RV Cirolana CIR2/83
Cruise summary report
| Cruise Info. | |
| Ship name (ship code) | RV Cirolana (74CZ) |
| Cruise identifier | CIR2/83 |
| Cruise period | 1983-01-21 — 1983-02-01 |
| Status | Completed |
| Port of departure | Grimsby, United Kingdom |
| Port of return | Grimsby, United Kingdom |
| Purpose | Research |
| Objectives | To study the spawning behaviour of plaice in relation to gonad maturation stage, lunar cycle, time of day and state of tide. |
| Chief scientist | F R Harden-Jones (Ministry of Agriculture, Fisheries and Food Lowestoft Fisheries Laboratory) |
| Cruise report |  (0.17 MB) |
| Ocean/sea areas | |
| General | North Sea |
| Specific | North Sea |
| Track charts |  |
| Measurements | |
| Biology and fisheries | |
| Phytoplankton | Quantity: number of samples = 67 |
| Zooplankton | Quantity: number of samples = 67 |
| Demersal fish | Quantity: number of hauls = 32 |
