Cruise summary report
Cruise Info. | |
---|
Ship name | Rose |
---|
Cruise period | 1987-01-12 — 1987-01-30 |
---|
Status | Completed |
---|
Port of return | Avoch, United Kingdom |
---|
Purpose | Fisheries |
---|
Objectives | To tag "haflin" (2-ring) herring in the inner Moray Firth with "Floy" T tags.
Vessels left 12/01/87 - proceeded to sea and began echo-search of Inverness Firth. Ring net shot 5 times that day - 2 good catches of herring but too small to tag. 1st week of charter 19 hauls made - not many 2-ring herring. 600 herring tagged. Second week - a further 16 hauls made in Inverness Firth. Tagged 7000 herring in the target length range of 17-24cm. Third week - good shoals of herring found in Munlochy/Avoch area. 6500 herring tagged. 2000 live herring (including 1-ring fish) returned to laboratory. Total: 14499 herring tagged. |
---|
Chief scientist | John A Morrison (Department of Agriculture and Fisheries for Scotland Aberdeen Marine Laboratory), William S MacDonald (Department of Agriculture and Fisheries for Scotland Aberdeen Marine Laboratory) |
---|
Cruise report | (0.09 MB) |
---|
Ocean/sea areas | |
General | North Sea |
---|
Track charts | (0.02 MB) |
---|
Measurements | |
Biology and fisheries | |
---|
Demersal fish | Quantity: number of hauls = 5 Description: The ring net was shot several times and good catches of herring were made. |
Demersal fish | Quantity: number of flights = 35 Description: Hauls were made in Beauly, Inverness and Cromarty Firths. |
Demersal fish | Quantity: number of specimens = 2000 Description: live herrings (including 1-ring) returned to laboratory |
Taggings | Quantity: number of specimens = 14499 Description: herring tagged |
Geology and geophysics | |
---|
Single-beam echosounding | Quantity: number of surveys = 1 Description: At the Inverness Firth an echo-search survey was carried out. Good herring marks were found at Caledonian Canal and Munlochy Bay. |