RV Cirolana CIR3/71

Cruise summary report

Cruise Info. 
Ship name (ship code)RV Cirolana (74CZ)
Cruise identifierCIR3/71
Cruise period1971-04-08 — 1971-04-26
Port of departureGrimsby, United Kingdom
Port of returnGrimsby, United Kingdom
Objectives1. To use the ARL Scanner aboard RV CLIONE to investigate reactions of cod
to CIROLANA's trawl.
2. To compare the fishing shapes of Granton and modified French trawls.
3. To collect live halibut and testis material for Dr Purdom.
4. To collect cod blood for Dr Jamieson.
5. To collect length distributions and otoliths of plaice for Mr Bannister,
6. To collect deep frozen small gadoids (less than 20 cm: food stock for
turbot) for Dr A Jones.
7. To collect a sample of mature females of both cod and haddock for fertility
studies for Mr Blacker.
Chief scientistJ G K Harris (Ministry of Agriculture, Fisheries and Food Lowestoft Fisheries Laboratory)
Cruise reportRV Cirolana CIR3/71 cruise report ci03_71.pdf (0.22 MB) 
Ocean/sea areas 
GeneralNorth East Atlantic Ocean (limit 40W)
Physical oceanography 
Water bottle stationsQuantity: number of stations = 5
Description: top & bottom only 1 with S only
Subsurface temperature and salinity measurementsQuantity: number of stations = 5
Biology and fisheries 
Other biological/fisheries measurementDescription: physiological studies
Occasional standard measurements
Other meteorological measurementsDescription: sea and swell