マイクロデータロガーによるイナダの遊泳行動解析 Migration of Immature Yellowtail Seriola quinqueradiata in the Open Sea Observed by an Acoustic Transmitter and Micro Data Recording Tags

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An acoustic transmitter and two micro data recording tags were used to observe the behavior of yellowtails <i>Seriola quinqueradiata</i>, in Sagami Bay, Japan from 24 October through 19 November. Depth data were continuously recorded for 23 days and temperature data for 27 days with a 20-minute interval. The yellowtails showed an apparent diurnal vertical migration pattern in their movements; they crossed the thermocline actively during the daylight hours, but calmed down and remained in the shallow layer above the thermocline at night. Their movements were changed by environmental temperature variation: 1) After the ambient water temperature rapidly decreased, a change was seen in the average depth and pattern in the vertical movement of the yellowtail. 2) They could move vertically to avoid the warm water from the Kuroshio because no ambient temperature rise and no shallower position were observed when the warm water intruded into the bay from the Kuroshio.

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  • 日本水産学会誌  

    日本水産学会誌 64(2), 197-203, 1998-03-15 

    日本水産學會

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各種コード

  • NII論文ID(NAID)
    10004852785
  • 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
    4437708
  • 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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