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RV Cirolana CIR11B/75

Cruise summary report

Cruise Info. 
Ship name (ship code)RV Cirolana (74CZ)
Cruise identifierCIR11B/75
Cruise period1975-12-10 — 1975-12-16
StatusCompleted
Port of departureGreat Yarmouth, United Kingdom
Port of returnGrimsby, United Kingdom
PurposeResearch
Objectives1. To continue studies on plaice migration, by collecting data on the relation between the catch of plaice taken by a midwater trawl and tidal direction; and to determine areas where the midwater catches of plaice are greatest on the south-going tide.
2. To service the three current meter stations JONSIS 1, JONSIS 2, and
TYNE.
Chief scientistF R Harden-Jones (Ministry of Agriculture, Fisheries and Food Lowestoft Fisheries Laboratory)
Cruise reportRV Cirolana CIR11B/75 cruise report ci11b_75.pdf (0.14 MB) 
Ocean/sea areas 
GeneralNorth Sea
Measurements 
Physical oceanography 
Current metersQuantity: number of deployments = 3
Description: current meter stations checked and missing current meters replaced
Biology and fisheries 
Pelagic fishQuantity: number of hauls = 10
Description: 5 pairs of Engel trawl hauls including: herring, haddock, mackerel, anchovy, scad, sprat and spurdogs
Demersal fishQuantity: number of hauls = 10
Description: 5 pairs of Engel trawl hauls including: plaice, cod, dabs, lumpfish and silver eel