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Lack of reproducibility of temporary hearing threshold shifts in a harbor porpoise after exposure to repeated airgun sounds

2020
Open Access Research Article

Journal of the Acoustical Society of America

Kastelein, R.A., Helder-Hoek, L., Cornelisse, S.A., von Benda-Beckmann, A.M., Lam, F-P. A., de Jong, C.A.F., Ketten, D.R.

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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Keywords: Airgun, Harbour porpoise, Hearing, Marine mammal, Phocoena, Self-mitigation, Sound exposure, TSS

Masking Release at 4kHz in harbour porpoises (Phocoena phocoena) associated with sinusoidal amplitude-modulated masking noise

2021
Open Access Research Article

Journal of the Acoustical Society of America

Kastelein, R.A., Helder-Hoek, L., Covi, J., Terhune, J.M., Klump, G.

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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Keywords: Acoustic, Harbour porpoise, Marine mammal, Odontocetes, Phocoena

Auditory masking in killer whales (Orcinus orca): Critical ratios for tonal signals in Gaussian Noise

2021
Open Access Research Article

Journal of the Acoustical Society of America

Branstetter, B.K., Felice, M., Robeck, T.

Behavioural responses new approaches developed and applied to select studies to demonstrate application....
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Keywords: Critical ratio, Gaussian Noise, Killer whale, Marine mammal, Orca

A Modeling Comparison of the Potential Effects on Marine Mammals from Sounds Produced by Marine Vibroseis and Air Gun Seismic Sources

2021
Open Access Peer Reviewed Research Article

Journal of Marine Science and Engineering

Matthews, M., Ireland, D., Zeddies, D., Brune, R., Pyc, C.

Modelling comparison of potential impacts on marine mammals from marine vibrioses sources is compared to traditional air gun seismic sources. More behavioural disturbance was predicted for...
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Keywords: Airgun, Geophysical survey, Marine mammal, Marine Vibrioses, Modelling, Seismic

Body Composition of Common Bottlenose Dolphins in Sarasota Bay, Florida

2021
Open Access Peer Reviewed Research Article

Frontiers in Marine Science

Adamczak, S.K., Holser, R.R., Costa, D.P., Berens McCabe, E.J., and Wells, R.S.

Study of variations in body composition in bottlenose dolphins as a proxy for population health. Results show high degree of seasonality in body composition with correlations...
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Keywords: Biology, Marine mammal, Physiology

Growth in marine mammals: a review of growth patterns, composition and energy investment

2023
Open Access Peer Reviewed Research Article

Conservation Physiology

Adamczak, S.K., McHuron, E.A., Christiansen, F., Dunkin, R., McMahon, CR., Noren, S., Pirotta, E., Rosen, D., Sumich, J., Costa, D.P.

Metrics of structural growth and energy storage used to assess population health. Documentation of energy cost of tissue deposition poorly understood within energy budgets. Paper presents...
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Keywords: Body size, Growth, Marine mammal

Marine foraging ecology influences mercury bioaccumulation in deep-diving northern elephant seals

2015
Open Access Peer Reviewed Publication

Proceedings of the Royal Society B: Biological Sciences

Peterson, S.H, Ackerman, J.T & Costa, D.P

Mercury contamination of oceans is prevalent worldwide and methylmercury concentrations in the mesopelagic zone (200–1000 m) are increasing more rapidly than in surface waters. Yet mercury...
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Keywords: Biogeochemistry, Marine mammal, Mesopelagic predator, Methtylmercury, Pinniped, Spatial ecotoxicology

Lack of reproducibility of temporary hearing threshold shifts in a harbor porpoise after exposure to repeated airgun sounds

2020
Pay-walled Peer Reviewed Publication

The Journal of the Acoustical Society of America

Ronald A. Kastelein, Lean Helder-Hoek, Suzanne A. Cornelisse, Alexander M. von Benda-Beckmann, Frans-Peter A. Lam, Christ A. F. de Jong, Darlene R. Ketten

Noise-induced temporary hearing threshold shift (TTS) was studied in a harbor porpoise exposed to impulsive sounds of scaled-down airguns while both stationary and free-swimming for up...
Read More

Keywords: Airgun, Harbour porpoise, Hearing, Marine mammal, Phocoena phocoena, Self-mitigation, Sound exposure, TSS

Improving the Navy’s Passive Underwater Acoustic Monitoring of Marine Mammal Populations

Open Access Report

Marine Physical LaboratoryScripps Institution of Oceanography

Gerald L. D’Spain

The long-term goals of this research effort are to improve the Navy’s passive underwater acoustic monitoring of marine mammal populations. A major focus in this project...
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Keywords: Marine bioacoustics, Marine mammal, Passive underwater acoustic monitoring

The effects of ship noise on marine mammals--A review

2019
Open Access Article

Frontiers in Marine Science

Erbe, Christine, Marley Sarah, Schoeman Renee, Smith Joshua N., Trigg Leah, and Embling C. B.

The number of marine watercraft is on the rise—from private boats in coastal areas to commercial ships crossing oceans. A concomitant increase in underwater noise has...
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Keywords: Auditory masking, Behavioral response, Chronic noise exposure, Commercial shipping, Marine mammal, Marine watercraft, Ship noise emission

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