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学科主题: Acoustics
题名: Why do Chinese alligators (Alligator sinensis) form bellowing choruses: A playback approach
作者: Wang, Xianyan1, 2; Wang, Ding1; Zhang, Song3; Wang, Chaolin3; Wang, Renping3; Wu, Xiaobing4
通讯作者: Wang, D, Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China
关键词: TREEFROG HYLA-EBRACCATA ; MALE CALLING BEHAVIOR ; NEOTROPICAL TREEFROG ; FEMALE CHOICE ; ACOUSTIC INTERFERENCE ; AMERICAN ALLIGATOR ; SEXUAL SELECTION ; MATING SUCCESS ; COMMUNICATION ; EVOLUTION
刊名: JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA
发表日期: 2009-10-01
DOI: 10.1121/1.3203667
卷: 126, 期:4, 页:2082-2087
收录类别: SCI
文章类型: Article
部门归属: [Wang, Xianyan; Wang, Ding] Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China; [Wang, Xianyan] Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China; [Zhang, Song; Wang, Chaolin; Wang, Renping] Anhui Res Ctr Chinese Alligator Reprod, Xuancheng 242034, Peoples R China; [Wu, Xiaobing] Anhui Normal Univ, Coll Life Sci, Wuhu 241000, Peoples R China
WOS标题词: Science & Technology ; Technology ; Life Sciences & Biomedicine
资助者: National Basic Research Program of China [2007CB411600]; National Natural Science Foundation of China [30730018]
类目[WOS]: Acoustics ; Audiology & Speech-Language Pathology
研究领域[WOS]: Acoustics ; Audiology & Speech-Language Pathology
摘要: Crocodilians are quite vocal relative to other reptile groups, and the alligators are among the most vocal of the crocodilians. The Chinese alligator, Alligator sinensis, is usually solitary but engages in bellowing choruses in certain waters during the mating season. This paper reports the organization of Chinese alligator's bellowing choruses based upon field observations and playback experiments. Alligators of both genders engaged in the choruses, remaining immobile throughout and inclining toward bellowing synchronously (i.e., starting and finishing at about the same time). The choruses lasted about 10 min with abrupt onset and offset. Moreover, playback experiments revealed that both male and female alligators responded equally to bellowing stimuli from the same and opposite sexes and that none of the tested alligators approached the loudspeaker in spite of playback of male or female stimuli. These suggest that Chinese alligators. may not bellow to compete for or attract mates during the choruses. Instead, when their ecological behaviors, namely, dispersed inhabitation, multi-copulation, restricted mating season, etc., are considered, we hypothesize that they may synchronize bellows to enhance group detectability for assembling individuals into certain waters for subsequent copulations. (C) 2009 Acoustical Society of America. [DOI: 10.1121/1.3203667]
英文摘要: Crocodilians are quite vocal relative to other reptile groups, and the alligators are among the most vocal of the crocodilians. The Chinese alligator, Alligator sinensis, is usually solitary but engages in bellowing choruses in certain waters during the mating season. This paper reports the organization of Chinese alligator's bellowing choruses based upon field observations and playback experiments. Alligators of both genders engaged in the choruses, remaining immobile throughout and inclining toward bellowing synchronously (i.e., starting and finishing at about the same time). The choruses lasted about 10 min with abrupt onset and offset. Moreover, playback experiments revealed that both male and female alligators responded equally to bellowing stimuli from the same and opposite sexes and that none of the tested alligators approached the loudspeaker in spite of playback of male or female stimuli. These suggest that Chinese alligators. may not bellow to compete for or attract mates during the choruses. Instead, when their ecological behaviors, namely, dispersed inhabitation, multi-copulation, restricted mating season, etc., are considered, we hypothesize that they may synchronize bellows to enhance group detectability for assembling individuals into certain waters for subsequent copulations. (C) 2009 Acoustical Society of America. [DOI: 10.1121/1.3203667]
关键词[WOS]: TREEFROG HYLA-EBRACCATA ; MALE CALLING BEHAVIOR ; NEOTROPICAL TREEFROG ; FEMALE CHOICE ; ACOUSTIC INTERFERENCE ; AMERICAN ALLIGATOR ; SEXUAL SELECTION ; MATING SUCCESS ; COMMUNICATION ; EVOLUTION
语种: 英语
WOS记录号: WOS:000270778600039
ISSN号: 0001-4966
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/152342/7546
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.Anhui Res Ctr Chinese Alligator Reprod, Xuancheng 242034, Peoples R China
4.Anhui Normal Univ, Coll Life Sci, Wuhu 241000, Peoples R China

Recommended Citation:
Wang, Xianyan; Wang, Ding; Zhang, Song; Wang, Chaolin; Wang, Renping; Wu, Xiaobing.Why do Chinese alligators (Alligator sinensis) form bellowing choruses: A playback approach,JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA,2009,126(4):2082-2087
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