FRV Mara 11/63
Cruise summary report
| Cruise Info. | |
| Ship name (ship code) | FRV Mara (74MR) |
| Cruise identifier | 11/63 |
| Cruise period | 1963-08-12 — 1963-08-24 |
| Status | Completed |
| Port of departure | Aberdeen, United Kingdom |
| Port of return | Aberdeen, United Kingdom |
| Purpose | Trials |
| Objectives | 1) To obtain further data on the selectivity of Ulstron cod-ends
2) To assess the effect on both catch size and composition of varying the headline height of the trawl 3) To collect live specimens for the laboratory's aqaurium 4) 2 samples of herring were landed for examination at the laboratory 5) Various visitors were accomodated on several days |
| Chief scientist | Michael J D Mowat (Department of Agriculture and Fisheries for Scotland Aberdeen Marine Laboratory) |
| Cruise report |  (0.03 MB) |
| Ocean/sea areas | |
| General | North Sea |
| Specific | close to Aberdeen |
| Measurements | |
| Biology and fisheries | |
| Demersal fish | Description: To collect live specimens, 2 samples of herring were landed and a number of live fish collected for the aquarium. No. of specimens not noted. |
| Gear research | Description: In the Aberdeen area futher data was collected on the selectivity of Ulstron cod-ends. No. of hauls not noted. |
| Gear research | Description: To assess the effect of varying headline. No. of hauls not specified. |
