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Seals and shipping: quantifying population risk and individual exposure to vessel noise

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Seals and shipping : quantifying population risk and individual exposure to vessel noise. / Jones, Esther L.; Hastie, Gordon D.; Smout, Sophie; Onoufriou, Joseph; Merchant, Nathan D.; Brookes, Kate L.; Thompson, David.

In: Journal of Applied Ecology, Vol. 54, No. 6, 12.2017, p. 1930-1940.

Research output: Contribution to journalArticle

Harvard

Jones, EL, Hastie, GD, Smout, S, Onoufriou, J, Merchant, ND, Brookes, KL & Thompson, D 2017, 'Seals and shipping: quantifying population risk and individual exposure to vessel noise' Journal of Applied Ecology, vol. 54, no. 6, pp. 1930-1940. https://doi.org/10.1111/1365-2664.12911

APA

Jones, E. L., Hastie, G. D., Smout, S., Onoufriou, J., Merchant, N. D., Brookes, K. L., & Thompson, D. (2017). Seals and shipping: quantifying population risk and individual exposure to vessel noise. Journal of Applied Ecology, 54(6), 1930-1940. https://doi.org/10.1111/1365-2664.12911

Vancouver

Jones EL, Hastie GD, Smout S, Onoufriou J, Merchant ND, Brookes KL et al. Seals and shipping: quantifying population risk and individual exposure to vessel noise. Journal of Applied Ecology. 2017 Dec;54(6):1930-1940. https://doi.org/10.1111/1365-2664.12911

Author

Jones, Esther L. ; Hastie, Gordon D. ; Smout, Sophie ; Onoufriou, Joseph ; Merchant, Nathan D. ; Brookes, Kate L. ; Thompson, David. / Seals and shipping : quantifying population risk and individual exposure to vessel noise. In: Journal of Applied Ecology. 2017 ; Vol. 54, No. 6. pp. 1930-1940.

Bibtex - Download

@article{01d450ab69034bec9cebaf5a42623784,
title = "Seals and shipping: quantifying population risk and individual exposure to vessel noise",
abstract = "1.  Vessels can have acute and chronic impacts on marine species. The rate of increase in commercial shipping is accelerating, and there is a need to quantify and potentially manage the risk of these impacts.2.  Usage maps characterising densities of grey and harbour seals and ships around the British Isles were used to produce risk maps of seal co-occurrence with shipping traffic. Acoustic exposure to individual harbour seals was modelled in a study area using contemporaneous movement data from 28 animals fitted with UHF global positioning satellite telemetry tags and automatic identification system data from all ships during 2014 and 2015. Data from four acoustic recorders were used to validate sound exposure predictions.3.  Across the British Isles, rates of co-occurrence were highest within 50 km of the coast, close to seal haul-outs. Areas identified with high risk of exposure included 11 Special Areas of Conservation (SAC; from a possible 25). Risk to harbour seal populations was highest, affecting half of all SACs associated with the species.4.  Predicted cumulative sound exposure level, cSELs(Mpw), over all seals was 176·8 dB re 1 μPa2 s (95{\%} CI 163·3–190·4), ranging from 170·2 dB re 1μPa2 s (95{\%} CI 168·4–171·9) to 189·3 dB re 1 μPa2 s (95{\%} CI 172·6–206·0) for individuals. This represented an increase in 28·3 dB re 1 μPa2 s over measured ambient noise. For 20 of 28 animals in the study, 95{\%} CI for cSELs(Mpw) had upper bounds above levels known to induce temporary threshold shift. Predictions of broadband received sound pressure levels were underestimated on average by 0·7 dB re 1 μPa (±3·3).5. Synthesis and applications. We present a framework to allow shipping noise, an important marine anthropogenic stressor, to be explicitly incorporated into spatial planning. Potentially sensitive areas are identified through quantifying risk to marine species of exposure to shipping traffic, and individual noise exposure is predicted with associated uncertainty in an area with varying rates of co-occurrence. The detailed approach taken here facilitates spatial planning with regard to underwater noise within areas protected through the Habitats Directive, and could be used to provide evidence for further designations. This framework may have utility in assessing whether underwater noise levels are at Good Environmental Status under the Marine Strategy Framework Directive.",
keywords = "Halichoerus grypus, Phoca vitulina, Spatial overlap, AIS, Telemetry, Acoustic propagation, Marine stressor, MSFD, Noise pollution, Uncertainty",
author = "Jones, {Esther L.} and Hastie, {Gordon D.} and Sophie Smout and Joseph Onoufriou and Merchant, {Nathan D.} and Brookes, {Kate L.} and David Thompson",
note = "The work was funded under Scottish Government grant MMSS/001/11 and contract CR/2014/04, and supported by National Capability funding from NERC to SMRU (grant no. SMRU1001). Seal at-sea usage maps, location data for individual seals, locations and source levels for vessels, and SPLs from monitoring data used for acoustic validations are available from the Pure repository, https://doi.org/10.17630/89ac9345-240a-41bb-8f53-b3f14bb114c0.",
year = "2017",
month = "12",
doi = "10.1111/1365-2664.12911",
language = "English",
volume = "54",
pages = "1930--1940",
journal = "Journal of Applied Ecology",
issn = "0021-8901",
publisher = "John Wiley & Sons, Ltd (10.1111)",
number = "6",

}

RIS (suitable for import to EndNote) - Download

TY - JOUR

T1 - Seals and shipping

T2 - Journal of Applied Ecology

AU - Jones, Esther L.

AU - Hastie, Gordon D.

AU - Smout, Sophie

AU - Onoufriou, Joseph

AU - Merchant, Nathan D.

AU - Brookes, Kate L.

AU - Thompson, David

N1 - The work was funded under Scottish Government grant MMSS/001/11 and contract CR/2014/04, and supported by National Capability funding from NERC to SMRU (grant no. SMRU1001). Seal at-sea usage maps, location data for individual seals, locations and source levels for vessels, and SPLs from monitoring data used for acoustic validations are available from the Pure repository, https://doi.org/10.17630/89ac9345-240a-41bb-8f53-b3f14bb114c0.

PY - 2017/12

Y1 - 2017/12

N2 - 1.  Vessels can have acute and chronic impacts on marine species. The rate of increase in commercial shipping is accelerating, and there is a need to quantify and potentially manage the risk of these impacts.2.  Usage maps characterising densities of grey and harbour seals and ships around the British Isles were used to produce risk maps of seal co-occurrence with shipping traffic. Acoustic exposure to individual harbour seals was modelled in a study area using contemporaneous movement data from 28 animals fitted with UHF global positioning satellite telemetry tags and automatic identification system data from all ships during 2014 and 2015. Data from four acoustic recorders were used to validate sound exposure predictions.3.  Across the British Isles, rates of co-occurrence were highest within 50 km of the coast, close to seal haul-outs. Areas identified with high risk of exposure included 11 Special Areas of Conservation (SAC; from a possible 25). Risk to harbour seal populations was highest, affecting half of all SACs associated with the species.4.  Predicted cumulative sound exposure level, cSELs(Mpw), over all seals was 176·8 dB re 1 μPa2 s (95% CI 163·3–190·4), ranging from 170·2 dB re 1μPa2 s (95% CI 168·4–171·9) to 189·3 dB re 1 μPa2 s (95% CI 172·6–206·0) for individuals. This represented an increase in 28·3 dB re 1 μPa2 s over measured ambient noise. For 20 of 28 animals in the study, 95% CI for cSELs(Mpw) had upper bounds above levels known to induce temporary threshold shift. Predictions of broadband received sound pressure levels were underestimated on average by 0·7 dB re 1 μPa (±3·3).5. Synthesis and applications. We present a framework to allow shipping noise, an important marine anthropogenic stressor, to be explicitly incorporated into spatial planning. Potentially sensitive areas are identified through quantifying risk to marine species of exposure to shipping traffic, and individual noise exposure is predicted with associated uncertainty in an area with varying rates of co-occurrence. The detailed approach taken here facilitates spatial planning with regard to underwater noise within areas protected through the Habitats Directive, and could be used to provide evidence for further designations. This framework may have utility in assessing whether underwater noise levels are at Good Environmental Status under the Marine Strategy Framework Directive.

AB - 1.  Vessels can have acute and chronic impacts on marine species. The rate of increase in commercial shipping is accelerating, and there is a need to quantify and potentially manage the risk of these impacts.2.  Usage maps characterising densities of grey and harbour seals and ships around the British Isles were used to produce risk maps of seal co-occurrence with shipping traffic. Acoustic exposure to individual harbour seals was modelled in a study area using contemporaneous movement data from 28 animals fitted with UHF global positioning satellite telemetry tags and automatic identification system data from all ships during 2014 and 2015. Data from four acoustic recorders were used to validate sound exposure predictions.3.  Across the British Isles, rates of co-occurrence were highest within 50 km of the coast, close to seal haul-outs. Areas identified with high risk of exposure included 11 Special Areas of Conservation (SAC; from a possible 25). Risk to harbour seal populations was highest, affecting half of all SACs associated with the species.4.  Predicted cumulative sound exposure level, cSELs(Mpw), over all seals was 176·8 dB re 1 μPa2 s (95% CI 163·3–190·4), ranging from 170·2 dB re 1μPa2 s (95% CI 168·4–171·9) to 189·3 dB re 1 μPa2 s (95% CI 172·6–206·0) for individuals. This represented an increase in 28·3 dB re 1 μPa2 s over measured ambient noise. For 20 of 28 animals in the study, 95% CI for cSELs(Mpw) had upper bounds above levels known to induce temporary threshold shift. Predictions of broadband received sound pressure levels were underestimated on average by 0·7 dB re 1 μPa (±3·3).5. Synthesis and applications. We present a framework to allow shipping noise, an important marine anthropogenic stressor, to be explicitly incorporated into spatial planning. Potentially sensitive areas are identified through quantifying risk to marine species of exposure to shipping traffic, and individual noise exposure is predicted with associated uncertainty in an area with varying rates of co-occurrence. The detailed approach taken here facilitates spatial planning with regard to underwater noise within areas protected through the Habitats Directive, and could be used to provide evidence for further designations. This framework may have utility in assessing whether underwater noise levels are at Good Environmental Status under the Marine Strategy Framework Directive.

KW - Halichoerus grypus

KW - Phoca vitulina

KW - Spatial overlap

KW - AIS

KW - Telemetry

KW - Acoustic propagation

KW - Marine stressor

KW - MSFD

KW - Noise pollution

KW - Uncertainty

UR - http://onlinelibrary.wiley.com/doi/10.1111/1365-2664.12911/full#footer-support-info

U2 - 10.1111/1365-2664.12911

DO - 10.1111/1365-2664.12911

M3 - Article

VL - 54

SP - 1930

EP - 1940

JO - Journal of Applied Ecology

JF - Journal of Applied Ecology

SN - 0021-8901

IS - 6

ER -

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ID: 249240268