FRV Mara 12/64
Cruise summary report
| Cruise Info. | |
| Ship name (ship code) | FRV Mara (74MR) |
| Cruise identifier | 12/64 |
| Cruise period | 1964-09-24 — 1964-10-09 |
| Status | Completed |
| Port of departure | Stornoway, United Kingdom |
| Port of return | Buckie, United Kingdom |
| Purpose | Research |
| Objectives | 1) 3 cages were set up in Broad Bay in c. 80 ft. of water. In these were released 3 groups of fish: surface tagged fish, control fish and bottom tagged fish
2) Observations of behaviour and mortality rate were made 3) Observations of hard line-fishing ground were made ''Mara'' rendered assistance to to the fishery cruiser ''Norna'' on the 27/09/1964 |
| Chief scientist | C C Hemmings (Department of Agriculture and Fisheries for Scotland Aberdeen Marine Laboratory) |
| Cruise report |  (0.08 MB) |
| Ocean/sea areas | |
| General | Inner Seas off the West Coast of Scotland |
| Specific | Broad Bay |
| Measurements | |
| Biology and fisheries | |
| Gear research | Quantity: number of specimens = 36 Description: 3 cages were set up to look at the effects of tagging. Cage 1- 36 haddock and a few whiting, accidently included, were the control. 2 haddock died, but the rest appeared to be in good condition. |
| Gear research | Quantity: number of specimens = 50 Description: Cage 3- 50 bottom tagged haddock. These were tagged in 2 sessions. 48 fish survived. |
| Gear research | Quantity: number of specimens = 50 Description: Cage 2- 50 surface tagged haddock. The fish alive were regarded as being in good condition, but only 3 had survived. This was thought to be due to the fact the haddock had been towed behind the boat. |
