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Echolocation click sounds from wild inshore finless porpoise (Neophocaena phocaenoides sunameri) with comparisons to the sonar of riverine N. p. asiaeorientalis
Li, Songhai; Wang, Ding; Wang, Kexiong; Akamatsu, Tornonari; Ma, Zhiqiang; Han, Jiabo; Wang, D, Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China
2007-06-01
Source PublicationJOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA
ISSN0001-4966
Volume121Issue:6Pages:3938-3946
AbstractAcoustic signals from wild Neophocaena phocaenoides sunameri were recorded in the waters off Liao-dong-wan Bay located in Bohai Sea, China. Signal analysis shows that N. p. sunameri produced "typical" phocoenid clicks. The peak frequencies f(p), of clicks ranged from. 113 to 131 kHz with an average of 121 +/- 3.78 kHz (n=71). The 3 dB bandwidths Delta f ranged from 10.9 to 25.0 kHz with an average of 17.5 +/- 3.30 kHz. The signal durations At ranged from 56 to 109 mu s with an average 80 +/- 11.49 mu s. The number of cycles N, ranged from 7 to 13 with an average of 9 +/- 1.48. With increasing peak frequency there was a faint tendency of decrease in bandwidth, which implies a nonconstant value of f(p)/Delta f. On occasion there were some click trains with faint click energy presenting below 70 kHz, however, it was possibly introduced by interference effect from multiple pulses structures. The acoustic parameters of the clicks were compared between the investigated population and a riverine population of finless porpoise. (c) 2007 Acoustical Society of America.; Acoustic signals from wild Neophocaena phocaenoides sunameri were recorded in the waters off Liao-dong-wan Bay located in Bohai Sea, China. Signal analysis shows that N. p. sunameri produced "typical" phocoenid clicks. The peak frequencies f(p), of clicks ranged from. 113 to 131 kHz with an average of 121 +/- 3.78 kHz (n=71). The 3 dB bandwidths Delta f ranged from 10.9 to 25.0 kHz with an average of 17.5 +/- 3.30 kHz. The signal durations At ranged from 56 to 109 mu s with an average 80 +/- 11.49 mu s. The number of cycles N, ranged from 7 to 13 with an average of 9 +/- 1.48. With increasing peak frequency there was a faint tendency of decrease in bandwidth, which implies a nonconstant value of f(p)/Delta f. On occasion there were some click trains with faint click energy presenting below 70 kHz, however, it was possibly introduced by interference effect from multiple pulses structures. The acoustic parameters of the clicks were compared between the investigated population and a riverine population of finless porpoise. (c) 2007 Acoustical Society of America.
SubtypeArticle
KeywordCephalorhynchus-commersonii Harbor Porpoise Signals Dolphin Phocoena Pulse
DepartmentChinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China; Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China; Natl Res Inst Fisheries Engn, Fisheries Res Agcy, Ibaraki 3140408, Japan; Liaoning Acad Marine Fishery Sci, Dalian 116023, Peoples R China
Subject AreaAcoustics
DOI10.1121/1.2721658
WOS HeadingsScience & Technology ; Technology ; Life Sciences & Biomedicine
Indexed BySCI
Language英语
WOS Research AreaAcoustics ; Audiology & Speech-Language Pathology
WOS SubjectAcoustics ; Audiology & Speech-Language Pathology
WOS IDWOS:000247410500064
WOS KeywordCEPHALORHYNCHUS-COMMERSONII ; HARBOR PORPOISE ; SIGNALS ; DOLPHIN ; PHOCOENA ; PULSE
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Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/152342/8536
Collection期刊论文
Corresponding AuthorWang, D, Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China
Affiliation1.Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
3.Natl Res Inst Fisheries Engn, Fisheries Res Agcy, Ibaraki 3140408, Japan
4.Liaoning Acad Marine Fishery Sci, Dalian 116023, Peoples R China
Recommended Citation
GB/T 7714
Li, Songhai,Wang, Ding,Wang, Kexiong,et al. Echolocation click sounds from wild inshore finless porpoise (Neophocaena phocaenoides sunameri) with comparisons to the sonar of riverine N. p. asiaeorientalis[J]. JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA,2007,121(6):3938-3946.
APA Li, Songhai.,Wang, Ding.,Wang, Kexiong.,Akamatsu, Tornonari.,Ma, Zhiqiang.,...&Wang, D, Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China.(2007).Echolocation click sounds from wild inshore finless porpoise (Neophocaena phocaenoides sunameri) with comparisons to the sonar of riverine N. p. asiaeorientalis.JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA,121(6),3938-3946.
MLA Li, Songhai,et al."Echolocation click sounds from wild inshore finless porpoise (Neophocaena phocaenoides sunameri) with comparisons to the sonar of riverine N. p. asiaeorientalis".JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA 121.6(2007):3938-3946.
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