Cruise summary report
Cruise Info. | |
---|
Ship name (ship code) | Aquila (74GC) |
---|
Cruise identifier | AQ0586 |
---|
Cruise period | 1986-05-19 — 1986-06-03 |
---|
Status | Completed |
---|
Port of departure | Lerwick, United Kingdom |
---|
Port of return | Lerwick, United Kingdom |
---|
Purpose | Fisheries |
---|
Objectives | 1. 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 scientist | J A Gauld (Department of Agriculture and Fisheries for Scotland Aberdeen Marine Laboratory) |
---|
Cruise report | (0.08 MB) |
---|
Ocean/sea areas | |
General | North Sea |
---|
Track charts | |
---|
Measurements | |
Physical oceanography | |
---|
Water bottle stations | Quantity: number of stations = 16 |
Subsurface temperature and salinity measurements | Description: water temperature and salinity measurements made at 3 depths on each ground worked. |
Biology and fisheries | |
---|
Zooplankton | Description: samples of plankton collected to determine availability of food for sandeels. |
Demersal fish | Description: trawls to determine predation of sandeels. |
Taggings | Quantity: number of specimens = 5488 Description: sandeels tagged to obtain estimates of fishing mortality. |
Exploratory fishing | |
Geology and geophysics | |
---|
Dredge | Description: sandeel dredge to determine distribution. |