2013
DOI: 10.1111/mms.12001
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Effects of airgun sounds on bowhead whale calling rates in the Alaskan Beaufort Sea

Abstract: This study assesses effects of airgun sounds on bowhead calling behavior during the autumn migration. In August-October 2007, 35 directional acoustic recorders (DASARs) were deployed at five sites in the Alaskan Beaufort Sea. Location estimates were obtained for >137,500 individual calls; a subsample of locations with high detection probability was used in the analyses. Call localization rates (CLRs) were compared before, during, and after periods of airgun use between sites near seismic activities (median dis… Show more

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Cited by 64 publications
(55 citation statements)
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“…These behaviors presumably reduce whale susceptibility to potential subsurface predators, such as the killer whale, that pose a threat to diving animals at the surface by restricting fleeing movement laterally or downwards (Heithaus & Frid 2003). Numbers of bowhead whale calls have also been reported to be lower when exposed to seismic sounds , Blackwell et al 2013. Reduced calling behavior is hypothesized to be related to secretiveness, particularly as silent whales are likely harder for killer whales to detect.…”
Section: Effects Of Seismic Operations Onmentioning
confidence: 99%
“…These behaviors presumably reduce whale susceptibility to potential subsurface predators, such as the killer whale, that pose a threat to diving animals at the surface by restricting fleeing movement laterally or downwards (Heithaus & Frid 2003). Numbers of bowhead whale calls have also been reported to be lower when exposed to seismic sounds , Blackwell et al 2013. Reduced calling behavior is hypothesized to be related to secretiveness, particularly as silent whales are likely harder for killer whales to detect.…”
Section: Effects Of Seismic Operations Onmentioning
confidence: 99%
“…The potential physical and behavioural impacts of seismic sound on marine mammals have been the focus of numerous studies (reviewed in Nowacek et al 2007, Southall et al 2007, which have advanced understanding of responses for certain cetacean species (e.g. Malme et al 1986, 1988, Finneran et al 2002, Lucke et al 2009, Blackwell et al 2013, Kastelein et al 2013, Schlundt et al 2015. Although the exact impacts of seismic surveys on cetacean auditory systems, behaviour and ultimately population dynamics depend on many factors and are generally not well understood, the need for mitigation measures to prevent adverse effects is broadly accepted.…”
Section: Introductionmentioning
confidence: 99%
“…Localized and short-term behavioral responses such as movement toward or away from the sound source or a change in vocalization rates have been reported for some cetaceans during seismic surveys (Richardson et al, 1995;Gordon et al, 1998;Nowacek et al, 2007;Southall et al, 2007;Barry, Cucknell, & Clark, 2012;Castellote, Clark, & Lammers, 2012;Blackwell et al, 2013Blackwell et al, , 2015Thompson et al, 2013;Robertson et al, 2013;Cerchio, Strindberg, Collins, Bennett, & Rosenbaum, 2014;Pirotta, Brookes, Graham, & Thompson, 2014;Wole & Myade, 2014;Dunlop et al, 2015Dunlop et al, , 2016Muir et al, 2015Muir et al, , 2016Finneran et al, 2015;Gailey et al, 2016). However, the long-term consequences of airgun sounds on marine mammals are mostly unknown, and the effectiveness of mitigation measures are largely uncertain (Cato et al, 2013;Nowacek et al, 2013;Wright & Consentino, 2015).…”
Section: Discussionmentioning
confidence: 99%