NDLI: Contrast in life histories of exploited fishes and ecosystem structures in coastal waters off west Canada and east Korea

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Contrast in life histories of exploited fishes and ecosystem structures in coastal waters off west Canada and east Korea

Ocean Science Journal : Volume 43

Ocean Science Journal : Volume 42

Ocean Science Journal : Volume 41

Ocean Science Journal : Volume 40

Contrast in life histories of exploited fishes and ecosystem structures in coastal waters off west Canada and east Korea

Content Provider	Springer Nature Link
Author	McFarlane, Gordon A. Zhang, Chang Ik King, Jacquelynne R. Kim, Suam Beamish, Richard J. Oh, Jae Ho
Copyright Year	2009
Abstract	By reviewing the history of fishery exploitation in the coastal waters of west Canada and east Korea, related with contrasting life history strategies of the dominant species, the fishery management challenges that each country would face in the upcoming decades were outlined. In the ecosystem of the Canadian western coastal waters, the dominant oceanographic feature is the coastal upwelling domain off the west coast of Vancouver Island, the northernmost extent of the California Current System in the eastern North Pacific. In the marine ecosystem of the eastern coasts of Korea (the Japan/East Sea), a major oceanographic feature is the Tsushima Warm Current, a branch of the Kuroshio Current in the western North Pacific. Fishes in the Canadian ecosystem are dominated by demersal, long-lived species such as flatfish, rockfish, sablefish, and halibut. During summer, migratory pelagic species such as Pacific hake, Pacific salmon, and recently Pacific sardine, move into this area to feed. In the late 1970s, Canada declared jurisdiction for 200 miles from their coastline, and major fisheries species in Canadian waters have been managed with a quota system. The overall fishing intensity off the west coast of Vancouver Island has been relatively moderate compared to Korean waters. Fishes in the ecosystem of the eastern Korean waters are dominated by short-lived pelagic and demersal fish. Historically, Korea has shared marine resources in this area with neighbouring countries, but stock assessments and quotas have only recently (since the late-1990s) been implemented for some major species. In the Korean ecosystem, fisheries can be described as intensive, and many stocks have been rated as overfished. The two ecosystems responded differently to climate impacts such as regime shifts under different exploitation histories. In the future, both countries will face the challenge of global warming and subsequent impacts on ecosystems, necessitating developing adaptive fisheries management plans. The challenges will be contrasting for the two countries: Canada will need to conserve fish populations, while Korea will need to focus on rebuilding depleted fish populations.
Starting Page	43
Ending Page	60
Page Count	18
File Format	PDF
ISSN	17385261
Journal	Ocean Science Journal
Volume Number	44
Issue Number	1
Language	English
Publisher	Korean Ocean Research and Development Institute and The Korean society of Oceanography
Publisher Date	2009-04-30
Publisher Place	Springer
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Canadian Pacific waters Japan/East Sea ecosystem comparison climate change life histories of fishes fisheries management Waste Water Technology Water Pollution Control Water Management Aquatic Pollution Marine & Freshwater Sciences Oceanography
Content Type	Text
Resource Type	Article
Subject	Oceanography

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