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学科主题: Acoustics
题名: Noise-induced temporary threshold shift and recovery in Yangtze finless porpoises Neophocaena phocaenoides asiaeorientalis
作者: Popov, Vladimir V. ; Supin, Alexander Ya. ; Wang, Ding ; Wang, Kexiong ; Dong, Lijun ; Wang, Shiyong
通讯作者: Supin, AY (reprint author), Russian Acad Sci, Inst Ecol & Evolut, 33 Leninsky Prospect, Moscow 119071, Russia ; alex_supin@mail.ru
关键词: DOLPHIN TURSIOPS-TRUNCATUS ; MASKED HEARING THRESHOLDS ; BOTTLE-NOSED DOLPHINS ; DELPHINAPTERUS-LEUCAS ; PHOCOENA-PHOCOENA ; EXPOSURE ; POTENTIALS ; SOUNDS ; TONES
刊名: JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA
发表日期: 2011
卷: 130, 期:1, 页:574-584
收录类别: SCI
部门归属: [Popov, VV; Supin, AY] Russian Acad Sci, Inst Ecol & Evolut, Moscow 119071, Russia; [Wang, D; Wang, KX; Dong, LJ; Wang, SY] Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China
资助者: National Natural Science Foundation of China[30730018]; Russian Foundation for basic research[09-04-00688]
摘要: In Yangtze finless porpoises Neophocaena phocaenoides asiaeorientalis, the effects of fatiguing noise on hearing thresholds at frequencies of 32, 45, 64, and 128 kHz were investigated. The noise parameters were: 0.5-oct bandwidth, -1 to +0.5 oct relative to the test frequency, 150 dB re 1 mu Pa (140-160 dB re 1 mu Pa in one measurement series), with 1-30 min exposure time. Thresholds were evaluated using the evoked-potential technique allowing the tracing of threshold variations with a temporal resolution better than 1 min. The most effective fatiguing noise was centered at 0.5 octave below the test frequency. The temporary threshold shift (TTS) depended on the frequencies of the fatiguing noise and test signal: The lower the frequencies, the bigger the noise effect. The time-to-level trade of the noise effect was incomplete: the change of noise level by 20 dB resulted in a change of TTS level by nearly 20 dB, whereas the tenfold change of noise duration resulted in a TTS increase by 3.8-5.8 dB. (C) 2011 Acoustical Society of America. [DOI: 10.1121/1.3596470]
语种: 英语
WOS记录号: WOS:000292920700063
ISSN号: 0001-4966
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/16255
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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Popov, Vladimir V.; Supin, Alexander Ya.; Wang, Ding; Wang, Kexiong; Dong, Lijun; Wang, Shiyong.Noise-induced temporary threshold shift and recovery in Yangtze finless porpoises Neophocaena phocaenoides asiaeorientalis,JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA,2011,130(1):574-584
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