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冯江, 张树义①赵辉华①, 冯江②, 盛连喜⑦, 李振新②, 王立新③
科学通报,2000,45,(5):526~528,-0001,():
-1年11月30日
长尾鼠耳蝠在飞行状态下发出的回声定位叫声为短调频型。叫声包括3个谐波,其中第1谐波最强且出现于所有的叫声中,频率起始于110.8:kHz,结束于50.2:kHz,持续3.5ms。第2,3谐波较弱,分别出现于50.0%和25.0%的叫声中,调频范围为138.4-116.6和193.6~170.8kHz。根据回声定位叫声的特点,推断长尾鼠耳蝠是在复杂环境中捕食地面昆虫
长尾鼠耳蝠(, Myoasfrater), , 回声定位叫声, 调频信号, 飞行谐波
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【期刊论文】Relationship between echolocation frequency and body size in two species of hipposiderid bats
冯江, ZHANG Shuyi, ZHAO Huihua, FENG Jiang, SHENG Lianxi, WANG Hui, & WANG Lixin
Chinese Science Bulltin Vol. 45 No.17 September 2000,-0001,():
-1年11月30日
Frequencies of echolocation calls with maximum power of Himalayan leaf-nosed bats and Horsfield's leaf-nosed bats during searching phase were 74.1 and 92.1kHz, respectively. Head-body length, forearm length and body mass of Himalayan leaf-nosed bats were 82.9mm, 89.7mm and 59.1g, respectively; and the corresponding values of Horsfield's leaf-nosed bats were 68.4mm, 61.3mm and 19.7g, respectively. Echolocation frequency and the three parameters of body size, head-body length, forearm length and body mass, were all negatively correlated, and the correlation coefficients were -0.86, -1.58 and 2.19, respectively. This study thereby proved that echolocation frequency and body size were negatively correlated in the two species of hipposiderid bats.
Himalayan leaf-nosed bats (, Hipposideros armiger), ,, Horsfield', s leaf-nosed bats (, Hipposideros larvatus), ,, echolocation calls,, body size.,
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冯江, 冯江①, 张树义②, 李振新①②, 盛连喜①, 王立新③
动物学报46 (2): 230~232, 2000,-0001,():
-1年11月30日
马铁菊头蝠,, 行为,, 回声定位叫声
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冯江, 李振新, 陈敏, 赵辉华, 张树义, 周江, 谢家骅
,-0001,():
-1年11月30日
对鼠耳蝠属两种蝙蝠飞行状态下的声发射进行了比较研究。结果表明:两种鼠耳蝠声发射信号的声谱图都呈调频(FM)型,但在波形及频率范围上有明显差异。大鼠耳蝠(四川亚种)的声脉冲宽度很小(1.6±0.3ms),能率环较低(4.0%),其主频率(DF=44.6±4.3kHz)也较低;而水鼠耳蝠的声脉冲宽度较大(4.2±1.6ms),能率环(9.6%)及主频率(DF=83.0±4.0kHz)也较高。文中结合两种蝙蝠的形态及食性分析了回声定位对捕食生境及捕食策略的适应性。
鼠耳蝠 回声定位 捕食策略 比较
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