FRV Clupea 1081C
Cruise summary report
|Ship name (ship code)||FRV Clupea (74CU)|
|Cruise period||1981-07-20 — 1981-08-14|
|Port of departure||Aberdeen, United Kingdom|
|Port of return||Aberdeen, United Kingdom|
|Objectives||1. To capture freshly run salmon in the North Esk, return them to the open sea some distance from the river mouth and follow them using ultrasonic tracking gear. Subsequent open water movements of the fish will be analysed in relation to the position of the home river.
2. To investigate the depths at which returning salmon swim using a depth telemetering acoustic tag, if available.
3. To sample populations of migrating salmon and to attempt to recapture the subject fish after tracking has been terminated using drift nets.
|Chief scientist||Anthony D Hawkins (Department of Agriculture and Fisheries for Scotland Aberdeen Marine Laboratory)|
|Cruise report||(0.05 MB)|
|Biology and fisheries|
|Taggings||Quantity: number of specimens = 9|
Description: salmon taken from fish trap and tracked for periods ranging from 1/2 to 32 hours.