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光声振耦合对蝗虫趋光响应的激发效应

DOI: 10.6041/j.issn.1000-1298.2012.11.037, PP. 197-202

Keywords: 蝗虫,光声振耦合,趋光响应,激发效应

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Abstract:

依据蝗虫对光声振的响应特性,利用自行设计的光声振叠加效应激发蝗虫趋光响应的行为反应试验装置,进行了光声振耦合激发蝗虫趋光响应的试验。结果显示:光声振耦合对蝗虫趋光效应的激发起到增益增效作用,其对蝗虫的推拉驱动性激发效应,能够有效实现蝗虫的趋光诱导效应,其中组合光谱光照强度决定了蝗虫的趋光聚集效应,且光照度增加10倍,光声振激发蝗虫趋光聚集的效果提高25%;在一定范围内,光声振有效激发了蝗虫趋光定向响应,调控光照主导了蝗虫的趋光响应,振动决定了蝗虫趋光的驱动激发效果,而声频起增效增益性激发作用;光声振信号刺激蝗虫多重感受器,产生了有利蝗虫趋光聚集的叠加效应,声频模式、光谱光照调控模式与循环振动模式的合理组合,可有效提高蝗虫趋光效果。

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