FRV Explorer 11/73
Cruise summary report
| Cruise Info. | |
| Ship name (ship code) | FRV Explorer (74EX) |
| Cruise identifier | 11/73 |
| Cruise period | 1973-12-03 — 1973-12-23 |
| Status | Completed |
| Port of departure | Aberdeen, United Kingdom |
| Port of return | Aberdeen, United Kingdom |
| Purpose | Research |
| Objectives | 1) West coast, north coast and Moray Firth environmental and pre-recruit demersal fish survey
2) Dutch Gulf III samples were taken at all stations, Standard net samples at 5 stations, and a WP3 sample at station 39. 3) Immunodiffusion tests were conducted using serum from infected and uninfected whiting of various age groups Bad weather interrupted work on the 05/12/1973. Trawling was resumed on the 06/12/1973. ''Explorer'' berthed at Greenock on the 13/12/1973 leaving on the 15/12/1973, and again in Campbeltown on the 15/12/1973 sailing again on the 16/12/1973. |
| Chief scientist | Kenneth MacKenzie (Department of Agriculture and Fisheries for Scotland Aberdeen Marine Laboratory) |
| Cruise report |  (0.07 MB) |
| Ocean/sea areas | |
| General | North Sea Inner Seas off the West Coast of Scotland |
| Specific | Minches, Firth of Clyde, W of outer Hebrides, Moray Firth |
| Measurements | |
| Physical oceanography | |
| Surface measurements underway (T,S) | Quantity: number of stations = 19 Description: pump samples S only. |
| Water bottle stations | Quantity: number of stations = 19 Description: pump samples T surface only. |
| Chemical oceanography | |
| Phosphate | Quantity: number of stations = 19 Description: Trawling |
| Nitrate | Quantity: number of stations = 19 Description: Trawling |
| Alkalinity | Quantity: number of stations = 19 Description: Trawling |
| Biology and fisheries | |
| Phytoplankton pigs (eg chlorophyll, fluorescence) | Quantity: number of stations = 19 Description: Trawling |
| Particulate organic matter (inc POC, PON) | Quantity: number of stations = 19 Description: Trawling |
| Pelagic fish | Quantity: number of stations = 19 Description: Trawling. 2026 whiting were examined for Gilquinia squali infection. 450 haddock were examined for infection with the cestode parasite Grillotia |
