RV Cirolana CIR11A/75
Cruise summary report
| Cruise Info. | |
| Ship name (ship code) | RV Cirolana (74CZ) |
| Cruise identifier | CIR11A/75 |
| Cruise period | 1975-11-28 — 1975-12-09 |
| Status | Completed |
| Port of departure | Falmouth, United Kingdom |
| Port of return | Great Yarmouth, United Kingdom |
| Purpose | Research |
| Objectives | 1. To carry out an acoustic survey of the area Start Point - Wolf Rock,
extending up to 40-50 miles off the coast. 2. To identify echo traces by means of mid-water trawling and feathering. 3. Time permitting, to tag feather-caught mackerel, using both internal and external tags. |
| Chief scientist | P O Johnson (Ministry of Agriculture, Fisheries and Food Lowestoft Fisheries Laboratory) |
| Cruise report |  (0.17 MB) |
| Ocean/sea areas | |
| General | English Channel |
| Measurements | |
| Physical oceanography | |
| Surface measurements underway (T,S) | Quantity: track kilometres = 3148.4 Description: T only |
| Biology and fisheries | |
| Pelagic fish | Quantity: number of hauls = 9 Description: 1700nm biomass determination, distribution |
| Acoustic reflection on marine organisms. | Quantity: track kilometres = 3148.4 |
| Taggings | Quantity: number of specimens = 186 |
