草鱼网围养殖区声波的研究Sound Wave of Grass Carp's Enclosure Culture Area
曹瑜,施炜纲,彭晓星
摘要(Abstract)：
对网围养殖区内草鱼的活动声波进行了采集与分析,并将采集的声波进行了回放。结果表明,草鱼网围养殖区声波频率范围为0~3.2 kHz,整个频段内没有宽带波峰。在草鱼饥饿、食饵和饱食的不同状态下养殖区内的水声特性有一定的差异。研究表明在网围养殖区通过声波回放能对草鱼起到诱集作用,在投饵回放、投饵不回放及不投饵回放声波的情况下,草鱼的响应时间分别为2.55、3.504、.80 min,存在显著差异。回放持续性声波和间隔性声波在响应时间上不存在显著差异。
关键词(KeyWords)： 网围养殖区;声波特征;草鱼;条件反射
基金项目(Foundation): 国家“九五”科技攻关项目(96-008-02)
作者(Author): 曹瑜,施炜纲,彭晓星
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