FRV Scotia 8/81
Cruise summary report
|Ship name (ship code)||FRV Scotia (749S)|
|Cruise period||1981-08-12 — 1981-08-31|
|Port of departure||Aberdeen, United Kingdom|
|Port of return||Aberdeen, United Kingdom|
|Objectives||1. To carry out an acoustic and midwater trawling survey of the Orkney - Shetland area, as part of an ICES-coordinated survey of the herring stock in the northwestern North Sea.
2. Subsidiary objectives added shortly before and during the survey were:
a) a survey of the northern part of ICES Division VIa to search for mackerel shoals in the approaches to the Minch
b) a survey ofd Aberdeen where adult herring concentrations had been reported.
|Chief scientist||Roger S Bailey (Department of Agriculture and Fisheries for Scotland Aberdeen Marine Laboratory)|
|Project||Herring Stock by ICES|
|Cruise report||(0.12 MB)|
North East Atlantic Ocean (limit 40W)
|Specific||Northwestern North Sea, Moray Firth, Orkney, Shetland, northwest Scotland|
|Biology and fisheries|
|Mammals and reptiles|
|Pelagic fish||Quantity: number of hauls = 27|
Description: ten with the Jackson Pelagic Trawl (PT 160) and seventeen with the larger Jackson Pelagic Trawl (PT 158). Distribution, biomass determination, population structures.
|Acoustic reflection on marine organisms.|