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マダラの耳石薄片法による年齢査定と成長様式

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Title: マダラの耳石薄片法による年齢査定と成長様式
Other Titles: Age determination by sectioning of otoliths and growth pattern of Pacific cod
Authors: 服部, 努1 Browse this author
桜井, 泰憲2 Browse this author →KAKEN DB
島崎, 健二3 Browse this author
Authors(alt): Hattori, Tsutomu1
Sakurai, Yasunori2
Shimazaki, Kenji3
Issue Date: 1992
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: 58
Issue: 7
Start Page: 1203
End Page: 1210
Publisher DOI: 10.2331/suisan.58.1203
Abstract: Using the sectioning of the otoliths of Pacific cod (Gadus macrocephalus), age determination was made for a total of 1, 076 individuals collected in adjacent regions of north Japan (off the southern coast of Hokkaido, the Musashi-Tai region, off Kinkasan, and the Matsumae-Kojima-Tai region) as well as off the Kamchatka Peninsula. The seasonal changes in percentages of otoliths with a translucent edge showed that the translucent part of the otolith was an annual growth ring formed during the autumn and winter. The change in monthly mean body lengths indicated that the body length of cod increased mainly between May and September. So we used samples collected during October and March for analysis of fish growth. The analysis of von Bertaranffy's curves revealed that there was little difference in growth rates in adjacent waters of north Japan, while it was significantly lower off the Kamchatka Peninsula.
Rights: © 1992 公益社団法人日本水産学会
© 1992 The Japanese Society of Fisheries Science
Type: article
URI: http://hdl.handle.net/2115/35537
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: 桜井 泰憲

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