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学科主题: Acoustics
题名: Simultaneous production of low- and high-frequency sounds by neonatal finless porpoises
作者: Li, Songhai1; Wang, Kexiong1; Wang, Ding1; Dong, Shouyue1, 2; Akamatsu, Tomonari3
通讯作者: Wang, D, Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China
关键词: ONTOGENY ; DOLPHIN
刊名: JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA
发表日期: 2008-08-01
DOI: 10.1121/1.2945152
卷: 124, 期:2, 页:716-718
收录类别: SCI
文章类型: Article
部门归属: [Li, Songhai; Wang, Kexiong; Wang, Ding; Dong, Shouyue] Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China; [Dong, Shouyue] Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China; [Akamatsu, Tomonari] Fisheries Res Agcy, NRIFE, Ibaraki 3140408, Japan
WOS标题词: Science & Technology ; Technology ; Life Sciences & Biomedicine
类目[WOS]: Acoustics ; Audiology & Speech-Language Pathology
研究领域[WOS]: Acoustics ; Audiology & Speech-Language Pathology
摘要: Phocoenids are generally considered to be nonwhistling species that produce only high-frequency pulsed sounds. Here our results show that neonatal finless porpoises (Neophocaena phocaenoides) frequently produce clear low-frequency (2-3 kHz) pulsed signals, without distinct high-frequency energy, just after birth and can produce both low- (2-3 kHz) and high-frequency (>100 kHz) pulsed signals simultaneously until about 20 days postnatal. The results indicate that low-frequency signals of neonatal finless porpoises are not an early form of high-frequency signals and suggest that low- and high-frequency signals may be produced by different sound production mechanisms. (C) 2008 Acoustical Society of America.
英文摘要: Phocoenids are generally considered to be nonwhistling species that produce only high-frequency pulsed sounds. Here our results show that neonatal finless porpoises (Neophocaena phocaenoides) frequently produce clear low-frequency (2-3 kHz) pulsed signals, without distinct high-frequency energy, just after birth and can produce both low- (2-3 kHz) and high-frequency (>100 kHz) pulsed signals simultaneously until about 20 days postnatal. The results indicate that low-frequency signals of neonatal finless porpoises are not an early form of high-frequency signals and suggest that low- and high-frequency signals may be produced by different sound production mechanisms. (C) 2008 Acoustical Society of America.
关键词[WOS]: ONTOGENY ; DOLPHIN
语种: 英语
WOS记录号: WOS:000258230500012
ISSN号: 0001-4966
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/152342/8048
Appears in Collections:中科院水生所知识产出(2009年前)_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
3.Fisheries Res Agcy, NRIFE, Ibaraki 3140408, Japan

Recommended Citation:
Li, Songhai; Wang, Kexiong; Wang, Ding; Dong, Shouyue; Akamatsu, Tomonari.Simultaneous production of low- and high-frequency sounds by neonatal finless porpoises,JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA,2008,124(2):716-718
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