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Recreational fishery as a conservation tool for endemic Dolly Varden Salvelinus malma miyabei in Lake Shikaribetsu, Japan

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Title: Recreational fishery as a conservation tool for endemic Dolly Varden Salvelinus malma miyabei in Lake Shikaribetsu, Japan
Authors: Yoshiyama, Taku Browse this author
Tsuboi, Jun-ichi Browse this author
Matsuishi, Takashi Browse this author →KAKEN DB
Keywords: Angling
Catch-and-release
Conservation
Dolly Varden
Miyabe charr
Recreational fishery
Issue Date: Mar-2017
Publisher: Springer
Journal Title: Fisheries science
Volume: 83
Issue: 2
Start Page: 171
End Page: 180
Publisher DOI: 10.1007/s12562-016-1051-3
Abstract: Recreational angling is a popular leisure activity globally and can be a threat or useful conservation tool depending on the management strategy. Miyabe charr Salvelinus malma miyabei is an endemic fish that inhabits Lake Shikaribetsu, and a management program was established to harmonise recreational fishery and conservation. To examine the suitability of this program, population assessment was conducted with the cooperation of anglers. The population size in 2014 as assessed by tag-and-release angling was estimated to be 105,300 [95% confidence interval (CI) 37,300-178,600], much higher than the reported estimate in 1995. Further, angling mortality was estimated to be quite low. Moreover, no decreasing population trend was detected on analysing 8 years of anglers' catch data. Consequently, angling has facilitated stock assessments of Miyabe charr under the current program. This case is a good example of recreational angling acting as a conservation tool under appropriate management.
Rights: The final publication is available at www.springerlink.com via http://dx.doi.org/ 10.1007/s12562-016-1051-3.
Type: article (author version)
URI: http://hdl.handle.net/2115/68402
Appears in Collections:水産科学院・水産科学研究院 (Graduate School of Fisheries Sciences / Faculty of Fisheries Sciences) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 松石 隆

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