Cruise inventory

RV Cirolana CIR3/74

Cruise summary report

Cruise Info. 
Ship name (ship code)RV Cirolana (74CZ)
Cruise identifierCIR3/74
Cruise period1974-03-21 — 1974-04-17
Port of departureGrimsby, United Kingdom
Port of returnGrimsby, United Kingdom
Objectives1. To carry out an acoustic survey of blue whiting in the area Porcupine Bank to St Kilda, including Rockall.
2. To compare results for about a day on the same course in a small area with RVGO SARS and RV SCOTIA.
3. To collect material on age and length of blue whiting, maturation and fecundity.
4. To fish intensively for blue whiting for a period of 3 to 4 days.
5. To use the Continuous Plankton Recorder and Longhurst Hardy Plankton Recorder (LHPR) where possible.
6. To work with the MT ST BENEDICT on catching blue whiting.
Chief scientistDavid H Cushing (Ministry of Agriculture, Fisheries and Food Lowestoft Fisheries Laboratory)
Cruise reportRV Cirolana CIR3/74 cruise report ci03_74.pdf — access key 'C' (0.45 MB) 
Ocean/sea areas 
GeneralNorth East Atlantic Ocean (limit 40W)
Track chartsRV Cirolana CIR3/74 cruise track — trk1371.html RV Cirolana CIR3/74 cruise track — trk1371a.html
Physical oceanography 
Surface measurements underway (T,S)Quantity: track kilometres = 5930
Description: T only
Biology and fisheries 
PhytoplanktonQuantity: activity duration in days = 21
Description: 2400nm longhurst-hardy plankton recorder
ZooplanktonQuantity: activity duration in days = 21
Description: longhurst-hardy plankton recorder
Eggs and larvaeQuantity: activity duration in days = 21
Description: longhurst-hardy plankton recorder population structures
Acoustic reflection on marine organisms.Quantity: track kilometres = 6482
Other biological/fisheries measurementQuantity: track kilometres = 6482
Description: deep scattering layers
Occasional standard measurements