相模湾西湘地区定置網漁場における漁獲特性 The Catch Characteristics of Set-net Fishing Grounds in Seisyou Region of Sagami Bay

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It is important to understand the characteristics of fishing conditions for each fishing ground in the Seisyou region of Sagami Bay in order to explain the mechanism of catch fluctuation. Species compositions of the catch by six large-sized set-nets were analyzed by principal component analysis.<br>The Seisyou region of Sagami Bay was thus characterized by two principal components. The first principal component has positive correlations among all fishing grounds, and therefore seems to be a size factor. The second principal component has both positive and negative correlations among the Seisyou region, and therefore seems to be the degree of local polarization. The principal component tends to have a higher score for dominant species: black scraper, mackerel, sardine, horse mackerel, frigate mackerel.

収録刊行物

  • 日本水産学会誌

    日本水産学会誌 63(6), 947-955, 1997-11-15

    日本水産學會

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各種コード

  • NII論文ID(NAID)
    10004852224
  • NII書誌ID(NCID)
    AN00193422
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    00215392
  • NDL 記事登録ID
    4335231
  • NDL 雑誌分類
    ZR26(科学技術--農林水産--水産)
  • NDL 請求記号
    Z18-345
  • データ提供元
    CJP書誌  CJP引用  NDL  IR  J-STAGE 
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