RV Cirolana CIR1/85

Cruise summary report

Cruise Info. 
Ship name (ship code)RV Cirolana (74CZ)
Cruise identifierCIR1/85
Cruise period1985-01-05 — 1985-01-22
Port of departureLowestoft, United Kingdom
Port of returnLowestoft, United Kingdom
Objectives1. To participate in the ICES coordinated herring and larval survey of regions IVC and VIID during the two sampling periods 1-15 January and 16-31 January.
2. To sample herring larvae and their potential food organisms in a study of their diet.
3. To sample potential herring larvae predators and to examine their gut contents on board.
4. To sample herring larvae, other zooplankters and phtoplankton for lipid analysis, with emphasis on polyunsaturated fatty acids.
5. To take water samples using the ships pump and analyse on board for dissolved sulphur gases using gas chromatography.
6. To monitor sub-surface water continuously for temperature, salinity and chlorophyll 'a' fluorescence.
7. To run the MS44 echo sounder continuously throughout the plankton survey and to fish for herring on suitable traces using the Engel trawl
Chief scientistJohn H Nichols (Ministry of Agriculture, Fisheries and Food Lowestoft Fisheries Laboratory)
Cruise reportRV Cirolana CIR1/85 cruise report ci1_85.pdf (0.29 MB) 
Ocean/sea areas 
GeneralNorth Sea
SpecificS. North Sea/ E. English Channel
Track chartsRV Cirolana CIR1/85 cruise track — trk3113.html
Physical oceanography 
Water bottle stationsQuantity: number of stations = 6
CTD stationsQuantity: number of stations = 202
Biology and fisheries 
PhytoplanktonQuantity: number of samples = 219
ZooplanktonQuantity: number of samples = 219
Demersal fishQuantity: number of hauls = 15