Translating the terrestrial mitigation hierarchy to marine megafauna by-catch

E J Milner-Gulland, Serge Garcia, William Arlidge, Joseph Bull, Anthony Charles, Laurent Dagorn, Sonya Fordham, Joshua Graff Zivin, Martin Hall, Jeffrey Shrader, Niels Vestergaard, Chris Wilcox, Dale Squires

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Resumé

In terrestrial and coastal systems, the mitigation hierarchy is widely and increasingly used to guide actions to ensure that no net loss of biodiversity ensues from development. We develop a conceptual model which applies this approach to the mitigation of marine megafauna by-catch in fisheries, going from defining an overarching goal with an associated quantitative target, through avoidance, minimization, remediation to offsetting. We demonstrate the framework's utility as a tool for structuring thinking and exposing uncertainties. We draw comparisons between debates ongoing in terrestrial situations and in by-catch mitigation, to show how insights from each could inform the other; these are the hierarchical nature of mitigation, out-of-kind offsets, research as an offset, incentivizing implementation of mitigation measures, societal limits and uncertainty. We explore how economic incentives could be used throughout the hierarchy to improve the achievement of by-catch goals. We conclude by highlighting the importance of clear agreed goals, of thinking beyond single species and individual jurisdictions to account for complex interactions and policy leakage, of taking uncertainty explicitly into account and of thinking creatively about approaches to by-catch mitigation in order to improve outcomes for conservation and fishers. We suggest that the framework set out here could be helpful in supporting efforts to improve by-catch mitigation efforts and highlight the need for a full empirical application to substantiate this.

OriginalsprogEngelsk
TidsskriftFish and Fisheries
Vol/bind19
Udgave nummer3
Sider (fra-til)547-561
ISSN1467-2960
DOI
StatusUdgivet - 1. maj 2018

Fingeraftryk

pollution control
bycatch
mitigation
uncertainty
economic incentives
leakage
remediation
fishery
biodiversity
fisheries

Citer dette

Milner-Gulland, E. J., Garcia, S., Arlidge, W., Bull, J., Charles, A., Dagorn, L., ... Squires, D. (2018). Translating the terrestrial mitigation hierarchy to marine megafauna by-catch. Fish and Fisheries, 19(3), 547-561. https://doi.org/10.1111/faf.12273
Milner-Gulland, E J ; Garcia, Serge ; Arlidge, William ; Bull, Joseph ; Charles, Anthony ; Dagorn, Laurent ; Fordham, Sonya ; Graff Zivin, Joshua ; Hall, Martin ; Shrader, Jeffrey ; Vestergaard, Niels ; Wilcox, Chris ; Squires, Dale. / Translating the terrestrial mitigation hierarchy to marine megafauna by-catch. I: Fish and Fisheries. 2018 ; Bind 19, Nr. 3. s. 547-561.
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Milner-Gulland, EJ, Garcia, S, Arlidge, W, Bull, J, Charles, A, Dagorn, L, Fordham, S, Graff Zivin, J, Hall, M, Shrader, J, Vestergaard, N, Wilcox, C & Squires, D 2018, 'Translating the terrestrial mitigation hierarchy to marine megafauna by-catch', Fish and Fisheries, bind 19, nr. 3, s. 547-561. https://doi.org/10.1111/faf.12273

Translating the terrestrial mitigation hierarchy to marine megafauna by-catch. / Milner-Gulland, E J; Garcia, Serge; Arlidge, William; Bull, Joseph; Charles, Anthony; Dagorn, Laurent; Fordham, Sonya; Graff Zivin, Joshua; Hall, Martin; Shrader, Jeffrey; Vestergaard, Niels; Wilcox, Chris; Squires, Dale.

I: Fish and Fisheries, Bind 19, Nr. 3, 01.05.2018, s. 547-561.

Publikation: Bidrag til tidsskriftTidsskriftartikelForskningpeer review

TY - JOUR

T1 - Translating the terrestrial mitigation hierarchy to marine megafauna by-catch

AU - Milner-Gulland, E J

AU - Garcia, Serge

AU - Arlidge, William

AU - Bull, Joseph

AU - Charles, Anthony

AU - Dagorn, Laurent

AU - Fordham, Sonya

AU - Graff Zivin, Joshua

AU - Hall, Martin

AU - Shrader, Jeffrey

AU - Vestergaard, Niels

AU - Wilcox, Chris

AU - Squires, Dale

PY - 2018/5/1

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N2 - In terrestrial and coastal systems, the mitigation hierarchy is widely and increasingly used to guide actions to ensure that no net loss of biodiversity ensues from development. We develop a conceptual model which applies this approach to the mitigation of marine megafauna by-catch in fisheries, going from defining an overarching goal with an associated quantitative target, through avoidance, minimization, remediation to offsetting. We demonstrate the framework's utility as a tool for structuring thinking and exposing uncertainties. We draw comparisons between debates ongoing in terrestrial situations and in by-catch mitigation, to show how insights from each could inform the other; these are the hierarchical nature of mitigation, out-of-kind offsets, research as an offset, incentivizing implementation of mitigation measures, societal limits and uncertainty. We explore how economic incentives could be used throughout the hierarchy to improve the achievement of by-catch goals. We conclude by highlighting the importance of clear agreed goals, of thinking beyond single species and individual jurisdictions to account for complex interactions and policy leakage, of taking uncertainty explicitly into account and of thinking creatively about approaches to by-catch mitigation in order to improve outcomes for conservation and fishers. We suggest that the framework set out here could be helpful in supporting efforts to improve by-catch mitigation efforts and highlight the need for a full empirical application to substantiate this.

AB - In terrestrial and coastal systems, the mitigation hierarchy is widely and increasingly used to guide actions to ensure that no net loss of biodiversity ensues from development. We develop a conceptual model which applies this approach to the mitigation of marine megafauna by-catch in fisheries, going from defining an overarching goal with an associated quantitative target, through avoidance, minimization, remediation to offsetting. We demonstrate the framework's utility as a tool for structuring thinking and exposing uncertainties. We draw comparisons between debates ongoing in terrestrial situations and in by-catch mitigation, to show how insights from each could inform the other; these are the hierarchical nature of mitigation, out-of-kind offsets, research as an offset, incentivizing implementation of mitigation measures, societal limits and uncertainty. We explore how economic incentives could be used throughout the hierarchy to improve the achievement of by-catch goals. We conclude by highlighting the importance of clear agreed goals, of thinking beyond single species and individual jurisdictions to account for complex interactions and policy leakage, of taking uncertainty explicitly into account and of thinking creatively about approaches to by-catch mitigation in order to improve outcomes for conservation and fishers. We suggest that the framework set out here could be helpful in supporting efforts to improve by-catch mitigation efforts and highlight the need for a full empirical application to substantiate this.

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KW - biodiversity offsetting

KW - economic incentives

KW - no net loss

KW - sharks and rays

KW - turtles

U2 - 10.1111/faf.12273

DO - 10.1111/faf.12273

M3 - Journal article

VL - 19

SP - 547

EP - 561

JO - Fish and Fisheries

JF - Fish and Fisheries

SN - 1467-2960

IS - 3

ER -

Milner-Gulland EJ, Garcia S, Arlidge W, Bull J, Charles A, Dagorn L et al. Translating the terrestrial mitigation hierarchy to marine megafauna by-catch. Fish and Fisheries. 2018 maj 1;19(3):547-561. https://doi.org/10.1111/faf.12273