RV Cirolana CIR3/74
Cruise summary report
| Cruise Info. | |
| Ship name (ship code) | RV Cirolana (74CZ) |
| Cruise identifier | CIR3/74 |
| Cruise period | 1974-03-21 — 1974-04-17 |
| Status | Completed |
| Port of departure | Grimsby, United Kingdom |
| Port of return | Grimsby, United Kingdom |
| Purpose | Research |
| Objectives | 1. To carry out an acoustic survey of blue whiting in the area Porcupine Bank to St Kilda, including Rockall.
2. To compare results for about a day on the same course in a small area with RVGO SARS and RV SCOTIA. 3. To collect material on age and length of blue whiting, maturation and fecundity. 4. To fish intensively for blue whiting for a period of 3 to 4 days. 5. To use the Continuous Plankton Recorder and Longhurst Hardy Plankton Recorder (LHPR) where possible. 6. To work with the MT ST BENEDICT on catching blue whiting. |
| Chief scientist | David H Cushing (Ministry of Agriculture, Fisheries and Food Lowestoft Fisheries Laboratory) |
| Cruise report |  (0.45 MB) |
| Ocean/sea areas | |
| General | North East Atlantic Ocean (limit 40W) |
| Track charts |  |
| Measurements | |
| Physical oceanography | |
| Surface measurements underway (T,S) | Quantity: track kilometres = 5930 Description: T only |
| Biology and fisheries | |
| Phytoplankton | Quantity: activity duration in days = 21 Description: 2400nm longhurst-hardy plankton recorder |
| Zooplankton | Quantity: activity duration in days = 21 Description: longhurst-hardy plankton recorder |
| Eggs and larvae | Quantity: activity duration in days = 21 Description: longhurst-hardy plankton recorder population structures |
| Acoustic reflection on marine organisms. | Quantity: track kilometres = 6482 |
| Other biological/fisheries measurement | Quantity: track kilometres = 6482 Description: deep scattering layers |
| Meteorology | |
| Occasional standard measurements |
