Comparison of visual and acoustic surveys for the detection and dynamic management of North Atlantic right whales ( Eubalaena glacialis) in Canada
Abstract The goal of this study was to develop a simulation to quantitatively compare acoustic and visual surveys and use it to inform current and future North Atlantic right whale ( Eubalaena glacialis ) risk mitigation. We expanded upon an established whale movement model, incorporating realistic...
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crwiley:10.1111/csp2.12866 2024-06-02T08:06:13+00:00 Comparison of visual and acoustic surveys for the detection and dynamic management of North Atlantic right whales ( Eubalaena glacialis) in Canada Ceballos, Valentina Taggart, Christopher Johnson, Hansen Dalhousie University Natural Sciences and Engineering Research Council of Canada 2022 http://dx.doi.org/10.1111/csp2.12866 https://onlinelibrary.wiley.com/doi/pdf/10.1111/csp2.12866 https://onlinelibrary.wiley.com/doi/full-xml/10.1111/csp2.12866 en eng Wiley http://creativecommons.org/licenses/by/4.0/ Conservation Science and Practice volume 5, issue 2 ISSN 2578-4854 2578-4854 journal-article 2022 crwiley https://doi.org/10.1111/csp2.12866 2024-05-03T11:42:38Z Abstract The goal of this study was to develop a simulation to quantitatively compare acoustic and visual surveys and use it to inform current and future North Atlantic right whale ( Eubalaena glacialis ) risk mitigation. We expanded upon an established whale movement model, incorporating realistic right whale cues for visual and acoustic detection within dynamic management zones in the Gulf of Saint Lawrence, Canada. Survey transits by acoustic (Slocum gliders) and visual (aircraft, vessels, and Remotely Piloted Aircraft Systems) platforms were simulated using representative platform movements and detection functions. We used a Monte Carlo approach to estimate the probability of detecting a cue, in each zone, as a function of survey platform, number of right whales, and survey transits. Acoustic gliders detected right whale presence in every scenario. Single transits of a management zone by visual surveys were only able to reliably (>0.5 probability) detect right whales when more than 20 whales were present. Twenty or more transits were required to reliably detect a single right whale. Our results serve as a tool to be used by decisionāmakers to inform optimal right whale monitoring strategies that consider the relative strengths of the various platforms. Article in Journal/Newspaper Eubalaena glacialis North Atlantic North Atlantic right whale Wiley Online Library Canada Conservation Science and Practice 5 2 |
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Wiley Online Library |
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English |
description |
Abstract The goal of this study was to develop a simulation to quantitatively compare acoustic and visual surveys and use it to inform current and future North Atlantic right whale ( Eubalaena glacialis ) risk mitigation. We expanded upon an established whale movement model, incorporating realistic right whale cues for visual and acoustic detection within dynamic management zones in the Gulf of Saint Lawrence, Canada. Survey transits by acoustic (Slocum gliders) and visual (aircraft, vessels, and Remotely Piloted Aircraft Systems) platforms were simulated using representative platform movements and detection functions. We used a Monte Carlo approach to estimate the probability of detecting a cue, in each zone, as a function of survey platform, number of right whales, and survey transits. Acoustic gliders detected right whale presence in every scenario. Single transits of a management zone by visual surveys were only able to reliably (>0.5 probability) detect right whales when more than 20 whales were present. Twenty or more transits were required to reliably detect a single right whale. Our results serve as a tool to be used by decisionāmakers to inform optimal right whale monitoring strategies that consider the relative strengths of the various platforms. |
author2 |
Dalhousie University Natural Sciences and Engineering Research Council of Canada |
format |
Article in Journal/Newspaper |
author |
Ceballos, Valentina Taggart, Christopher Johnson, Hansen |
spellingShingle |
Ceballos, Valentina Taggart, Christopher Johnson, Hansen Comparison of visual and acoustic surveys for the detection and dynamic management of North Atlantic right whales ( Eubalaena glacialis) in Canada |
author_facet |
Ceballos, Valentina Taggart, Christopher Johnson, Hansen |
author_sort |
Ceballos, Valentina |
title |
Comparison of visual and acoustic surveys for the detection and dynamic management of North Atlantic right whales ( Eubalaena glacialis) in Canada |
title_short |
Comparison of visual and acoustic surveys for the detection and dynamic management of North Atlantic right whales ( Eubalaena glacialis) in Canada |
title_full |
Comparison of visual and acoustic surveys for the detection and dynamic management of North Atlantic right whales ( Eubalaena glacialis) in Canada |
title_fullStr |
Comparison of visual and acoustic surveys for the detection and dynamic management of North Atlantic right whales ( Eubalaena glacialis) in Canada |
title_full_unstemmed |
Comparison of visual and acoustic surveys for the detection and dynamic management of North Atlantic right whales ( Eubalaena glacialis) in Canada |
title_sort |
comparison of visual and acoustic surveys for the detection and dynamic management of north atlantic right whales ( eubalaena glacialis) in canada |
publisher |
Wiley |
publishDate |
2022 |
url |
http://dx.doi.org/10.1111/csp2.12866 https://onlinelibrary.wiley.com/doi/pdf/10.1111/csp2.12866 https://onlinelibrary.wiley.com/doi/full-xml/10.1111/csp2.12866 |
geographic |
Canada |
geographic_facet |
Canada |
genre |
Eubalaena glacialis North Atlantic North Atlantic right whale |
genre_facet |
Eubalaena glacialis North Atlantic North Atlantic right whale |
op_source |
Conservation Science and Practice volume 5, issue 2 ISSN 2578-4854 2578-4854 |
op_rights |
http://creativecommons.org/licenses/by/4.0/ |
op_doi |
https://doi.org/10.1111/csp2.12866 |
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Conservation Science and Practice |
container_volume |
5 |
container_issue |
2 |
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1800751141160484864 |