To carry out an acoustic survey for herring in ICES area VIa(N) as part of the ICES coordinated acoustic and mid-water trawling survey in the north-western North Sea and North of Scotland. Project code MF01t.
David G Reid (Fisheries Research Services Aberdeen Marine Laboratory)
Acoustic and mid-water trawling survey
North Sea Inner Seas off the West Coast of Scotland
North Western North Sea and North of Scotland
Biology and fisheries
Quantity: number of hauls = 53 Description: Trawls
Quantity: number of hauls = 3201 Description: Herrings sampled. Otoliths taken, measured for weight sex, maturity, gonad weight feeding state and gut weight if feeding.
Acoustic reflection on marine organisms.
Quantity: track kilometres = 5186 Description: Miles of Echo sounder survey track