RV Cirolana CIR10/75
Cruise summary report
| Cruise Info. | |
| Ship name (ship code) | RV Cirolana (74CZ) |
| Cruise identifier | CIR10/75 |
| Cruise period | 1975-11-04 — 1975-11-16 |
| Status | Completed |
| Port of departure | Grimsby, United Kingdom |
| Port of return | Falmouth, United Kingdom |
| Purpose | Research |
| Objectives | 1. An acoustic survey within the area Start Point-Wolf Rock extending
up to 40-50 miles off the coast. 2. Trace identification by means of mid-water trawling and feathering. 3. Tag feather-caught mackerel using both internal and external tags. 4. Target strength estimations using the pulse-height analyser. 5. Trials with the Birmingham University wideband sonar equipment. 6. Monitor foreign fishing activity within the survey area. |
| Chief scientist | P O Johnson (Ministry of Agriculture, Fisheries and Food Lowestoft Fisheries Laboratory) |
| Cruise report |  (0.19 MB) |
| Ocean/sea areas | |
| General | English Channel |
| Measurements | |
| Physical oceanography | |
| Surface measurements underway (T,S) | Quantity: track kilometres = 3150 Description: T only |
| Biology and fisheries | |
| Pelagic fish | Quantity: number of hauls = 7 |
| Acoustic reflection on marine organisms. | Quantity: track kilometres = 2611.32 |
| Taggings | Quantity: track kilometres = 2055.72 |
