RV Cirolana CIR4/71
Cruise summary report
| Cruise Info. | |
| Ship name (ship code) | RV Cirolana (74CZ) |
| Cruise identifier | CIR4/71 |
| Cruise period | 1971-05-04 — 1971-05-28 |
| Status | Completed |
| Port of departure | Grimsby, United Kingdom |
| Port of return | Grimsby, United Kingdom |
| Purpose | Research |
| Objectives | 1. To ensure that officers and crew are thoroughly practised in the use of the Engels 788 Cod Trawl prior to beginning to investigate the vertical extent of the cod's pelagic phase.
2. To collect cod blood for Dr Jamieson. 3. To obtain live halibut for Dr Purdom. 4. To develop a technique for estimating amounts of nanophytoplankton with the aid of the Turner fluorometer. 5. To obtain live turbot for Dr Allan Jones. 6. To continue investigations into the incidence of cod flesh parasites. 7. To carry out ship noise trials. |
| Chief scientist | G C Trout (Ministry of Agriculture, Fisheries and Food Lowestoft Fisheries Laboratory) |
| Cruise report |  (0.32 MB) |
| Ocean/sea areas | |
| General | Irish Sea and St. George's Channel North East Atlantic Ocean (limit 40W) |
| Measurements | |
| Physical oceanography | |
| Water bottle stations | Description: T surface only |
| Biology and fisheries | |
| Phytoplankton pigs (eg chlorophyll, fluorescence) | Quantity: number of samples = 93 |
| Phytoplankton | Quantity: number of samples = 93 |
| Meteorology | |
| Other meteorological measurements | Description: sea and swell |
