集魚灯下における漁獲対象群の交替

DOI 日本農学文献記事索引 Web Site 被引用文献1件

書誌事項

タイトル別名
  • A Turnover of Fish School Attracted to a Fish Lamp
  • シュウギョトウカ ニ オケル ギョカク タイショウグン ノ コウタイ

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説明

This study was conducted to examine a turnover of fish school attracted to a fish lamp during fishing operation. Fishes drawn to a fish lamp were marked by being fed dyed chum bait (minced anchovy with food coloring) and then hooked, having stomach contents examined on board. The catch was recorded at certain intervals of time and the school was monitored by a fish finder. The food coloring appeared to have an adverse effect on spooted macherel. Those hooked before and after the use of dyed chum bait showed clear differences in stomach contents or body size. It was evident that a turnover of shcools under the fish lamp took place. The chemical effect of the food coloring was tested electrophysiologically on the minnow.

収録刊行物

  • 日本水産学会誌

    日本水産学会誌 48 (10), 1397-1400, 1982

    公益社団法人 日本水産学会

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