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题名: Whistle characteristics of free-ranging Indo-Pacific humpback dolphins (Sousa chinensis) in Sanniang Bay, China
作者: Wang, Zhitao1, 2; Fang, Liang1, 2; Shi, Wenjing1, 2; Wang, Kexiong1; Wang, Ding1
通讯作者: Wang, KX (reprint author), Chinese Acad Sci, Inst Hydrobiol, Key Lab Aquat Biodivers & Conservat, Wuhan 430072, Peoples R China.
关键词: BOTTLE-NOSED DOLPHINS ; GEOGRAPHIC VARIATIONS ; TURSIOPS-ADUNCUS ; SOUTHEASTERN BRAZIL ; SPINNER DOLPHINS ; LOCAL HABITAT ; HONG-KONG ; POPULATIONS ; TRUNCATUS ; AUSTRALIA
刊名: JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA
发表日期: 2013-04-01
DOI: 10.1121/1.4794390
卷: 133, 期:4, 页:2479-2489
收录类别: SCI
文章类型: Article
部门归属: [Wang, Zhitao ; Fang, Liang ; Shi, Wenjing ; Wang, Kexiong ; Wang, Ding] Chinese Acad Sci, Inst Hydrobiol, Key Lab Aquat Biodivers & Conservat, Wuhan 430072, Peoples R China ; [Wang, Zhitao ; Fang, Liang ; Shi, Wenjing] Univ Chinese Acad Sci, Beijing 100039, Peoples R China
WOS标题词: Science & Technology ; Technology ; Life Sciences & Biomedicine
资助者: National Natural Science Foundation of China [31070347]; Chinese Ministry of Science and Technology [2011BAG07B05-3]; State Oceanic Administration of China [201105011]
类目[WOS]: Acoustics ; Audiology & Speech-Language Pathology
研究领域[WOS]: Acoustics ; Audiology & Speech-Language Pathology
摘要: Broadband recording systems were adapted to characterize the whistle characteristics of free-ranging Indo-Pacific humpback dolphins (Sousa chinensis) in Sanniang Bay, China. A total of 4630 whistles were recorded, of which 2651 with legible contours and relatively good signal-to-noise ratios were selected for statistical analysis. Of the six tonal types (i.e., flat, down, rise, convex, U-shaped, and sine), flat (N - 1426; 39.45%) was the most predominant, followed by down (N - 754; 23.35%) and rise (N - 489; 12.34%). The whistles showed a short duration (mean +/- SD: 370.19 +/- 285.61 ms; range: 29-2923 ms), a broad frequency range (fundamental contour ranged from 0.52 to 33 kHz), and two harmonics (mean +/- SD: 1.90 +/- 2.74, with the maximum frequency of harmonics beyond 96 kHz). Whistles without gaps and stairs accounted for 76.7% and 86.4%, respectively. No significant interspecies differences in frequency parameters were observed compared with S. teuszii, which is inconsistent with morphological taxonomies but confirms phylogenetic results, thus suggesting a close relation between Chinese S. chinensis and Atlantic S. teuszii. Significant intra- and interspecific differences in the genus Sousa were also observed, indicating that animal vocalization may not be limited by genetically determined traits but could also be a function of local habitat adaptation. (C) 2013 Acoustical Society of America.
英文摘要: Broadband recording systems were adapted to characterize the whistle characteristics of free-ranging Indo-Pacific humpback dolphins (Sousa chinensis) in Sanniang Bay, China. A total of 4630 whistles were recorded, of which 2651 with legible contours and relatively good signal-to-noise ratios were selected for statistical analysis. Of the six tonal types (i.e., flat, down, rise, convex, U-shaped, and sine), flat (N - 1426; 39.45%) was the most predominant, followed by down (N - 754; 23.35%) and rise (N - 489; 12.34%). The whistles showed a short duration (mean +/- SD: 370.19 +/- 285.61 ms; range: 29-2923 ms), a broad frequency range (fundamental contour ranged from 0.52 to 33 kHz), and two harmonics (mean +/- SD: 1.90 +/- 2.74, with the maximum frequency of harmonics beyond 96 kHz). Whistles without gaps and stairs accounted for 76.7% and 86.4%, respectively. No significant interspecies differences in frequency parameters were observed compared with S. teuszii, which is inconsistent with morphological taxonomies but confirms phylogenetic results, thus suggesting a close relation between Chinese S. chinensis and Atlantic S. teuszii. Significant intra- and interspecific differences in the genus Sousa were also observed, indicating that animal vocalization may not be limited by genetically determined traits but could also be a function of local habitat adaptation. (C) 2013 Acoustical Society of America.
关键词[WOS]: BOTTLE-NOSED DOLPHINS ; GEOGRAPHIC VARIATIONS ; TURSIOPS-ADUNCUS ; SOUTHEASTERN BRAZIL ; SPINNER DOLPHINS ; LOCAL HABITAT ; HONG-KONG ; POPULATIONS ; TRUNCATUS ; AUSTRALIA
语种: 英语
项目资助者: National Natural Science Foundation of China(31070347) ; Chinese Ministry of Science and Technology(2011BAG07B05-3) ; State Oceanic Administration of China(201105011)
WOS记录号: WOS:000318555300077
ISSN号: 0001-4966
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/19259
Appears in Collections:水生生物多样性与资源保护研究中心_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Hydrobiol, Key Lab Aquat Biodivers & Conservat, Wuhan 430072, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100039, Peoples R China

Recommended Citation:
Wang, ZT; Fang, L; Shi, WJ; Wang, KX; Wang, D.Whistle characteristics of free-ranging Indo-Pacific humpback dolphins (Sousa chinensis) in Sanniang Bay, China,JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA,2013,133(4):2479-2489
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