Narrowband noise induces frequency-specific underwater temporary threshold shifts in freshwater turtles

Salas, Andria K.; Sims, Michele A.; Harms, Craig A.; Piniak, Wendy E. D.; Mooney, T. Aran

doi:10.1121/10.0028321

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Narrowband noise induces frequency-specific underwater temporary threshold shifts in freshwater turtles

2024
By Salas, Andria K. ; Sims, Michele A. ; Harms, Craig A. ; ...
Source: JASA Express Letters, 4(8)

Public Access Version Available on: May 01, 2025, 12:00 AM

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Journal Title:

JASA Express Letters
Personal Author:

Salas, Andria K. ; Sims, Michele A. ; Harms, Craig A. ; Piniak, Wendy E. D. ; Mooney, T. Aran

Salas, Andria K. ; Sims, Michele A. ; Harms, Craig A. ; Piniak, Wendy E. D. ; Mooney, T. Aran Less -
NOAA Program & Office:

NMFS (National Marine Fisheries Service) ; OPR (Office of Protected Resources)

NMFS (National Marine Fisheries Service) ; OPR (Office of Protected Resources) Less -
Description:

Freshwater turtles exhibit temporary threshold shifts (TTS) when exposed to broadband sound, but whether frequency-restricted narrowband noise induces TTS was unknown. Underwater TTS was investigated in two freshwater turtle species (Emydidae) following exposures to 16-octave narrowband noise (155–172 dB re 1 μPa2 s). While shifts occurred in all turtles at the noise center frequency (400 Hz), there were more instances of TTS and greater shift magnitudes at 12 octave above the center frequency, despite considerably lower received levels. These frequency-specific data provide new insight into how TTS manifests in turtles and expand empirical models to predict freshwater turtle TTS.
Source:

JASA Express Letters, 4(8)
DOI:

https://doi.org/10.1121/10.0028321
ISSN:

2691-1191
Format:

PDF
Publisher:

Acoustical Society of America (ASA)
Document Type:

Journal Article
License:

https://creativecommons.org/licenses/by/4.0/
Rights Information:

CC BY
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Submitted
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urn:sha-512:823ae9f110afb0170cf02c407bf17a8402c66ef3f2d4a47b9d36d93624960f019c8589e488c4803962b73e5e0c33ddefeb18542b2a0dededf8b4505c8bf7eff9
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