[HTML][HTML] Model validation for compositional data in stock assessment models: calculating residuals with correct properties
Stock assessment models are often used to inform fisheries management and need
therefore to be thoroughly validated. Different diagnostics exist to validate models including …
therefore to be thoroughly validated. Different diagnostics exist to validate models including …
Data weighting: An iterative process linking surveys, data synthesis, and population models to evaluate mis-specification
JT Thorson, CC Monnahan, PJF Hulson - Fisheries Research, 2023 - Elsevier
Integrated stock assessments specify a distribution for multiple data types, and these
distributions control the relative leverage assigned to each datum. A decade of research has …
distributions control the relative leverage assigned to each datum. A decade of research has …
Spatiotemporal analysis of compositional data: increased precision and improved workflow using model-based inputs to stock assessment
JT Thorson, MA Haltuch - Canadian Journal of Fisheries and …, 2019 - cdnsciencepub.com
Stock assessment models are fitted to abundance-index, fishery catch, and age–length–sex
composition data that are estimated from survey and fishery records. Research has …
composition data that are estimated from survey and fishery records. Research has …
Process and sampling variance within fisheries stock assessment models: estimability, likelihood choice, and the consequences of incorrect specification
Increasingly, mixed-effect fishery stock assessment models are being developed where
deviations about functional forms of different processes are modelled as random effects and …
deviations about functional forms of different processes are modelled as random effects and …
[PDF][PDF] A state-space stock assessment model for American plaice on the Grand Bank of Newfoundland
AMJ Perreault, LJ Wheeland, MJ Morgan… - Journal of Northwest …, 2020 - journal.nafo.int
The current stock assessment model for American plaice (Hippoglossoides platessoides) on
the Grand Bank of Newfoundland (NAFO Divisions 3LNO) is a virtual population analysis …
the Grand Bank of Newfoundland (NAFO Divisions 3LNO) is a virtual population analysis …
[HTML][HTML] An evaluation of common stock assessment diagnostic tools for choosing among state-space models with multiple random effects processes
State-space models have received increasing attention in fisheries stock assessments given
their flexibility to incorporate multiple sources of process errors. Identifying which process …
their flexibility to incorporate multiple sources of process errors. Identifying which process …
Rebuilding and Reference Points Under Compensatory and Depensatory Recruitment: A Meta‐Analysis of Northeast Atlantic Fish Stocks
Modern management of fish stocks is based on integrating the precautionary approach with
the maximum sustainable yield framework. It relies on accurate estimation of precautionary …
the maximum sustainable yield framework. It relies on accurate estimation of precautionary …
Turning reference points inside out: comparing MSY reference points estimated inside and outside the assessment model
V Trijoulet, CW Berg, DCM Miller… - ICES Journal of …, 2022 - academic.oup.com
Reference points are used in fisheries management to infer stock status and inform future
fishing opportunities. They can be estimated externally to the assessment model assuming …
fishing opportunities. They can be estimated externally to the assessment model assuming …
Comparing the performance of three data-weighting methods when allowing for time-varying selectivity
How to properly weight composition data is an important ongoing research topic for fisheries
stock assessments, and multiple methods for weighting composition data have been …
stock assessments, and multiple methods for weighting composition data have been …
Model-based estimates of reference points in an age-based state-space stock assessment model
CM Albertsen, V Trijoulet - Fisheries Research, 2020 - Elsevier
Reference points are central in the current management of marine living resources.
However, reference points are estimated from data and model estimates. Therefore, they are …
However, reference points are estimated from data and model estimates. Therefore, they are …