yong-un, M.
Endo, T.
Funahashi, N.
description We report the results of molecular monitoring of ‘whalemeat’ markets in the Republic of (South) Korea based on nine systematic surveys from February 2003 to February 2005. As Korea has no programme of commercial or scientific whaling and there is a closure on the hunting of dolphins and porpoises, the only legal source of these products was assumed to be incidental fisheries mortalities (‘bycatch’) as reported by the government to the International Whaling Commission. Species identification of 357 products using mitochondrial DNA control region or cytochrome b sequences and the web‐based programme DNA‐surveillance revealed three species of baleen whales (North Pacific minke, common form Bryde's and humpback), three species of beaked whales (Cuvier's, Stejneger's and Blainville's), seven species of dolphins (short‐finned pilot, false killer and killer whales; Risso's, bottlenose, common and Pacific white‐sided dolphins) and two species of porpoises (harbour and finless). Comparison of market products with official records revealed a number of discrepancies. Of the eight species identified on the markets in 2003, three were not reported in official records for that year. Of the 11 species identified in 2004, five were not reported as bycatch, although one species, a humpback whale, was reported as ‘stranded’. We also found significant inconsistencies in the expected frequencies of products from most species, including a large over‐representation of finless porpoises and false killer whales. We suggest ways in which market surveys could be improved to provide better information on the magnitude of fisheries bycatch and other illegal, unregulated and unreported (IUU) exploitation of wildlife.
doi_str_mv 10.1111/j.1469-1795.2006.00062.x
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Species identification of 357 products using mitochondrial DNA control region or cytochrome b sequences and the web‐based programme DNA‐surveillance revealed three species of baleen whales (North Pacific minke, common form Bryde's and humpback), three species of beaked whales (Cuvier's, Stejneger's and Blainville's), seven species of dolphins (short‐finned pilot, false killer and killer whales; Risso's, bottlenose, common and Pacific white‐sided dolphins) and two species of porpoises (harbour and finless). Comparison of market products with official records revealed a number of discrepancies. Of the eight species identified on the markets in 2003, three were not reported in official records for that year. Of the 11 species identified in 2004, five were not reported as bycatch, although one species, a humpback whale, was reported as ‘stranded’. We also found significant inconsistencies in the expected frequencies of products from most species, including a large over‐representation of finless porpoises and false killer whales. 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source Wiley Online Library Journals Frontfile Complete
subjects Balaenoptera acutorostrata
Balaenoptera brydei
Balaenoptera physalus
Berardius bairdii
Cetacea
cetaceans
Delphinus delphis
Globicephala macrorhynchus
Grampus griseus
International Whaling Commission
Lagenorhynchus obliquidens
Marine
Megaptera novaeangliae
Mesoplodon densirostris
Mesoplodon stejnegeri
molecular taxonomy
Neophocaena phocaenoides
Orcinus orca
Phocoena phocoena
Pseudorca crassidens
Tursiops truncatus
whalemeat
Ziphius cavirostris
title Incomplete reporting of whale, dolphin and porpoise 'bycatch' revealed by molecular monitoring of Korean markets
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