Stomach Content Analysis of Chub Mackerel Scomber japonicus Larvae by Quantification I Method.

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  • Ozawa Takakazu
    Faculty of Fisheries, Kagoshima University
  • Kawai Kazuhiko
    Faculty of Fisheries, Kagoshima University Imuka K. K. Faculty of Marine Science and Technology, Tokai University
  • Uotani Itsuro
    Faculty of Marine Science and Technology, Tokai University

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Other Title
  • 数量化Ｉ類によるマサバ仔魚の消化管内容物分析
  • スウリョウカ 1ルイ ニ ヨル マサバ シギョ ノ ショウカカン ナイヨウブツ

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Abstract

To clarify the factors influencing variation in gut content characteristics of Scomber japonicus larvae collected in the daytime off Sendai City, Kagoshima Pref., Quantification I analysis was made with 4 main food organisms (Appendicularia, Crustacean eggs, Evadne, and Oithona), weight of gut contents, and feeding incidence as the outside variables, and total length, sampling hours, and sampling stations as the items. The result showed that the variations of weight of gut contents, Appendicularia, and Oithona were influenced the most by total length, and those of the other 3 by sampling stations among the 3 items. However, the partial and multiple correlation coefficients between the outside variables and items were very low, except for feeding incidence. The composition of gut contents of spotted mackerel Scomber australasicus larvae is given in the Appendix Table.

Journal

  • NIPPON SUISAN GAKKAISHI

    NIPPON SUISAN GAKKAISHI 57 (7), 1241-1245, 1991

    The Japanese Society of Fisheries Science

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