FRV Explorer 4/69
Cruise summary report
| Cruise Info. | |
| Ship name (ship code) | FRV Explorer (74EX) |
| Cruise identifier | 4/69 |
| Cruise period | 1969-07-19 — 1969-08-01 |
| Status | Completed |
| Port of departure | Aberdeen, United Kingdom |
| Port of return | Aberdeen, United Kingdom |
| Purpose | Research |
| Objectives | 1) To tag roundfish caught by the detachable codend technique
2) Trials of the new design of detachable codend 3) The haddock from 1 haul were used for a digestion experiment, and the stomachs preserved for subsequent laboratory analysis. 4) Live fish in good condition were collected for the aquarium during the cruise Owing to an unsatisfactory forecast, sailing was delayed till the 01/08/1969. On the 26/07/1969 ''Explorer'' made an overnight call at Kirkwall, fishing resumed on the 27/07/1969. |
| Chief scientist | Rodney Jones (Department of Agriculture and Fisheries for Scotland Aberdeen Marine Laboratory) |
| Cruise report |  (0.14 MB) |
| Ocean/sea areas | |
| General | North Sea |
| Specific | Moray Firth, 14 miles east of the Orkneys |
| Measurements | |
| Biology and fisheries | |
| Demersal fish | Quantity: number of specimens = 878 Description: 738 haddock, 138 whiting, 2 cod. All fish tagged were raised to the surface using detachable codends, the hauls beign classified according to the time spent of the sea-bed and in being raised |
| Taggings | Quantity: number of specimens = 878 Description: 738 haddock, 138 whiting, 2 cod. All fish tagged were raised to the surface using detachable codends, the hauls beign classified according to the time spent of the sea-bed and in being raised |
