相模湾西湘地区定置網漁場における漁獲物組成からみた漁場区分の年変化

  • 根本 雅生
    東京水産大学海洋環境学科
  • 清水 誠
    東京大学農学部水産学科 日本大学生物資源科学部海洋生物資源科学科

書誌事項

タイトル別名
  • The Yearly Fluctuations of Similarities Appearing in Species Composition of Set-net Fishing Grounds in the Seisyou Region of Sagami Bay.
  • サガミワン セイ ショウ チク テイチアミ ギョジョウ ニ オケル ギョカクブ

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抄録

The similarities appearing in species composition of set-net catch was examined to explicate the mechanism of catch fluctuation by using the cluster analysis on the six fishing grounds in the Seisyou region of Sagami Bay. The Seisyou region is located in the Western Sagami Bay.<br>As a result of similarities in species composition by cluster analysis, there is characterized for the tendency of dominant species catches, and then the similarities of set-net fishing grounds are classified by the five patterns. The yearly fluctuations of similarities varies in a short span of several years, influenced by species composition for each year. Further, the trend of Seisyou region is generally classified by Koyawata and Umezawa fishing grounds.

収録刊行物

  • 日本水産学会誌

    日本水産学会誌 64 (3), 384-392, 1998

    公益社団法人 日本水産学会

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