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  1. 水産研究・教育機構出版物
  2. 水産大学校研究報告
  3. 第38巻

トンガ海嶺の海山漁場探査

https://fra.repo.nii.ac.jp/records/2011518
https://fra.repo.nii.ac.jp/records/2011518
86b9c87b-6d56-4e36-b6c3-35ff2046878d
アイテムタイプ 紀要論文 / Departmental Bulletin Paper(1)
公開日 2024-10-11
タイトル
タイトル トンガ海嶺の海山漁場探査
言語 ja
タイトル
タイトル Fishery and echo surveys on the seamounts in the Tonga ridge using a global positioning system
言語 en
言語
言語 jpn
資源タイプ
資源タイプ識別子 http://purl.org/coar/resource_type/c_6501
資源タイプ departmental bulletin paper
アクセス権
アクセス権 open access
アクセス権URI http://purl.org/coar/access_right/c_abf2
著者 貞包, 弘之

× 貞包, 弘之

WEKO 2909

en Sadakane, Hiroyuki(Organizational)

ja 貞包, 弘之(Organizational)

ja-Kana サダカネ, ヒロユキ(Organizational)

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武田, 靖昭

× 武田, 靖昭

WEKO 2914

en Takeda, Yasuaki(Organizational)

ja 武田, 靖昭(Organizational)

ja-Kana タケダ, ヤスアキ(Organizational)

Search repository
田渕, 清春

× 田渕, 清春

WEKO 2908

en Tabuchi, Kiyoharu(Organizational)

ja 田渕, 清春(Organizational)

ja-Kana タブチ, キヨハル(Organizational)

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巽, 重夫

× 巽, 重夫

WEKO 2915

en Tatsumi, Shigeo(Organizational)

ja 巽, 重夫(Organizational)

ja-Kana タツミ, シゲオ(Organizational)

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西山, 友子

× 西山, 友子

WEKO 2916

en Nishiyama, Tomoko(Organizational)

ja 西山, 友子(Organizational)

ja-Kana ニシヤマ, トモコ(Organizational)

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抄録
内容記述タイプ Abstract
内容記述 Echo-surveys are basically important to evaluate the productivity of fishing grounds extending over the southern part of the Tonga Islands. However, seamounts and their bottom configurations in this area are not known in detail. As part of a fishery development program in cooperation with the government of Tonga and FAO, echo-surveys and line fishing tests were conducted in December 1987. Five subareas (A, B, C, D, and E) were chosen after making a preliminary echo-survey in the southern part of the Tonga Ridge, in which there were some seamounts reported so far, but the details of these seamount's tops and vicinities were not clearly surveyed. Prior to the surveys, four cross lines were set in the subarea A and the parallel lines were set in other four subareas to clarify the configurations and depth contours. The ship's positions were determined by a Global Positioning System (GPS) along the sounding lines during survey at 0. 25-2. 0 n. miles intervals. In the subareas B and C, the configurations of two seamounts were clearly measured; one being a pinnacled shape with steep slope and other being a conical shape with gentle slope. The position of the seamount in subarea B did not differ greatly from that shown in charts. The positions, depth contour lines and shapes of the seamounts in subarea A, C and E differed considerably from those shown in charts. Also, it was found from the present surveys that a seamount in subarea D was not in existence. As a result of line fishing tests made in the subarea A, six species of high-value fish were caught. The GPS is one of the most important satellite devices to get reliable ship's position, especially in the water of the Tonga Islands.
言語 en
書誌情報 ja : 水産大学校研究報告
en : The Journal of the Shimonoseki University of Fisheries

巻 38, 号 1, p. 1-6, ページ数 6, 発行日 1989-12-25
出版者
出版者 水産大学校
言語 ja
出版者
出版者 the Shimonoseki University of Fisheries
言語 en
ISSN
収録物識別子タイプ PISSN
収録物識別子 0370-9361
書誌レコードID
収録物識別子タイプ NCID
収録物識別子 AN00124678
情報源
識別子タイプ Local
関連識別子 fishu_k_38_1
関連サイト
識別子タイプ URI
関連識別子 https://agriknowledge.affrc.go.jp/RN/2010451656
言語 ja
関連名称 日本農学文献記事索引(agriknowledge)
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