Cruise summary report

Cruise Info. 
Ship name (ship code)Aquila (74GC)
Cruise period1985-05-20 — 1985-06-07
Port of departureLerwick, United Kingdom
Port of returnLerwick, United Kingdom
Objectives1. To tag sandeels at Shetland.
2. To collect biological and environmental data on sandeels and on sandeel fishing grounds.
3. To study diurnal and tidal effects on the availability and distribution of sandeels.
Chief scientistJ A Gauld (Department of Agriculture and Fisheries for Scotland Aberdeen Marine Laboratory)
Cruise reportAquila  cruise report aquila_may85.pdf (0.10 MB) 
Ocean/sea areas 
GeneralNorth Sea
North East Atlantic Ocean (limit 40W)
SpecificInshore fishing grounds around Shetland
Track chartsAquila  cruise track — aquila_may85track.pdf (0.04 MB) 
Physical oceanography 
Subsurface temperature and salinity measurementsDescription: Environmental investigations took place during the cruise. No. of samples not noted.
Biology and fisheries 
Pelagic fishQuantity: activity duration in hours = .5
Description: 5 grounds yielded over 1 tonne of Ammodytes marinus.
Pelagic fishQuantity: number of specimens = 6254
Description: Over 16 fishing grounds Ammodytes marinus were tagged and released.