RV Cirolana CIR5/81

Cruise summary report

Cruise Info. 
Ship name (ship code)RV Cirolana (74CZ)
Cruise identifierCIR5/81
Cruise period1981-05-06 — 1981-05-26
Port of departureGrimsby, United Kingdom
Port of returnGrimsby, United Kingdom
Objectives1. To collect plankton samples in the Celtic Sea with a 20" unencased TTN.
2. To collect plankton samples in the Celtic Sea with the IMER Undulating Oceanographic Recorder (UOR).
3. To trawl for mackerel, scad and blue whiting in the Celtic Sea.
4. To catch post larval mackerel with a neuston net.
5. To trawl for spawning sprats in Lyme Bay, fertilise eggs and rear to hatching.
Chief scientistStephen J Lockwood (Ministry of Agriculture, Fisheries and Food Lowestoft Fisheries Laboratory)
Cruise reportRV Cirolana CIR5/81 cruise report ci5_81.pdf (0.20 MB) 
Ocean/sea areas 
GeneralBristol Channel
Bay of Biscay
North East Atlantic Ocean (limit 40W)
SpecificCeltic Sea/Lyme Bay
Track chartsRV Cirolana CIR5/81 cruise track — trk2647.html
Physical oceanography 
Surface measurements underway (T,S)Description: T only
Biology and fisheries 
PhytoplanktonQuantity: number of samples = 93
ZooplanktonQuantity: number of samples = 93
Pelagic fishQuantity: number of hauls = 10
Description: hauls made with Portuguese High Headline trawl.