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RV Cirolana CIR1/81

Cruise summary report

Cruise Info. 
Ship name (ship code)RV Cirolana (74CZ)
Cruise identifierCIR1/81
Cruise period1981-01-05 — 1981-01-19
StatusCompleted
Port of departureGrimsby, United Kingdom
Port of returnGrimsby, United Kingdom
PurposeResearch
ObjectivesTo study the vertical distribution of plaice on their spawning grounds in relation to gonad maturation stage, time of day and state of tide.
Chief scientistF R Harden-Jones (Ministry of Agriculture, Fisheries and Food Lowestoft Fisheries Laboratory)
Cruise reportRV Cirolana CIR1/81 cruise report ci1_81.pdf (0.25 MB) 
Ocean/sea areas 
GeneralNorth Sea
SpecificS. North Sea
Track chartsRV Cirolana CIR1/81 cruise track — trk2643.html
Measurements 
Biology and fisheries 
Eggs and larvaeQuantity: number of samples = 3
Description: behaviour studies
Demersal fishQuantity: number of hauls = 8
Description: Granton trawls
Demersal fishQuantity: number of hauls = 4
Description: Engel trawls.