Cruise summary report
|Cruise period||1987-01-12 — 1987-01-30|
|Port of return||Avoch, United Kingdom|
|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)|
|Track charts||(0.02 MB)|
|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 specimens = 2000|
Description: live herrings (including 1-ring) returned to laboratory
|Demersal fish||Quantity: number of flights = 35|
Description: Hauls were made in Beauly, Inverness and Cromarty Firths.
|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.