Collated analyses for 10 trawl survey series were assessed to judge which provided sufficiently reliable relative abundance time series for partial quantitative assessment of rough skate (Zearaja nasuta, RSK) and/or smooth skate (Dipturus innominatus, SSK). Putative assessments were conducted using six survey series. Two assessments were accepted as the basis for forming advice, for RSK in quota management area 3 (RSK 3), and SSK in quota management area 7 (SSK 7).
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