Conflicts Between Recreational and Commercial Fishing in Lake Toya, Hokkaido, Japan Public Deposited

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  • Recently, the number of leisure fishers has increased in Japan. Recreational anglers have caught larger numbers of fishes than commercial fishermen in some species. Formulating an appropriate management strategy that considers recreational and commercial sectors is important. Sockeye salmon (Oncorhynchus nerka) has been caught in Lake Toya, Hokkaido, Japan, by both recreational and commercial fishers. The number of sockeye salmon caught in Lake Toya is decreasing and population management and regulation must be considered. While the number of sockeye salmon by commercial catches is reported, the number of fish caught by recreational fishery is not available, which is why an appropriate management strategy has not been made until now. In this study, we made a mail survey and access point survey, from 1998 to 2003, to estimate the catch numbers, the fishing effort of recreational anglers and the population of sockeye salmon in Lake Toya. The mail survey questions in questionnaires distributed to anglers with a recreational angling license included date of angling, caught fish species and size, and catch number. In the access point survey we also asked anglers having a license or not. The fish population was estimated using the DeLury method. The estimated total angling effort was 1,400-1,800 people in 1998-2002. The estimated recreational catch was 28,889 in 1998 and rapidly decreasing. The recreational catch was two or three times larger than the commercial catch. The total exploitation rate was over 50%.
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  • Matsuishi, Takashi, Hiroshi Ueda. 2004. Conflicts Between Recreational and Commercial Fishing in Lake Toya, Hokkaido, Japan. Peer Review: No. In: Proceedings of the Twelfth Biennial Conference of the International Institute of Fisheries Economics & Trade, July 20-30, 2004, Tokyo, Japan: What are Responsible Fisheries? Compiled by Ann L. Shriver. International Institute of Fisheries Economics & Trade, Corvallis, Oregon, USA, 2004. CD ROM. ISBN 0-9763432-0-7
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