1. 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.
2. To collect genetic and photographic data on west coast herring for WESTHER project.
David G Reid (Fisheries Research Services Aberdeen Marine Laboratory)
ICES coordinated acoustic and mid-water trawling survey and WESTHER
North Sea North East Atlantic Ocean (limit 40W)
North Western North Sea; North of Scotland
Cape Wrath, Barra Head Bank, Gallan Head, mid shelf west of the Hebrides, the shelf edge N of the Butt of Lewis and in the area NE of the Butt
Biology and fisheries
Quantity: number of hauls = 43 Description: Trawls for Herring (2539 herring and 377 mackerel measured)
Acoustic reflection on marine organisms.
Quantity: activity duration in days = 18 Description: days of acoustic measurements