This project developed an operating stock assessment model and tested management procedures for pāua quota management area (QMA) PAU 4. Spatial length-based models were conditioned on assumed catch time series, producing stock trajectories and assumed status. Application of control rules led to variable outcomes at the statistical-area scale, but averaged out at a larger scale; trends were stable at the QMA-scale, with a low risk of further declines under trialled harvest control rules.
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