Study tracks Harbour porpoise pod to observe behavioural reactions to modelled broadband noise. Exposure above ambient level recorded one third of time. Reacted by diving deeper....
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Noise-induced temporary hearing threshold shift (TTS) was studied in a harbour porpoise exposed to impulsive sounds of scaled-down airguns while both stationary and free-swimming for up...
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Hearing thresholds for harbour seals for 2 tonal bands masked by sinusoidal amplitude-modulated (SAM) noise bands is studied with a psychoacoustic technique. Masking release due to...
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Sea mammals are under threat across the world. Pollution, capture in fishing nets, over-fishing of their food supplies, hunting and other factors are contributing to this...
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Safety criteria for underwater sound produced during offshore pile driving are needed to protect marine mammals. A harbor porpoise was exposed to fatiguing noise at 18...
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Safety criteria for mid-frequency naval sonar sounds are needed to protect harbor porpoise hearing. A porpoise was exposed to sequences of one-second 6–7 kHz sonar down-sweeps,...
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An auditory study was conducted to derive data on temporary threshold shift (TTS) induced by single impulses. This information should serve as basis for the definition...
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Safety criteria for underwater low-frequency active sonar sounds produced during naval exercises are needed to protect harbor porpoise hearing. As a first step toward defining criteria,...
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Safety criteria for mid-frequency naval sonar sounds are needed to protect harbor porpoise hearing. A porpoise was exposed to sequences of one-second 6–7 kHz sonar down-sweeps,...
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Safety criteria for underwater sound produced during offshore pile driving are needed to protect marine mammals. A harbor porpoise was exposed to fatiguing noise at 18...
Read More