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西部太平洋熱帯水域の漂流物に伴う魚類


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Title: 西部太平洋熱帯水域の漂流物に伴う魚類
Other Titles: Flotsam Ichthyofauna in the Tropical Waters of the West Pacific Ocean
Authors: 木村, 基文 / 森井, 康宏 / 久野, 俊行 / 西田, 英明 / 吉村, 浩 / 秋重, 祐章 / 千田, 哲資
Authors (alternative): Kimura, Motofumi / Morii, Yasuhiro / Kuno, Toshiyuki / Nishida, Hideaki / Yoshimura, Hiroshi / Akishige, Yusho / Senta, Tetsushi
Issue Date: Mar-1998
Publisher: 長崎大学水産学部
Citation: 長崎大学水産学部研究報告. 1998, 79, p.9-20
Abstract: Fishes associated with flotsam in the tropical waters of the western Pacific were collected with four kinds of gears, mojako net (miniature purse seine), tuna purse seine,scoop net, and fish-larva net. Dominants in surface layer were Elagatis bipinnulata, Caranx sexfasciatus, Abudefduf vaigiensis, and Canthidermis maculatus, whereas schools of skipjacks and tunas under flotsam always stayed in layers deeper than 30m. Whereas Leptoscarus vaigiensis and Calcharhinus falciformis were an exclusive sargassum feeder anda piscivore, respectively, the most important food organismsfor most other fishes were crustacean plankton and larval anchovy, although pteropod, arrowworm, and polychaete were also well consumed by some fishes. It was found that at least some individuals of flotsam fishes in the ocean spendtheir larval/juvenile stage in the ocean and thereafter seek for flotsam there.
Keywords: クライアント / サーバ / インターネット / データ転送速度 / モデム / サテライトマリンホン / Pacific ocean / Flotsam / Ichthyofauna / Food habit
URI: http://hdl.handle.net/10069/9228
ISSN: 05471427
Type: Journal Article
Text Version: publisher
Appears in Collections:No. 79

Citable URI : http://hdl.handle.net/10069/9228

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