Cruise inventory

RV Clione CLI18/74

Cruise summary report

Cruise Info. 
Ship name (ship code)RV Clione (74CN)
Cruise identifierCLI18/74
Cruise period1974-12-09 — 1974-12-18
StatusCompleted
Port of departureLowestoft, United Kingdom
Port of returnLowestoft, United Kingdom
PurposeResearch
ObjectivesTo 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 scientistMichael Greer-Walker (Ministry of Agriculture, Fisheries and Food Lowestoft Fisheries Laboratory)
Cruise reportRV Clione CLI18/74 cruise report clione18_74.pdf — access key 'C' (0.15 MB) 
Ocean/sea areas 
GeneralNorth Sea
SpecificSouthern North Sea, Cross Sand, off Great Yarmouth, Outer Gabbard area, off Southwold
Measurements 
Biology and fisheries 
Demersal fishQuantity: 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.
Demersal fishQuantity: number of specimens = 47
Description: 11 plaice were caught on north-going tides and 36 on south going tides
Gear researchQuantity: number of hauls = 2
Description: Two trial hauls (Stns 1 and 2)
Moorings, landers, buoys 
Biology and fisheries 
Demersal fish52° 15' 41" N  2° 15' 5" E — Position shot for Station 8, 3 fish caught, 1 males, 2 females
Demersal fish52° 35' 47" N  2° 10' 48" E — Position shot for Station 1, 0 fish caught
Demersal fish52° 37' 41" N  2° 10' 23" E — Position shot for Station 2, 1 fish caught
Demersal fish52° 21' 47" N  2° 14' 29" E — Position shot for Station 4, 4 fish caught, 2 males, 2 females
Demersal fish52° 4' 17" N  2° 5' 47" E — Position shot for Station 11, 2 fish caught, 2 females
Demersal fish52° 0' 11" N  2° 15' 29" E — Position shot for Station 9, 0 fish caught
Demersal fish52° 36' 29" N  2° 13' 59" E — Position shot for Station 3, 5 fish caught, 2 males, 3 females
Demersal fish52° 0' 59" N  2° 9' 59" E — Position shot for Station 7, 5 fish caught, 3 males, 2 females
Demersal fish52° 19' 23" N  2° 5' 23" E — Position shot for Station 10, 14 fish caught, 3 males, 11 females
Demersal fish52° 16' 29" N  2° 9' 59" E — Position shot for Station 6, 14 fish caught, 7 males, 7 females