FRV Explorer 7/66
Cruise summary report
| Cruise Info. | |
| Ship name (ship code) | FRV Explorer (74EX) |
| Cruise identifier | 7/66 |
| Cruise period | 1966-08-24 — 1966-09-07 |
| Status | Completed |
| Port of departure | Aberdeen, United Kingdom |
| Port of return | Leith, United Kingdom |
| Purpose | Research |
| Objectives | Trawling, hydrographic and plankton studies in the North Sea.
''Explorer'' landed a sick crew member on the 02/09/1966 at Aberdeen, leaving on the 03/09/1966. Bad weather severley curtailed the trawling and hydrographic work on the second part of the cruise. |
| Chief scientist | David J Symonds (Department of Agriculture and Fisheries for Scotland Aberdeen Marine Laboratory) |
| Project | Held |
| Cruise report |  (0.09 MB) |
| Ocean/sea areas | |
| General | North Sea |
| Specific | S and E of Dogger Bank, German Bight |
| Measurements | |
| Physical oceanography | |
| Surface measurements underway (T,S) | Quantity: number of stations = 30 Description: Taken from the surface and bottom |
| Water bottle stations | Quantity: number of stations = 30 Description: Taken from the surface and bottom |
| Subsurface temperature and salinity measurements | Quantity: number of stations = 30 Description: Taken from the surface and bottom |
| Biology and fisheries | |
| Sediment traps | Quantity: number of stations = 4 Description: Sedimentation samples taken from 10 m and standard hauls |
| Phytoplankton | Quantity: number of stations = 21 Description: 15 oblique hauls were made with the Gulf III net, 6 stations with the 1 m (26 mesh) net for plankton |
| Zooplankton | Quantity: number of stations = 21 Description: 15 oblique hauls were made with the Gulf III net, 6 stations with the 1 m (26 mesh) net for plankton |
| Pelagic fish | Description: One hour hauls. Herring, Sprats, Whiting, Cod, Haddock, Mackerel, and Flatfish sampled. Hauls were made with the French trawl with a small meshed extension piece and codend. |
| Demersal fish | Description: One hour hauls. Herring, Sprats, Whiting, Cod, Haddock, Mackerel, and Flatfish sampled. Hauls were made with the French trawl with a small meshed extension piece and codend. |
| Taggings | Quantity: number of specimens = 68 Description: Taggings of cod. 96 were examied for the occurance of nematodes in the flesh. 2 samples of gall bladders were preserved |
