FRV Explorer 5/76
Cruise summary report
| Cruise Info. | |
| Ship name (ship code) | FRV Explorer (74EX) |
| Cruise identifier | 5/76 |
| Cruise period | 1976-06-16 — 1976-07-01 |
| Status | Completed |
| Port of return | Aberdeen, United Kingdom |
| Purpose | Research |
| Objectives | 1) International pelagic trawl survey of young gadoids
2) Scyphomedusae taken with the trawl were measured and counted 3) Carboys of seawater were collected at a station within the FLEX box 4) Samples of sprat, sandeels and group-0 gadoids were collected and frozen for the determination of weight-length relationships. 5) Sprat ovaries were preserved for Dr Bailey 6) Young gadoids were deep frozen for Dr Mackie (TRS) 7) Approximately 50 line-caught cod, haddock, and whiting were brought back alive for use in the aquarium ''Explorer'' called at Scrabaster on the 17/06/1976 to change crew members. The mid-cruise break took place from the 22/06/1976 till the 23/06/1976. 2 days were spent lying at anchor in Lerwick Bay to await a replacement crew member |
| Chief scientist | John R G Hislop (Department of Agriculture and Fisheries for Scotland Aberdeen Marine Laboratory) |
| Project | Young Gadoid Pelagic Trawl Survey |
| Cruise report |  (0.11 MB) |
| Ocean/sea areas | |
| General | North Sea Norwegian Sea North East Atlantic Ocean (limit 40W) |
| Specific | East of Orkneys and Shetlands, Falden area, Moray Firth |
| Measurements | |
| Biology and fisheries | |
| Phytoplankton pigs (eg chlorophyll, fluorescence) | Quantity: 36 Description: Made with the Lock Ewe high speed plankton sampler |
| Zooplankton | Quantity: 36 Description: Made with the Lock Ewe high speed plankton sampler |
| Mammals and reptiles | Quantity: 4 |
| Pelagic fish | Quantity: number of hauls = 37 |
| Demersal fish | Quantity: number of hauls = 37 |
| Taggings | Quantity: number of specimens = 415 Description: 400 handline caught haddock and 15 whiting were tagged and released |
