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Dose response severity functions for acoustic disturbance in cetaceans using recurrent event survival analysis

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Dose response severity functions for acoustic disturbance in cetaceans using recurrent event survival analysis. / Harris, Catriona M; Sadykova, Dinara; De Ruiter, Stacy Lynn; Tyack, Peter Lloyd; Miller, Patrick; Kvadsheim, Petter; Lam, Frans-Peter; Thomas, Len.

In: Ecosphere, Vol. 6, No. 11, 236, 20.11.2015.

Research output: Contribution to journalArticle

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Harris, CM, Sadykova, D, De Ruiter, SL, Tyack, PL, Miller, P, Kvadsheim, P, Lam, F-P & Thomas, L 2015, 'Dose response severity functions for acoustic disturbance in cetaceans using recurrent event survival analysis' Ecosphere, vol. 6, no. 11, 236. https://doi.org/10.1890/ES15-00242.1

APA

Harris, C. M., Sadykova, D., De Ruiter, S. L., Tyack, P. L., Miller, P., Kvadsheim, P., ... Thomas, L. (2015). Dose response severity functions for acoustic disturbance in cetaceans using recurrent event survival analysis. Ecosphere, 6(11), [236]. https://doi.org/10.1890/ES15-00242.1

Vancouver

Harris CM, Sadykova D, De Ruiter SL, Tyack PL, Miller P, Kvadsheim P et al. Dose response severity functions for acoustic disturbance in cetaceans using recurrent event survival analysis. Ecosphere. 2015 Nov 20;6(11). 236. https://doi.org/10.1890/ES15-00242.1

Author

Harris, Catriona M ; Sadykova, Dinara ; De Ruiter, Stacy Lynn ; Tyack, Peter Lloyd ; Miller, Patrick ; Kvadsheim, Petter ; Lam, Frans-Peter ; Thomas, Len. / Dose response severity functions for acoustic disturbance in cetaceans using recurrent event survival analysis. In: Ecosphere. 2015 ; Vol. 6, No. 11.

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@article{a7a3ec27549b4fed88c1e5a6334d2166,
title = "Dose response severity functions for acoustic disturbance in cetaceans using recurrent event survival analysis",
abstract = "Behavioral response studies (BRSs) aim to enhance our understanding of the behavior changes made by animals in response to specific exposure levels of different stimuli, often presented in an increasing dosage. Here, we focus on BRSs that aim to understand behavioral responses of free-ranging whales and dolphins to manmade acoustic signals (although the methods are applicable more generally). One desired outcome of these studies is dose-response functions relevant to different species, signals and contexts. We adapted and applied recurrent event survival analysis (Cox proportional hazard models) todata from the 3S BRS project, where multiple behavioral responses of different severities had been observed per experimental exposure and per individual based upon expert scoring. We included species, signal type, exposure number and behavioral state prior to exposure as potential covariates. The bestmodel included all main effect terms, with the exception of exposure number, as well as two interaction terms. The interactions between signal and behavioral state, and between species and behavioral state highlighted that the sensitivity of animals to different signal types (a 6–7 kHz upsweep sonar signal [MFAS] or a 1–2 kHz upsweep sonar signal [LFAS]) depended on their behavioral state (feeding or nonfeeding), and this differed across species. Of the three species included in this analysis (sperm whale [Physeter macrocephalus], killer whale [Orcinus orca] and long-finned pilot whale [Globicephala melas]), killer whales were consistently the most likely to exhibit behavioral responses to naval sonar exposure. We conclude that recurrent event survival analysis provides an effective framework for fitting dose-response severity functions to data from behavioral response studies. It can provide outputs that can help government and industry to evaluate the potential impacts of anthropogenic sound production in the ocean.",
keywords = "behavioral response, Cetaceans, Controlled exposure experiment, Cox proportional hazards model, Globicephala melas, Orcinus orca, Physeter macrocephalus, Response intensity, Sonar",
author = "Harris, {Catriona M} and Dinara Sadykova and {De Ruiter}, {Stacy Lynn} and Tyack, {Peter Lloyd} and Patrick Miller and Petter Kvadsheim and Frans-Peter Lam and Len Thomas",
year = "2015",
month = "11",
day = "20",
doi = "10.1890/ES15-00242.1",
language = "English",
volume = "6",
journal = "Ecosphere",
issn = "2150-8925",
publisher = "Ecological Society of America",
number = "11",

}

RIS (suitable for import to EndNote) - Download

TY - JOUR

T1 - Dose response severity functions for acoustic disturbance in cetaceans using recurrent event survival analysis

AU - Harris, Catriona M

AU - Sadykova, Dinara

AU - De Ruiter, Stacy Lynn

AU - Tyack, Peter Lloyd

AU - Miller, Patrick

AU - Kvadsheim, Petter

AU - Lam, Frans-Peter

AU - Thomas, Len

PY - 2015/11/20

Y1 - 2015/11/20

N2 - Behavioral response studies (BRSs) aim to enhance our understanding of the behavior changes made by animals in response to specific exposure levels of different stimuli, often presented in an increasing dosage. Here, we focus on BRSs that aim to understand behavioral responses of free-ranging whales and dolphins to manmade acoustic signals (although the methods are applicable more generally). One desired outcome of these studies is dose-response functions relevant to different species, signals and contexts. We adapted and applied recurrent event survival analysis (Cox proportional hazard models) todata from the 3S BRS project, where multiple behavioral responses of different severities had been observed per experimental exposure and per individual based upon expert scoring. We included species, signal type, exposure number and behavioral state prior to exposure as potential covariates. The bestmodel included all main effect terms, with the exception of exposure number, as well as two interaction terms. The interactions between signal and behavioral state, and between species and behavioral state highlighted that the sensitivity of animals to different signal types (a 6–7 kHz upsweep sonar signal [MFAS] or a 1–2 kHz upsweep sonar signal [LFAS]) depended on their behavioral state (feeding or nonfeeding), and this differed across species. Of the three species included in this analysis (sperm whale [Physeter macrocephalus], killer whale [Orcinus orca] and long-finned pilot whale [Globicephala melas]), killer whales were consistently the most likely to exhibit behavioral responses to naval sonar exposure. We conclude that recurrent event survival analysis provides an effective framework for fitting dose-response severity functions to data from behavioral response studies. It can provide outputs that can help government and industry to evaluate the potential impacts of anthropogenic sound production in the ocean.

AB - Behavioral response studies (BRSs) aim to enhance our understanding of the behavior changes made by animals in response to specific exposure levels of different stimuli, often presented in an increasing dosage. Here, we focus on BRSs that aim to understand behavioral responses of free-ranging whales and dolphins to manmade acoustic signals (although the methods are applicable more generally). One desired outcome of these studies is dose-response functions relevant to different species, signals and contexts. We adapted and applied recurrent event survival analysis (Cox proportional hazard models) todata from the 3S BRS project, where multiple behavioral responses of different severities had been observed per experimental exposure and per individual based upon expert scoring. We included species, signal type, exposure number and behavioral state prior to exposure as potential covariates. The bestmodel included all main effect terms, with the exception of exposure number, as well as two interaction terms. The interactions between signal and behavioral state, and between species and behavioral state highlighted that the sensitivity of animals to different signal types (a 6–7 kHz upsweep sonar signal [MFAS] or a 1–2 kHz upsweep sonar signal [LFAS]) depended on their behavioral state (feeding or nonfeeding), and this differed across species. Of the three species included in this analysis (sperm whale [Physeter macrocephalus], killer whale [Orcinus orca] and long-finned pilot whale [Globicephala melas]), killer whales were consistently the most likely to exhibit behavioral responses to naval sonar exposure. We conclude that recurrent event survival analysis provides an effective framework for fitting dose-response severity functions to data from behavioral response studies. It can provide outputs that can help government and industry to evaluate the potential impacts of anthropogenic sound production in the ocean.

KW - behavioral response

KW - Cetaceans

KW - Controlled exposure experiment

KW - Cox proportional hazards model

KW - Globicephala melas

KW - Orcinus orca

KW - Physeter macrocephalus

KW - Response intensity

KW - Sonar

UR - http://www.esajournals.org/doi/pdf/10.1890/ES15-00242.1

U2 - 10.1890/ES15-00242.1

DO - 10.1890/ES15-00242.1

M3 - Article

VL - 6

JO - Ecosphere

T2 - Ecosphere

JF - Ecosphere

SN - 2150-8925

IS - 11

M1 - 236

ER -

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ID: 156503959