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New stereo acoustic data logger for free-ranging dolphins and porpoises
Akamatsu, T; Matsuda, A; Suzuki, S; Wang, D; Wang, KX; Suzuki, M; Muramoto, H; Sugiyama, N; Oota, K
AbstractTo 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.
WOS HeadingsScience & Technology ; Technology ; Physical Sciences
Indexed BySCI
WOS Research AreaEngineering ; Oceanography
WOS SubjectEngineering, Ocean ; Oceanography
WOS IDWOS:000231035300001
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Document Type期刊论文
AffiliationChinese Acad Sci, Inst Hydrobiol, Beijing, Peoples R China
Recommended Citation
GB/T 7714
Akamatsu, T,Matsuda, A,Suzuki, S,et al. New stereo acoustic data logger for free-ranging dolphins and porpoises[J]. MARINE TECHNOLOGY SOCIETY JOURNAL,2005,39(2):3-9.
APA Akamatsu, T.,Matsuda, A.,Suzuki, S.,Wang, D.,Wang, KX.,...&Oota, K.(2005).New stereo acoustic data logger for free-ranging dolphins and porpoises.MARINE TECHNOLOGY SOCIETY JOURNAL,39(2),3-9.
MLA Akamatsu, T,et al."New stereo acoustic data logger for free-ranging dolphins and porpoises".MARINE TECHNOLOGY SOCIETY JOURNAL 39.2(2005):3-9.
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