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First direct measurements of behavioural responses by Cuvier's beaked whales to mid-frequency active sonar

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First direct measurements of behavioural responses by Cuvier's beaked whales to mid-frequency active sonar. / De Ruiter, Stacy Lynn; Southall, Brandon L.; Calambokidis, John ; Zimmer, Walter M. X.; Sadykova, Dinara; Falcone, Erin A.; Friedlaender, Ari S. ; Joseph, John E.; Moretti, David; Schorr, Gregory S. ; Thomas, Len; Tyack, Peter Lloyd.

In: Biology Letters, Vol. 9, No. 4, 2013, p. 1-5.

Research output: Contribution to journalArticle

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De Ruiter, SL, Southall, BL, Calambokidis, J, Zimmer, WMX, Sadykova, D, Falcone, EA, Friedlaender, AS, Joseph, JE, Moretti, D, Schorr, GS, Thomas, L & Tyack, PL 2013, 'First direct measurements of behavioural responses by Cuvier's beaked whales to mid-frequency active sonar' Biology Letters, vol 9, no. 4, pp. 1-5. DOI: 10.1098/rsbl.2013.0223

APA

De Ruiter, S. L., Southall, B. L., Calambokidis, J., Zimmer, W. M. X., Sadykova, D., Falcone, E. A., ... Tyack, P. L. (2013). First direct measurements of behavioural responses by Cuvier's beaked whales to mid-frequency active sonar. Biology Letters, 9(4), 1-5. DOI: 10.1098/rsbl.2013.0223

Vancouver

De Ruiter SL, Southall BL, Calambokidis J, Zimmer WMX, Sadykova D, Falcone EA et al. First direct measurements of behavioural responses by Cuvier's beaked whales to mid-frequency active sonar. Biology Letters. 2013;9(4):1-5. Available from, DOI: 10.1098/rsbl.2013.0223

Author

De Ruiter, Stacy Lynn; Southall, Brandon L.; Calambokidis, John ; Zimmer, Walter M. X.; Sadykova, Dinara; Falcone, Erin A.; Friedlaender, Ari S. ; Joseph, John E.; Moretti, David; Schorr, Gregory S. ; Thomas, Len; Tyack, Peter Lloyd / First direct measurements of behavioural responses by Cuvier's beaked whales to mid-frequency active sonar.

In: Biology Letters, Vol. 9, No. 4, 2013, p. 1-5.

Research output: Contribution to journalArticle

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@article{7877190ccb0940ad8f1a65e2d8a65497,
title = "First direct measurements of behavioural responses by Cuvier's beaked whales to mid-frequency active sonar",
abstract = "Most marine mammal­ strandings coincident with naval sonar exercises have involved Cuvier's beaked whales (Ziphius cavirostris). We recorded animal movement and acoustic data on two tagged Ziphius and obtained the first direct measurements of behavioural responses of this species to mid-frequency active (MFA) sonar signals. Each recording included a 30-min playback (one 1.6-s simulated MFA sonar signal repeated every 25 s); one whale was also incidentally exposed to MFA sonar from distant naval exercises. Whales responded strongly to playbacks at low received levels (RLs; 89–127 dB re 1 µPa): after ceasing normal fluking and echolocation, they swam rapidly, silently away, extending both dive duration and subsequent non-foraging interval. Distant sonar exercises (78–106 dB re 1 µPa) did not elicit such responses, suggesting that context may moderate reactions. The observed responses to playback occurred at RLs well below current regulatory thresholds; equivalent responses to operational sonars could elevate stranding risk and reduce foraging efficiency.",
keywords = "Acoustic disturbance, Avoidance response, Anthropogenic noise, Mid-frequency active sonar, Military, Ziphius cavirostris",
author = "{De Ruiter}, {Stacy Lynn} and Southall, {Brandon L.} and John Calambokidis and Zimmer, {Walter M. X.} and Dinara Sadykova and Falcone, {Erin A.} and Friedlaender, {Ari S.} and Joseph, {John E.} and David Moretti and Schorr, {Gregory S.} and Len Thomas and Tyack, {Peter Lloyd}",
year = "2013",
doi = "10.1098/rsbl.2013.0223",
volume = "9",
pages = "1--5",
journal = "Biology Letters",
issn = "1744-9561",
publisher = "ROYAL SOC",
number = "4",

}

RIS (suitable for import to EndNote) - Download

TY - JOUR

T1 - First direct measurements of behavioural responses by Cuvier's beaked whales to mid-frequency active sonar

AU - De Ruiter,Stacy Lynn

AU - Southall,Brandon L.

AU - Calambokidis,John

AU - Zimmer,Walter M. X.

AU - Sadykova,Dinara

AU - Falcone,Erin A.

AU - Friedlaender,Ari S.

AU - Joseph,John E.

AU - Moretti,David

AU - Schorr,Gregory S.

AU - Thomas,Len

AU - Tyack,Peter Lloyd

PY - 2013

Y1 - 2013

N2 - Most marine mammal­ strandings coincident with naval sonar exercises have involved Cuvier's beaked whales (Ziphius cavirostris). We recorded animal movement and acoustic data on two tagged Ziphius and obtained the first direct measurements of behavioural responses of this species to mid-frequency active (MFA) sonar signals. Each recording included a 30-min playback (one 1.6-s simulated MFA sonar signal repeated every 25 s); one whale was also incidentally exposed to MFA sonar from distant naval exercises. Whales responded strongly to playbacks at low received levels (RLs; 89–127 dB re 1 µPa): after ceasing normal fluking and echolocation, they swam rapidly, silently away, extending both dive duration and subsequent non-foraging interval. Distant sonar exercises (78–106 dB re 1 µPa) did not elicit such responses, suggesting that context may moderate reactions. The observed responses to playback occurred at RLs well below current regulatory thresholds; equivalent responses to operational sonars could elevate stranding risk and reduce foraging efficiency.

AB - Most marine mammal­ strandings coincident with naval sonar exercises have involved Cuvier's beaked whales (Ziphius cavirostris). We recorded animal movement and acoustic data on two tagged Ziphius and obtained the first direct measurements of behavioural responses of this species to mid-frequency active (MFA) sonar signals. Each recording included a 30-min playback (one 1.6-s simulated MFA sonar signal repeated every 25 s); one whale was also incidentally exposed to MFA sonar from distant naval exercises. Whales responded strongly to playbacks at low received levels (RLs; 89–127 dB re 1 µPa): after ceasing normal fluking and echolocation, they swam rapidly, silently away, extending both dive duration and subsequent non-foraging interval. Distant sonar exercises (78–106 dB re 1 µPa) did not elicit such responses, suggesting that context may moderate reactions. The observed responses to playback occurred at RLs well below current regulatory thresholds; equivalent responses to operational sonars could elevate stranding risk and reduce foraging efficiency.

KW - Acoustic disturbance

KW - Avoidance response

KW - Anthropogenic noise

KW - Mid-frequency active sonar

KW - Military

KW - Ziphius cavirostris

UR - http://rsbl.royalsocietypublishing.org/content/9/4/20130223.full

U2 - 10.1098/rsbl.2013.0223

DO - 10.1098/rsbl.2013.0223

M3 - Article

VL - 9

SP - 1

EP - 5

JO - Biology Letters

T2 - Biology Letters

JF - Biology Letters

SN - 1744-9561

IS - 4

ER -

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