南蝠回声定位叫声的分析  

Echolocation Calls Analyzing of Great Evening Bat (Ia io)

作　　者：冯江[1] 李振新[1] 周江[2] 赵辉华[3] 张树义[3] 

机构地区：[1]东北师范大学环境科学系,长春130024 [2]贵州师范大学生物系,贵阳550000 [3]中国科学院动物研究所,北京100080

出　　处：《Zoological Research》2001年第3期250-252,共3页动物学研究（英文）

基　　金：国家自然科学基金项目 (30 0 70 1 0 8);中国科学院生命科学与生物技术创新青年科学家小组资助

摘　　要：When they are flying,Great evening bat ( Ia io ) produces short FM echolocation calls including three harmonics,of which the first one and the second one are stronger.As they fly,the first harmonic is modulated from 49 0 to 18 3 kHz,the second one is modulated from 80 0 to 35 6 kHz,and the third one from 87 2 to 56 7 kHz.The average duration of the calls is 3 7 ms.It was predicted that Great evening bat ( Ia io ) captures big insects in the open area among foliages according to the sound characteristic analysis of echolocation calls and the analysis comparing with the echolocation calls of other bats that perch in the same cave.When they are flying,Great evening bat ( Ia io ) produces short FM echolocation calls including three harmonics,of which the first one and the second one are stronger.As they fly,the first harmonic is modulated from 49 0 to 18 3 kHz,the second one is modulated from 80 0 to 35 6 kHz,and the third one from 87 2 to 56 7 kHz.The average duration of the calls is 3 7 ms.It was predicted that Great evening bat ( Ia io ) captures big insects in the open area among foliages according to the sound characteristic analysis of echolocation calls and the analysis comparing with the echolocation calls of other bats that perch in the same cave.

关 键 词：南蝠 回声定位叫声 调频信号 谐波 捕食策略 

分 类 号：Q958[生物学—动物学]