マアジの聴覚閾値

DOI 日本農学文献記事索引 Web Site 被引用文献18件 参考文献11件

書誌事項

タイトル別名
  • マアジの聴覚しきい値
  • Auditory Threshold of Japanese Horse Mackerel Trachurus japonicus.
  • マアジ ノ チョウカク イキチ

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説明

The purpose of this paper is to investigate the auditory threshold of Japanese horse mackerel which is one of the important pelagic fish for Japanese fisheries. The hearing of fish was studied by means of a cardiac conditioning technique. Classical conditioning method was performed with the sound coupled with a delayed electric shock. The threshold was determined by analyzing the elec-trocardiogram. The sensable frequencies ranged widely from 70Hz to 3000Hz which was most stimulative to the Japanes horse mackerel. As the frequency becomes higher than 70Hz, the auditory threshold decreased. At 1000-1500Hz (sound pressure 81-75dB) when the fish's hearing was most sensitive, the threshold tends to increase more than one. Lastly, it was assumed that a round haul netter traffic noise caused an escape action for the fish shoal.

収録刊行物

  • 日本水産学会誌

    日本水産学会誌 61 (5), 695-699, 1995

    公益社団法人 日本水産学会

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