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Title: 噴火湾におけるアカガレイ成魚の生活年周期
Other Titles: Annual Life Cycle of Adult Hippoglossoides dubius in Funka Bay, Hokkaido
Authors: 横山, 信一1 Browse this author
前田, 辰昭2 Browse this author →KAKEN DB
高橋, 豊美3 Browse this author →KAKEN DB
中谷, 敏邦4 Browse this author →KAKEN DB
松島, 寛治5 Browse this author
Authors(alt): Yokoyama, Shin-ichi1
Maeda, Tatsuaki2
Takahashi, Toyomi3
Nakatani, Toshikuni4
Matsushima, Hiroharu5
Issue Date: 1991
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: 57
Issue: 8
Start Page: 1469
End Page: 1476
Publisher DOI: 10.2331/suisan.57.1469
Abstract: Temporal changes in gonadsomatic index (GSI), hepatosomatic index (HSI), condition factor (K) and stomach content index (SCI) have been examined to reveal the annual life cycle of adult female and male Hippoglossoides dubius in Funka Bay from 1985 to 1988. The spawning season was from January to April. H. dubius dominated the near shore and hardly took any food in this season. The spawning ground was formed at a 30-60m depth in the coastal area from the northern inner part to the southern middle part of the bay. Seasonal changes in the condition factor suggest that somatic growth occurs from May to October in males and from April to October in females. The active feeding season was from May to July. H. dubius migrated to the southern middle part of the bay, which is probably their feeding ground. It seems that they migrated there according to their degree of food requirement. The inactive feeding season was from August to November. H. dubius concentrated in the deepest area where the cold bottom water remained (less than 7℃).
Rights: © 1991 公益社団法人日本水産学会
© 1991 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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