GLMM standardised trotline CPUE series for the toothfish resource in the Prince Edward Islands EEZ updated to include data up to the 2021 season

An updated GLMM standardisation of trotline toothfish CPUE data is presented which includes new data for the 2021 “fishing”-year. After a marked decrease in CPUE from 2015 to 2017, there has been a notable increase in the CPUE indices apart from a decline in the 2020 index. The 2021 index is the hig...

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Bibliographic Details
Main Authors: Anabela Brandao, Doug Butterworth
Format: Report
Language:unknown
Published: 2022
Subjects:
Biological mathematics
Applied statistics
Biostatistics
MARAM
Patagonian toothfish
Dissostichus eleginoides
Prince Edward islands EEZ
trotline standardised CPUE series
fisheries assessment
Generalised Linear Mixed Models
fisheries management
Patagonian Toothfish
Prince Edward Islands
Online Access:https://doi.org/10.25375/uct.21741050.v1
https://figshare.com/articles/report/GLMM_standardised_trotline_CPUE_series_for_the_toothfish_resource_in_the_Prince_Edward_Islands_EEZ_updated_to_include_data_up_to_the_2021_season/21741050
Description
Summary:An updated GLMM standardisation of trotline toothfish CPUE data is presented which includes new data for the 2021 “fishing”-year. After a marked decrease in CPUE from 2015 to 2017, there has been a notable increase in the CPUE indices apart from a decline in the 2020 index. The 2021 index is the highest since 2012 and is close to the larger values estimated for the first three years (2010-2012) of the series.

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