Catchability of target and non-target species by circle hook size in the Hawaii and American Samoa tuna longline fisheries

Bigelow, Keith; Swimmer, Yonat

doi:10.25923/6rt5-6108

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Catchability of target and non-target species by circle hook size in the Hawaii and American Samoa tuna longline fisheries

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Personal Author:

Bigelow, Keith ; Swimmer, Yonat

Bigelow, Keith ; Swimmer, Yonat Less -
NOAA Program & Office:

NMFS (National Marine Fisheries Service)
Description:

This study provides empirical evidence which suggests that for a tuna fishery in the Pacific Ocean, adoption of a larger hook could provide increased catchability of retained species while simultaneously serving as a conservation tool by decreasing catchability of a majority of bycatch species. With the exception of higher catchability of blue shark, the primary elasmobranch species caught, larger hook size implementation could reduce overall discards.
Keywords:

[+]

Bycatches (Fisheries) Equipment And Supplies Longlining (Fisheries) Mortality Prevention Sharks Tuna Fisheries
Series:

PIFSC working paper ; WP-18-006
DOI:

https://doi.org/10.25923/6rt5-6108
Document Type:

Working Paper
Place as Subject:

Pacific Ocean
Rights Information:

Public Domain
Compliance:

Submitted
Main Document Checksum:

[+]

urn:sha256:708423d1750c4c481ec6fceff623f6f9aac16292f14c4cad4e7e21dc800f30a1
Download URL:

https://repository.library.noaa.gov/view/noaa/18266/noaa_18266_DS1.pdf
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Catchability of target and non-target species by circle hook size in the Hawaii and American Samoa tuna longline fisheries

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