FRV Scotia 8/81
Cruise summary report
| Cruise Info. | |
| Ship name (ship code) | FRV Scotia (749S) |
| Cruise identifier | 8/81 |
| Cruise period | 1981-08-12 — 1981-08-31 |
| Status | Completed |
| Port of departure | Aberdeen, United Kingdom |
| Port of return | Aberdeen, United Kingdom |
| Purpose | Fisheries |
| Objectives | 1. To carry out an acoustic and midwater trawling survey of the Orkney - Shetland area, as part of an ICES-coordinated survey of the herring stock in the northwestern North Sea.
2. Subsidiary objectives added shortly before and during the survey were: a) a survey of the northern part of ICES Division VIa to search for mackerel shoals in the approaches to the Minch b) a survey ofd Aberdeen where adult herring concentrations had been reported. |
| Chief scientist | Roger S Bailey (Department of Agriculture and Fisheries for Scotland Aberdeen Marine Laboratory) |
| Project | Herring Stock by ICES |
| Coordinating body | ICES |
| Cruise report |  (0.12 MB) |
| Ocean/sea areas | |
| General | North Sea Norwegian Sea North East Atlantic Ocean (limit 40W) |
| Specific | Northwestern North Sea, Moray Firth, Orkney, Shetland, northwest Scotland |
| Track charts |  |
| Measurements | |
| Biology and fisheries | |
| Birds | |
| Mammals and reptiles | |
| Pelagic fish | Quantity: number of hauls = 27 Description: ten with the Jackson Pelagic Trawl (PT 160) and seventeen with the larger Jackson Pelagic Trawl (PT 158). Distribution, biomass determination, population structures. |
| Acoustic reflection on marine organisms. |
