RV Cirolana CIR4/75
Cruise summary report
| Cruise Info. | |
| Ship name (ship code) | RV Cirolana (74CZ) |
| Cruise identifier | CIR4/75 |
| Cruise period | 1975-04-03 — 1975-04-28 |
| Status | Completed |
| Port of departure | Grimsby, United Kingdom |
| Port of return | Grimsby, United Kingdom |
| Purpose | Research |
| Objectives | 1. To continue the survey of distribution and abundance of Blue Whiting started in Cruise 3.
2. To sample trace-elements at selected stations during the survey. 3. To sample fish eggs and larvae and other plankton using the Continuous and Longhurst-Hardy Plankton recorders. |
| Chief scientist | R W Blacker (Ministry of Agriculture, Fisheries and Food Lowestoft Fisheries Laboratory) |
| Cruise report |  (0.39 MB) |
| Ocean/sea areas | |
| General | North East Atlantic Ocean (limit 40W) |
| Track charts |  |
| Measurements | |
| Physical oceanography | |
| Bathythermograph | Quantity: number of profiles = 21 |
| Chemical oceanography | |
| Trace elements | Quantity: number of samples = 28 |
| Biology and fisheries | |
| Zooplankton | Quantity: number of samples = 21 |
| Eggs and larvae | Quantity: number of samples = 21 |
| Exploratory fishing | Quantity: number of samples = 21 |
