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In-air evoked potential audiometry of grey seals ...
https://europepmc.org/article/MED/24632891
Information on hearing abilities of pinnipeds is limited or unavailable for most species. Within the phocid seals, aerial audiograms have been measured for the harp seal (Pagophilus groenlandica,), harbour seal (Phoca vitulina, , , , elephant seal (Mirounga angustirostris, ) and grey seal (Halichoerus grypus, ).
(PDF) In-Air Evoked Potential Audiometry of Grey Seals ...
https://www.researchgate.net/publication/260841282_In-Air_Evoked_Potential_Audiometry_of_Grey_Seals_Halichoerus_grypus_from_the_North_and_Baltic_Seas
In this subproject, a methodology using earphone inserts was developed and full in-air audiograms for gray seals were collected. ... The ability of a …
In-Air Evoked Potential Audiometry of Grey Seals ...
https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0090824
Grey seals use acoustic signals for communication purposes both in air and under the water. In air, they rarely produce communication signals [14], but underwater they exhibit complex vocal repertoires [15].
An overview of a simulation approach to assessing ...
https://tethys.pnnl.gov/sites/default/files/publications/EIMR-2014-Presentation-Donovan.pdf
Two species considered: grey seal (Halichoerus grypus) and harbour porpoise (Phocoena phocoena). Three broad areas looked at: Comparisons of SEL weightings: audiogram & M -weighted (Southall et. al., 2007) Comparisons over levels of “fleeing” behaviour
Scottish Marine and Freshwater ... - Scottish Government
https://www.gov.scot/publications/scottish-marine-freshwater-science-volume-4-number-5-modelling-noise/pages/4/
In this study, audiogram data compiled for grey and harbour seals were used to generate a single composite audiogram for the species. Data from these species (Ridgeway & Joyce, 1975; Kastelein, et al. 2009; Götz & Janik, 2010), and other phocid seals found in the northeast Atlantic (e.g. harp seal - Terhune & Ronald, 1972), were also ...
Does underwater noise from offshore wind ... - Middelgrunden
https://www.middelgrunden.dk/wp-content/uploads/2021/01/Artikel_Does_underwater_noise-from_offshore_wind_farms_potentially_affect_-seals_and_harbour_porpoises.pdf
the audiograms. The lines are the expected audiograms for harbour porpoises, harbour seals and grey seals. The turbine noise level at 315 Hz (450 kW Bonus) is 17 dB above the porpoise audiogram and the noise level at 125 Hz (2 MW Bonus) …
Potential Audibility of Three Acoustic Harassment Devices ...
https://www.iiav.org/ijav/content/volumes/24_2019_1848881553860721/vol_4/1528_fullpaper_317161577706017.pdf
whales, common/harbour, and grey seals could potentially hear AHD signals. Hearing ranges for all species were sourced from underwater audiograms reported in the literature (Tab. 1). Two extreme conditions, sea state 0 and sea state 6, were in-vestigated to give a range of these distances. Sound transmis-
An Overview of a Simulation Approach to Assessing ...
https://tethys.pnnl.gov/sites/default/files/publications/EIMR-2014-Abstract-Donovan.pdf
grey seal (Halichoerus grypus) and harbour porpoise (Phocoena phocoena). We have run a suite of simulations which consider sensitivity to uncertainty in three areas: how sound energy is perceived by animals with differing hearing apparatuses; how animals move in response to disturbance (i.e., the
CHAPTER 13: MARINE MAMMALS
https://marine.gov.scot/sites/default/files/chapter_13_-_marine_mammals_0.pdf
Harbour seal and grey seal are also of particular importance due to the proximity of internationally designated haul out and breeding sites. ... minke-whale audiogram humpback whale can be used as a proxy. Impact Assessment – Construction e-mail 29/ 03/ 2012 (FTOWDG)
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