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题名: New stereo acoustic data logger for free-ranging dolphins and porpoises
作者: Akamatsu, T; Matsuda, A; Suzuki, S; Wang, D; Wang, KX; Suzuki, M; Muramoto, H; Sugiyama, N; Oota, K
刊名: MARINE TECHNOLOGY SOCIETY JOURNAL
发表日期: 2005-06-01
卷: 39, 期:2, 页:3-9
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ; Technology ; Physical Sciences
类目[WOS]: Engineering, Ocean ; Oceanography
研究领域[WOS]: Engineering ; Oceanography
英文摘要: To observe the bio-sonar behavior of dolphins and, porpoises, a, miniature stereo acous tic data logger was developed to record the echolocation clicks of small cetaceans. The 'A-tag' device is small enough to be attached to a dolphin or porpoise. A-tag can record the sonar pulse intensity, precise inter-click-intervals, and time difference between sounds arriving at two different hydrophones. The A-tag works for up to 60 hours continuously and allows observation of the sonar target range of free-ranging odontocetes. The time of arrival at the two hydrophones on the tag allows vocalizations from nearby individuals to be identified. A less invasive tagging technique using a suction cup was also developed. A mean attachment time of 15 hours was obtained on free ranging finless porpoises in a freshwater system in China. The A-tag proved to be a useful tool for investigating the underwater echolocation behavior of odontocetes.
关键词[WOS]: BEHAVIOR ; TAG
语种: 英语
WOS记录号: WOS:000231035300001
ISSN号: 0025-3324
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/25900
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, Beijing, Peoples R China
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