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Detection of low-frequency tones and whale predator sounds by the American sand lance Ammodytes americanus

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dc.contributor.author Strobel, S. M.
dc.contributor.author Mooney, T. Aran
dc.date.accessioned 2012-10-11T18:18:19Z
dc.date.issued 2012-06
dc.identifier.uri http://hdl.handle.net/1912/5438
dc.description Author Posting. © The Author(s), 2012. This is the author's version of the work. It is posted here by permission of John Wiley & Sons for personal use, not for redistribution. The definitive version was published in Journal of Fish Biology 81 (2012): 1646-1664, doi:10.1111/j.1095-8649.2012.03423.x. en_US
dc.description.abstract Auditory evoked potentials (AEPs) were used to measure the hearing range and auditory sensitivity of the American sand lance Ammodytes americanus. Responses to amplitude modulated tone pips indicated that the hearing range extended from 50 to 400 Hz. Sound pressure thresholds were lowest between 200 and 400 Hz. Particle acceleration thresholds showed an improved sensitivity notch at 200 Hz but not substantial differences between frequencies and only a slight improvement in hearing abilities at lower frequencies. The hearing range was similar to Pacific sand lance A. personatus and variations between species may be due to differences in threshold evaluation methods. AEPs were also recorded in response to pulsed sounds simulating humpback whale Megaptera novaeangliae foraging vocalizations termed ‘megapclicks’. Responses were generated with pulses containing significant energy below 400 Hz. No responses were recorded using pulses with peak energy above 400 Hz. These results show that A. americanus can detect the particle motion component of low frequency tones and pulse sounds, including those similar to the low frequency components of megapclicks. Ammodytes americanus hearing may be used to detect environmental cues and the pulsed signals of mysticete predators. en_US
dc.description.sponsorship We also thank the Mountlake Research Fund, the Provost’s Fund for Senior Thesis Research and the Horton Elmer Fund, all of which provided the support for this study through Princeton University. A. Mooney was supported through a Woods Hole Postdoctoral Scholar award and the Andrew W. Mellon Fund for Innovative Research. en_US
dc.format.mimetype application/pdf
dc.language.iso en_US en_US
dc.relation.uri http://dx.doi.org/10.1111/j.1095-8649.2012.03423.x
dc.subject Auditory brainstem response ABR en_US
dc.subject Communication en_US
dc.subject Feeding en_US
dc.subject Noise en_US
dc.subject Sand eel en_US
dc.subject Sensory ecology en_US
dc.title Detection of low-frequency tones and whale predator sounds by the American sand lance Ammodytes americanus en_US
dc.type Preprint en_US
dc.description.embargo 2014-09-02 en_US
dc.embargo.liftdate 2014-09-02


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