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First indications that northern bottlenose whales are sensitive to behavioural disturbance from anthropogenic noise

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Miller_etal_2015_FirstIndications_RSOpenScience.pdf (1.115Mb)
Date
01/06/2015
Author
Miller, Patrick
Kvadsheim, P H
Lam, F P A
Tyack, Peter Lloyd
Curé, C
De Ruiter, Stacy Lynn
Kleivane, L
Sivle, L D
van IJsselmuide, S P
Visser, F
Wensveen, Paulus Jacobus
von Benda-Beckmann, A M
Martin Lopez, Lucia Martina
Narazaki, Tomoko
Hooker, Sascha Kate
Keywords
Bottlenose whale
Anthropogenic noise
Behavioural response
Mitigation
Naval sonar
Hyperoodon ampullatus
QH301 Biology
DAS
BDC
R2C
Metadata
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Abstract
Although northern bottlenose whales were the most heavily hunted beaked whale, we have little information about this species in its remote habitat of the North Atlantic Ocean. Underwater anthropogenic noise and disruption of their natural habitat may be major threats, given the sensitivity of other beaked whales to such noise disturbance. We attached dataloggers to 13 northern bottlenose whales and compared their natural sounds and movements to those of one individual exposed to escalating levels of 1–2 kHz upsweep naval sonar signals. At a received sound pressure level (SPL) of 98 dB re 1 μPa, the whale turned to approach the sound source, but at a received SPL of 107 dB re 1 μPa, the whale began moving in an unusually straight course and then made a near 180° turn away from the source, and performed the longest and deepest dive (94 min, 2339 m) recorded for this species. Animal movement parameters differed significantly from baseline for more than 7 h until the tag fell off 33–36 km away. No clicks were emitted during the response period, indicating cessation of normal echolocation-based foraging. A sharp decline in both acoustic and visual detections of conspecifics after exposure suggests other whales in the area responded similarly. Though more data are needed, our results indicate high sensitivity of this species to acoustic disturbance, with consequent risk from marine industrialization and naval activity.
Citation
Miller , P , Kvadsheim , P H , Lam , F P A , Tyack , P L , Curé , C , De Ruiter , S L , Kleivane , L , Sivle , L D , van IJsselmuide , S P , Visser , F , Wensveen , P J , von Benda-Beckmann , A M , Martin Lopez , L M , Narazaki , T & Hooker , S K 2015 , ' First indications that northern bottlenose whales are sensitive to behavioural disturbance from anthropogenic noise ' , Royal Society Open Science , vol. 2 , no. 6 , 140484 . https://doi.org/10.1098/rsos.140484
Publication
Royal Society Open Science
Status
Peer reviewed
DOI
https://doi.org/10.1098/rsos.140484
ISSN
2054-5703
Type
Journal article
Rights
Copyright 2015 © The Authors. Published by the Royal Society under the terms of the Creative Commons Attribution License http://creativecommons.org/licenses/by/4.0/, which permits unrestricted use, provided the original author and source are credited.
Description
Contributions of P.M., P.T., C.C., S.D., F.V., P.W., L.M.L., T.N. and S.H. were funded by the US Office of Naval Research. Contributions of P.K., L.K. and L.S. were funded by the Norwegian Ministry of Defence. Contributions of F.L., S.v.IJ. and A.v.B. were funded by The Netherlands Ministry of Defence. Fieldwork contributions of L.M.L. and T.N. were funded by the Strategic Environmental Research and Development Program (SERDP). The analysis component of L.M.L.'s contribution was funded by DGA French Ministry of Defence. P.T. acknowledges the support of the MASTS pooling initiative (The Marine Alliance for Science and Technology for Scotland) in the completion of this study. MASTS is funded by the Scottish Funding Council (grant no. HR09011) and contributing institutions.
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URI
http://hdl.handle.net/10023/6872

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