Assess the spawning stock of mackerel and horse mackerel in May/June as part of the joint international triennial mackerel and horse mackerel survey on the spawning grounds west of the British Isles, the Porcupine Bank and the Rockall Bank.
Hoegni H Debes (Faroe Marine Research Institute)
ICES Mackerel and Horse Mackerel Egg Survey
International Council for the Exploration of the Sea (ICES)
North East Atlantic Ocean (limit 40W)
West of the UK and Ireland. Porcupine Bank. Rockall Bank.