FRV Explorer 2/69
Cruise summary report
| Cruise Info. | |
| Ship name (ship code) | FRV Explorer (74EX) |
| Cruise identifier | 2/69 |
| Cruise period | 1969-05-12 — 1969-05-27 |
| Status | Completed |
| Port of departure | Aberdeen, United Kingdom |
| Port of return | Aberdeen, United Kingdom |
| Purpose | Research |
| Objectives | 1) Tagging of roundfish, caught by trawl with a detachable codend.
2) Physiological experiments 3) Grab sampling using a Smith-McIntyre grab to obtain live benthic organism for feeding experiments Some hauls were made by trawl using an ordinary sized codend in the vicinity of latitude 58 degrees, 18 mintues North, longitude 2 degrees, 14 minutes West |
| Chief scientist | Rodney Jones (Department of Agriculture and Fisheries for Scotland Aberdeen Marine Laboratory) |
| Cruise report |  (0.15 MB) |
| Ocean/sea areas | |
| General | North Sea |
| Measurements | |
| Biology and fisheries | |
| Biochemical measurements (eg lipids, amino acids) | Description: Freshly caught haddock studied for lactate metabolism. Blood samples taken for later lactate, glucose and corticoid analysis |
| Taggings | Description: 2 hauls using detachable codends, 193 haddock and 134 whiting tagged. 230 Haddock and 127 whiting were tagged by detachable codends from hauls made by trawl fitted with a normal codend |
