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Scaled standardized albacore CPUE (catches of albacore (kg) / per vessel fishing time (hours)) index based on the predicted values of the final two-stage model using data for the period 1991-2015 fom the French mid-water trawl fishery. The black points represent the nominal CPUE, the solid lines the scaled standardized CPUE (indexes of abundance) and the dashed lines the pointwise 95% confidence band.
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