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学科主题: Acoustics
题名: Echolocation range of captive and free-ranging baiji (Lipotes vexillifer), finless porpoise (Neophocaena phocaenoides), and bottlenose dolphin (Tursiops truncatus)
作者: T.Akamatsu ; D.Wang ; K.Nakamura ; K.Wang
通讯作者: Akamatsu, T, Natl Res Inst Fisheries Engn, Hasaki, Ibaraki 3140421, Japan
关键词: SIGNALS ; CLICKS
刊名: JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA
发表日期: 1998
卷: 104, 期:4, 页:2511-2516
收录类别: SCI
部门归属: Natl Res Inst Fisheries Engn, Hasaki, Ibaraki 3140421, Japan; Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China; Hokkaido Univ, Fac Fisheries, Hakodate, Hokkaido 0410821, Japan
摘要: The interclick intervals of captive dolphins are known to be longer than the two-way transit time between the dolphin and a target. In the present study, the interclick intervals of free-ranging baiji, finless porpoises, and bottlenose dolphins in the wild and in captivity were compared. The click intervals in open waters ranged up to 100-200 ms, whereas the click intervals in captivity were in the order of 4-28 ms. Echolocation of free-ranging dolphins appears to adapt to various distance in navigation or ranging, sometimes up to 140 m. Additionally, the difference of waveform characteristics of clicks between species was recognized in the frequency of maximum energy and the click duration. (C) 1998 Acoustical Society of America. [S0001-4966(98)06609-0].
WOS记录号: WOS:000076374400064
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内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/152342/10216
Appears in Collections:中科院水生所知识产出(2009年前)_期刊论文

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T.Akamatsu; D.Wang; K.Nakamura; K.Wang.Echolocation range of captive and free-ranging baiji (Lipotes vexillifer), finless porpoise (Neophocaena phocaenoides), and bottlenose dolphin (Tursiops truncatus),JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA,1998,104(4):2511-2516
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