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Title: 北海道南西部沖合における春季のスケトウダラの分布
Other Titles: Distribution of Walleye Pollock Theragra chalcogramma off Southwestern Hokkaido in the Japan Sea in Spring
Authors: 髙木, 省吾1 Browse this author
前田, 辰昭2 Browse this author →KAKEN DB
亀井, 佳彦3 Browse this author
中谷, 敏邦4 Browse this author →KAKEN DB
髙津, 哲也5 Browse this author →KAKEN DB
高橋, 豊美6 Browse this author →KAKEN DB
Authors(alt): Takagi, Shogo1
Maeda, Tatsuaki2
Kamei, Yoshihiko3
Nakatani, Toshikuni4
Takatsu, Tetsuya5
Takahashi, Toyomi6
Keywords: スケトウダラ
Theragra chalcogramma
Issue Date: 1996
Publisher: 日本水産学会
Journal Title: 日本水産学会誌
Journal Title(alt): Bulletin of the Japanese Society of Scientific Fisheries
Volume: 62
Issue: 2
Start Page: 205
End Page: 212
Publisher DOI: 10.2331/suisan.62.205
Abstract: In order to elucidate the distribution pattern of walleye pollock Theragra chalcogramma off southwestern Hokkaido in the Japan Sea, trawling and acoustic surveys, and hydrographic observations were conducted in early April from 1989 to 1993. In 1991 and 1993, the Tsushima Warm Current Water was widely distributed in the coastal area of Aomori Prefecture, and a large number of walleye pollock were collected in the southwestern area off Hokkaido. In contrast, this water was observed only in a restricted coastal area of Aomori Prefecture in 1989 and 1990, and walleye pollock were found distributed in a coastal area 20-30 miles off Aomori Prefecture. Although an annual change in the distribution of walleye pollock was observed, they were concentrated in the area of the horizontal thermal front between the Tsushima Warm Current Water and the Japan Sea Proper Water every year. From these observations, it appears that the migration of walleye pollock in early spring is closely related to the behavior of the Tsushima Warm Current Water in the Japan Sea off Aomori Prefecture.
Rights: © 1996 公益社団法人日本水産学会
© 1996 The Japanese Society of Fisheries Science
Type: article
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: 高橋 豊美

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