Fisheries Infosite

Spatial bias in pāua Haliotis iris catch-per-unit-effort


Link to file
FAR-2017-57-Spatial-bias-in-paua-CPUE.pdf (8.0 MB)

It is well understood that catch-per-unit-effort (CPUE) can be decoupled from stock biomass trends. In New Zealand, however, CPUE still provides the basis for pāua stock assessments. In this study, a simulation model was developed to investigate how CPUE indices are influenced by spatial use patterns and by management intervention, and whether spatial and temporal generalised linear mixed models can mitigate biases arising from spatial use patterns.

Document date
Monday, 6 November 2017
Document type
V 1.3
File format
Adobe PDF
File size
8.0 MB
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Uploaded date
Monday, 6 November 2017

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Author: P Neubauer;

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