Cruise inventory

Aquila AQ0586

Cruise summary report

Cruise Info. 
Ship name (ship code)Aquila (74GC)
Cruise identifierAQ0586
Cruise period1986-05-19 — 1986-06-03
StatusCompleted
Port of departureLerwick, United Kingdom
Port of returnLerwick, United Kingdom
PurposeFisheries
Objectives1. To tag sandeel (A. marinus) on inshore fishing grounds at Shetland.
2. To determine the distribution of sandeels.
3. To collect biological and environmental data on sandeels and sandeel fishing grounds.
Chief scientistJ A Gauld (Department of Agriculture and Fisheries for Scotland Aberdeen Marine Laboratory)
Cruise reportAquila AQ0586 cruise report aquila_may86.pdf — access key 'C' (0.08 MB) 
Ocean/sea areas 
GeneralNorth Sea
Track chartsAquila AQ0586 cruise track — trk3584.html
Measurements 
Physical oceanography 
Water bottle stationsQuantity: number of stations = 16
Subsurface temperature and salinity measurementsDescription: water temperature and salinity measurements made at 3 depths on each ground worked.
Biology and fisheries 
ZooplanktonDescription: samples of plankton collected to determine availability of food for sandeels.
Demersal fishDescription: trawls to determine predation of sandeels.
TaggingsQuantity: number of specimens = 5488
Description: sandeels tagged to obtain estimates of fishing mortality.
Exploratory fishing
Geology and geophysics 
DredgeDescription: sandeel dredge to determine distribution.