Catch per unit effort modelling for stock assessment: A summary of good practices

SD Hoyle, RA Campbell, ND Ducharme-Barth… - Fisheries …, 2024 - Elsevier
Indices of abundance based on fishery catch-per-unit-effort (CPUE) are important
components of many stock assessments, particularly when fishery-independent surveys are …

The need for spatio-temporal modeling to determine catch-per-unit effort based indices of abundance and associated composition data for inclusion in stock …

MN Maunder, JT Thorson, H Xu, R Oliveros-Ramos… - Fisheries …, 2020 - Elsevier
We describe and illustrate a spatio-temporal modelling approach for analyzing age-or size-
specific catch-per-unit-effort (CPUE) data to develop indices of relative abundance and …

Developing spatio-temporal models using multiple data types for evaluating population trends and habitat usage

A Grüss, JT Thorson - ICES Journal of Marine Science, 2019 - academic.oup.com
Spatio-temporal models have become key tools for evaluating population trends and habitat
usage. We developed a spatio-temporal modelling framework employing a combination of …

Demersal fish and invertebrate catches relative to construction and operation of North America's first offshore wind farm

DH Wilber, L Brown, M Griffin… - ICES Journal of …, 2022 - academic.oup.com
Abstract Effects of offshore wind farm (OSW) development in the US on fishery resources
have been predicted based on European experience. A seven-year study of the first US …

Adapting to climate‐driven distribution shifts using model‐based indices and age composition from multiple surveys in the walleye pollock (Gadus chalcogrammus) …

CA O'Leary, JT Thorson, JN Ianelli… - Fisheries …, 2020 - Wiley Online Library
Abstract The northern Bering Sea is transitioning from an Arctic to subarctic fish community
as climate warms. Scientists and managers aim to understand how these changing …

Measuring the impact of oceanographic indices on species distribution shifts: The spatially varying effect of cold‐pool extent in the eastern Bering Sea

JT Thorson - Limnology and Oceanography, 2019 - Wiley Online Library
Oceanographers have spent decades developing annual indices that summarize physical
conditions in marine ecosystems. Examples include the Pacific Decadal Oscillation …

Integrating survey and observer data improves the predictions of New Zealand spatio-temporal models

A Grüss, AR Charsley, JT Thorson… - ICES Journal of …, 2023 - academic.oup.com
In many situations, species distribution models need to make use of multiple data sources to
address their objectives. We developed a spatio-temporal modelling framework that …

Standardizing fishery-dependent catch-rate information across gears and data collection programs for Alaska sablefish (Anoplopoma fimbria)

MLH Cheng, CJ Rodgveller, JA Langan… - ICES Journal of …, 2023 - academic.oup.com
Indices of abundance used to inform stock assessment models are commonly derived from
fishery-dependent data sources. However, fishery catch-per-unit-effort (CPUE) are often …

The surprising sensitivity of index scale to delta-model assumptions: recommendations for model-based index standardization

JT Thorson, CJ Cunningham, E Jorgensen, A Havron… - Fisheries …, 2021 - Elsevier
Delta-models (aka hurdle models) are widely used to fit biomass samples that include zeros
and a skewed response for positive catches, and spatio-temporal extensions of these …

Spatially varying catchability for integrating research survey data with other data sources: case studies involving observer samples, industry-cooperative surveys, and …

A Grüss, JT Thorson, OF Anderson… - Canadian Journal of …, 2023 - cdnsciencepub.com
Spatio-temporal models are widely applied to standardise research survey data and are
increasingly used to generate density maps and indices from other data sources. We …