RV Clione CLI18/74
Cruise summary report
| Cruise Info. | |
| Ship name (ship code) | RV Clione (74CN) |
| Cruise identifier | CLI18/74 |
| Cruise period | 1974-12-09 — 1974-12-18 |
| Status | Completed |
| Port of departure | Lowestoft, United Kingdom |
| Port of return | Lowestoft, United Kingdom |
| Purpose | Research |
| Objectives | To test the hypothesis that plaice travel southwards to their spawning
grounds in the Southern Bight by means of a tidal transport mechanism and to identify the possible migration tracks. Live rays and plaice were returned to the laboratory. Sprats and small gadiods were collected and frozen for the fish farming programme. |
| Chief scientist | Michael Greer-Walker (Ministry of Agriculture, Fisheries and Food Lowestoft Fisheries Laboratory) |
| Cruise report |  (0.15 MB) |
| Ocean/sea areas | |
| General | North Sea |
| Specific | Southern North Sea, Cross Sand, off Great Yarmouth, Outer Gabbard area, off Southwold |
| Measurements | |
| Biology and fisheries | |
| Demersal fish | Quantity: number of specimens = 47 Description: 11 plaice were caught on north-going tides and 36 on south going tides |
| Demersal fish | Quantity: number of hauls = 8 Description: Four full pairs of hauls were made. Fishing commenced one and a half hours before maximum tidal stream velocity and finished one and a half hours afterwards on each of the tides. |
| Gear research | Quantity: number of hauls = 2 Description: Two trial hauls (Stns 1 and 2) |
| Moorings, landers, buoys | |
| Biology and fisheries | |
| Demersal fish | 52° 35' 47" N 2° 10' 48" E — Position shot for Station 1, 0 fish caught |
| Demersal fish | 52° 36' 29" N 2° 13' 59" E — Position shot for Station 3, 5 fish caught, 2 males, 3 females |
| Demersal fish | 52° 21' 47" N 2° 14' 29" E — Position shot for Station 4, 4 fish caught, 2 males, 2 females |
| Demersal fish | 52° 16' 29" N 2° 9' 59" E — Position shot for Station 6, 14 fish caught, 7 males, 7 females |
| Demersal fish | 52° 4' 17" N 2° 5' 47" E — Position shot for Station 11, 2 fish caught, 2 females |
| Demersal fish | 52° 15' 41" N 2° 15' 5" E — Position shot for Station 8, 3 fish caught, 1 males, 2 females |
| Demersal fish | 52° 0' 11" N 2° 15' 29" E — Position shot for Station 9, 0 fish caught |
| Demersal fish | 52° 19' 23" N 2° 5' 23" E — Position shot for Station 10, 14 fish caught, 3 males, 11 females |
| Demersal fish | 52° 37' 41" N 2° 10' 23" E — Position shot for Station 2, 1 fish caught |
| Demersal fish | 52° 0' 59" N 2° 9' 59" E — Position shot for Station 7, 5 fish caught, 3 males, 2 females |
