Estimating Bycatch Mortality for Marine Mammals: Concepts and Best Practices

Moore, Jeffrey E.; Heinemann, Dennis; Francis, Tessa B.; Hammond, Philip S.; Long, Kristy J.; Punt, André E.; Reeves, Randall R.; Sepúlveda, Maritza; Sigurðsson, Guðjón Már; Siple, Margaret C.; Víkingsson, Gísli A.; Wade, Paul R.; Williams, Rob; Zerbini, Alexandre N.

doi:10.3389/fmars.2021.752356

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Estimating Bycatch Mortality for Marine Mammals: Concepts and Best Practices

2021
By Moore, Jeffrey E. ; Heinemann, Dennis ; Francis, Tessa B. ; ...
Source: Front. Mar. Sci. 8:752356

[PDF-1.44 MB]

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Journal Title:

Frontiers in Marine Science
Personal Author:

Moore, Jeffrey E. ; Heinemann, Dennis ; Francis, Tessa B. ; Hammond, Philip S. ; Long, Kristy J. ; ... More +

Moore, Jeffrey E. ; Heinemann, Dennis ; Francis, Tessa B. ; Hammond, Philip S. ; Long, Kristy J. ; Punt, André E. ; Reeves, Randall R. ; Sepúlveda, Maritza ; Sigurðsson, Guðjón Már ; Siple, Margaret C. ; Víkingsson, Gísli A. ; Wade, Paul R. ; Williams, Rob ; Zerbini, Alexandre N. Less -
NOAA Program & Office:

NMFS (National Marine Fisheries Service) ; AFSC (Alaska Fisheries Science Center) ; OPR (Office of Protected Resources) ; SWFSC (Southwest Fisheries Science Center) ; CICOES (Cooperative Institute for Climate, Ocean and Ecosystem Studies)

NMFS (National Marine Fisheries Service) ; AFSC (Alaska Fisheries Science Center) ; OPR (Office of Protected Resources) ; SWFSC (Southwest Fisheries Science Center) ; CICOES (Cooperative Institute for Climate, Ocean and Ecosystem Studies) Less -
Description:

This paper describes best practices for estimating bycatch mortality, which is an important ingredient of bycatch assessment and mitigation. We discuss a general bycatch estimator and how to obtain its requisite bycatch-rate and fisheries-effort data. Scientific observer programs provide the most robust bycatch estimates and consequently are discussed at length, including characteristics such as study design, data collection, statistical analysis, and common sources of estimation bias. We also discuss alternative approaches and data types, such as those based on self-reporting and electronic vessel-monitoring systems. This guide is intended to be useful to managers and scientists in countries having or establishing programs aimed at managing marine mammal bycatch, especially those conducting first-time assessments of fisheries impacts on marine mammal populations.
Keywords:

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Bycatch Estimation Marine Mammal Marine Mammal Protection Act Potential Biological Removal (PBR) Seafood Import Provisions Stock Assessment
Source:

Front. Mar. Sci. 8:752356
DOI:

https://doi.org/10.3389/fmars.2021.752356
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Journal Article
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CC BY
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Submitted
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urn:sha256:7c11c2915d1edafcd998443cd3c7d4954507e4556d47857fe276fff89f178366
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https://repository.library.noaa.gov/view/noaa/35747/noaa_35747_DS1.pdf
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Estimating Bycatch Mortality for Marine Mammals: Concepts and Best Practices

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