The echolocation transmission beam of free-ranging Indo-Pacific humpback dolphins (Sousa chinensis)
Fang, Liang1,2; Wu, Yuping1; Wang, Kexiong2; Pine, Matthew K.2; Wang, Ding2; Li, Songhai3; Wang, Ding(Chinese Acad Sci, Inst Hydrobiol, Key Lab Aquat Biodivers & Conservat, Wuhan 430072, Hubei, Peoples R China)
2017-08-01
发表期刊JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA
卷号142期号:2页码:771-779
产权排序第3完成单位
摘要

While the transmission beam of odontocetes has been described in a number of studies, the majority of them that have measured the transmission beam in two dimensions were focused on captive animals. Within the current study, a dedicated cross hydrophone array with nine elements was used to investigate the echolocation transmission beam of free-ranging Indo-Pacific humpback dolphins. A total of 265 on-axis clicks were analyzed, from which the apparent peak to peak source levels ranged between 168 to 207 dB (mean 184.5 dB +/- 6.6 dB). The 3-dB beam width along the horizontal and vertical plane was 9.6 degrees and 7.4 degrees, respectively. Measured separately, the directivity index of the horizontal and vertical plane was 12.6 and 13.5 dB, respectively, and the overall directivity index (both planes combined) was 29.5 dB. The beam shape was slightly asymmetrical along the horizontal and vertical axis. Compared to other species, the characteristics of the transmitting beam of Indo-Pacific humpback dolphins were relatively close to the bottlenose dolphin (Tursiops truncatus), likely due to the similarity in the peak frequency and waveform of echolocation clicks and comparable body sizes of the two species. (C) 2017 Author(s).

文章类型Article
WOS标题词Science & Technology ; Technology ; Life Sciences & Biomedicine
DOI10.1121/1.4996499
URL查看原文
收录类别SCI
语种英语
关键词[WOS]FALSE KILLER WHALE ; TURSIOPS-TRUNCATUS ; PSEUDORCA-CRASSIDENS ; PHOCOENA-PHOCOENA ; HARBOR PORPOISE ; HONG-KONG ; CLICKS ; PATTERN ; SIGNALS ; PARAMETERS
WOS类目Acoustics ; Audiology & Speech-Language Pathology
WOS记录号WOS:000409135800040
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文献类型期刊论文
版本出版稿
条目标识符http://ir.idsse.ac.cn/handle/183446/4766
专题深海科学研究部_深海生物学研究室_海洋哺乳动物与海洋生物声学研究组
通讯作者Wang, Ding(Chinese Acad Sci, Inst Hydrobiol, Key Lab Aquat Biodivers & Conservat, Wuhan 430072, Hubei, Peoples R China)
作者单位1.Sun Yat Sen Univ, South China Sea Bioresource Exploitat & Utilizat, Guangdong Prov Key Lab Marine Resources & Coastal, Zhuhai Key Lab Marine Bioresource & Environm, Guangzhou 510275, Guangdong, Peoples R China
2.Chinese Acad Sci, Inst Hydrobiol, Key Lab Aquat Biodivers & Conservat, Wuhan 430072, Hubei, Peoples R China
3.Chinese Acad Sci, Inst Deep Sea Sci & Engn, Sanya Key Lab Marine Mammal & Marine Bioacoust, Sanya 572000, Peoples R China
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Fang, Liang,Wu, Yuping,Wang, Kexiong,et al. The echolocation transmission beam of free-ranging Indo-Pacific humpback dolphins (Sousa chinensis)[J]. JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA,2017,142(2):771-779.
APA Fang, Liang.,Wu, Yuping.,Wang, Kexiong.,Pine, Matthew K..,Wang, Ding.,...&Wang, Ding.(2017).The echolocation transmission beam of free-ranging Indo-Pacific humpback dolphins (Sousa chinensis).JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA,142(2),771-779.
MLA Fang, Liang,et al."The echolocation transmission beam of free-ranging Indo-Pacific humpback dolphins (Sousa chinensis)".JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA 142.2(2017):771-779.
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