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Passive acoustic methods for fine-scale tracking of harbour porpoises in tidal rapids

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Passive acoustic methods for fine-scale tracking of harbour porpoises in tidal rapids. / MacAulay, Jamie Donald John; Gordon, Jonathan Charles David; Gillespie, Douglas Michael; Malinka, Chloe Elizabeth; Northridge, Simon Patrick.

In: Journal of the Acoustical Society of America, Vol. 141, No. 2, 02.2017, p. 1120-1132.

Research output: Contribution to journalArticle

Harvard

MacAulay, JDJ, Gordon, JCD, Gillespie, DM, Malinka, CE & Northridge, SP 2017, 'Passive acoustic methods for fine-scale tracking of harbour porpoises in tidal rapids' Journal of the Acoustical Society of America, vol. 141, no. 2, pp. 1120-1132. https://doi.org/10.1121/1.4976077

APA

MacAulay, J. D. J., Gordon, J. C. D., Gillespie, D. M., Malinka, C. E., & Northridge, S. P. (2017). Passive acoustic methods for fine-scale tracking of harbour porpoises in tidal rapids. Journal of the Acoustical Society of America, 141(2), 1120-1132. https://doi.org/10.1121/1.4976077

Vancouver

MacAulay JDJ, Gordon JCD, Gillespie DM, Malinka CE, Northridge SP. Passive acoustic methods for fine-scale tracking of harbour porpoises in tidal rapids. Journal of the Acoustical Society of America. 2017 Feb;141(2):1120-1132. https://doi.org/10.1121/1.4976077

Author

MacAulay, Jamie Donald John ; Gordon, Jonathan Charles David ; Gillespie, Douglas Michael ; Malinka, Chloe Elizabeth ; Northridge, Simon Patrick. / Passive acoustic methods for fine-scale tracking of harbour porpoises in tidal rapids. In: Journal of the Acoustical Society of America. 2017 ; Vol. 141, No. 2. pp. 1120-1132.

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@article{71118b1bd4a44e4daa87f46b76cec142,
title = "Passive acoustic methods for fine-scale tracking of harbour porpoises in tidal rapids",
abstract = "The growing interest in generating electrical power from tidal currents using tidal turbine generators raises a number of environmental concerns, including the risk that marine mammals might be injured or killed through collision with rotating turbine blades. To understand this risk, information on how marine mammals use tidal rapid habitats and in particular, their underwater movements and dive behaviour is required. Porpoises, which are the most abundant small cetacean at most European tidal sites, are difficult animals to tag, and the limited size of tidal habitats means that any telemetered animal would be likely to spend only a small proportion of time within them. Here, an alternative approach is explored, whereby passive acoustic monitoring (PAM) is used to obtain fine scale geo-referenced tracks of harbour porpoises in tidal rapid areas. Large aperture hydrophone arrays are required to obtain accurate locations of animals from PAM data and automated algorithms are necessary to process the large quantities of acoustic data collected on such systems during a typical survey. Methods to automate localisation, including a method to match porpoise detections on different hydrophones and separate different vocalising animals, and an assessment of the localisation accuracy of the large aperture hydrophone array are presented.",
author = "MacAulay, {Jamie Donald John} and Gordon, {Jonathan Charles David} and Gillespie, {Douglas Michael} and Malinka, {Chloe Elizabeth} and Northridge, {Simon Patrick}",
year = "2017",
month = "2",
doi = "10.1121/1.4976077",
language = "English",
volume = "141",
pages = "1120--1132",
journal = "Journal of the Acoustical Society of America",
issn = "0001-4966",
publisher = "Acoustical Society of America",
number = "2",

}

RIS (suitable for import to EndNote) - Download

TY - JOUR

T1 - Passive acoustic methods for fine-scale tracking of harbour porpoises in tidal rapids

AU - MacAulay, Jamie Donald John

AU - Gordon, Jonathan Charles David

AU - Gillespie, Douglas Michael

AU - Malinka, Chloe Elizabeth

AU - Northridge, Simon Patrick

PY - 2017/2

Y1 - 2017/2

N2 - The growing interest in generating electrical power from tidal currents using tidal turbine generators raises a number of environmental concerns, including the risk that marine mammals might be injured or killed through collision with rotating turbine blades. To understand this risk, information on how marine mammals use tidal rapid habitats and in particular, their underwater movements and dive behaviour is required. Porpoises, which are the most abundant small cetacean at most European tidal sites, are difficult animals to tag, and the limited size of tidal habitats means that any telemetered animal would be likely to spend only a small proportion of time within them. Here, an alternative approach is explored, whereby passive acoustic monitoring (PAM) is used to obtain fine scale geo-referenced tracks of harbour porpoises in tidal rapid areas. Large aperture hydrophone arrays are required to obtain accurate locations of animals from PAM data and automated algorithms are necessary to process the large quantities of acoustic data collected on such systems during a typical survey. Methods to automate localisation, including a method to match porpoise detections on different hydrophones and separate different vocalising animals, and an assessment of the localisation accuracy of the large aperture hydrophone array are presented.

AB - The growing interest in generating electrical power from tidal currents using tidal turbine generators raises a number of environmental concerns, including the risk that marine mammals might be injured or killed through collision with rotating turbine blades. To understand this risk, information on how marine mammals use tidal rapid habitats and in particular, their underwater movements and dive behaviour is required. Porpoises, which are the most abundant small cetacean at most European tidal sites, are difficult animals to tag, and the limited size of tidal habitats means that any telemetered animal would be likely to spend only a small proportion of time within them. Here, an alternative approach is explored, whereby passive acoustic monitoring (PAM) is used to obtain fine scale geo-referenced tracks of harbour porpoises in tidal rapid areas. Large aperture hydrophone arrays are required to obtain accurate locations of animals from PAM data and automated algorithms are necessary to process the large quantities of acoustic data collected on such systems during a typical survey. Methods to automate localisation, including a method to match porpoise detections on different hydrophones and separate different vocalising animals, and an assessment of the localisation accuracy of the large aperture hydrophone array are presented.

U2 - 10.1121/1.4976077

DO - 10.1121/1.4976077

M3 - Article

VL - 141

SP - 1120

EP - 1132

JO - Journal of the Acoustical Society of America

T2 - Journal of the Acoustical Society of America

JF - Journal of the Acoustical Society of America

SN - 0001-4966

IS - 2

ER -

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ID: 244842084