RV Cirolana CIR5/79
Cruise summary report
| Cruise Info. | |
| Ship name (ship code) | RV Cirolana (74CZ) |
| Cruise identifier | CIR5/79 |
| Cruise period | 1979-05-09 — 1979-05-29 |
| Status | Completed |
| Port of departure | Grimsby, United Kingdom |
| Port of return | Grimsby, United Kingdom |
| Purpose | Fisheries |
| Objectives | 1. Trawling in all areas around the British Isles for mackerel for studies on stock separation.
2. To make 'in situ' target strength measurements. 3. To test the 20" TTN, towed at 5 knots but shot and hauled at twice the nomal speed. 4. To collect 50 l seawater samples at selected station positions around the British Isles. 5. To collect tissue samples from small gadoids for immunogenetic examination. 6. To collect hearts from assorted fish species for histological examination. 7. To carry out egg development studies on any fish not previously studied. 8. To carry out physiological observations on any non-littoral decapod crustaceans taken in trawl hauls. |
| Chief scientist | Stephen J Lockwood (Ministry of Agriculture, Fisheries and Food Lowestoft Fisheries Laboratory) |
| Cruise report |  (0.27 MB) |
| Ocean/sea areas | |
| General | North Sea Norwegian Sea Irish Sea and St. George's Channel North East Atlantic Ocean (limit 40W) |
| Track charts |  |
| Measurements | |
| Physical oceanography | |
| Surface measurements underway (T,S) | Description: T only |
| Biology and fisheries | |
| Pelagic fish | Quantity: number of hauls = 65 Description: population structures |
