RV Cirolana CIR1/77
Cruise summary report
| Cruise Info. | |
| Ship name (ship code) | RV Cirolana (74CZ) |
| Cruise identifier | CIR1/77 |
| Cruise period | 1977-01-05 — 1977-01-25 |
| Status | Completed |
| Port of departure | Grimsby, United Kingdom |
| Port of return | Yarmouth, United Kingdom |
| Purpose | Research |
| Objectives | 1. To make an acoustic survey of the wintering and pre-spawning concentrations
of mackerel in the eastern English Channel, and to the edge of the continental shelf, from 47N to 54N. 2. To identify echo traces in this area. 3. To service JONSIS 1 and JONSIS 2 current meter stations. 4. To take biological samples of mackerel, blue whiting, anchovy, and any deep-water demersal fish species caught. 5. To land approx 100 live mackerel at Yarmouth. 6 .To land 2-5,000 live plaice eggs from Channel spawning areas. |
| Chief scientist | Michael Gregg Pawson (Ministry of Agriculture, Fisheries and Food Lowestoft Fisheries Laboratory) |
| Cruise report |  (0.29 MB) |
| Ocean/sea areas | |
| General | Baltic Sea Irish Sea and St. George's Channel Bay of Biscay North East Atlantic Ocean (limit 40W) |
| Track charts |  |
| Measurements | |
| Physical oceanography | |
| Surface measurements underway (T,S) | Quantity: track kilometres = 3704 Description: T only |
| Current meters | Quantity: number of deployments = 2 |
| Biology and fisheries | |
| Eggs and larvae | Quantity: number of samples = 2 |
| Pelagic fish | Quantity: number of hauls = 6 |
| Demersal fish | Quantity: number of hauls = 1 Description: identification,distribution,biomass determination |
| Acoustic reflection on marine organisms. | Quantity: track kilometres = 3704 |
