Cruise inventory

RV Cirolana CIR7/89

Cruise summary report

Cruise Info. 
Ship name (ship code)RV Cirolana (74CZ)
Cruise identifierCIR7/89
Cruise period1989-08-11 — 1989-09-12
Port of departureLowestoft, United Kingdom
Port of returnWallsend, United Kingdom
Objectives1. To carry out a groundfish survey of the North Sea using a standard Graton tralw in order to obtain information on:
(a) Distribution and abundance of all fish species
(b) Length and age distribution of commercially important species
© Distribution of fish in relation to their environment
(d) Distribution of macrobenthos
(e) Prevalence of disease in dab.
2. To collect fish and water samples for Caesium analysis from a grid of stations in the North Sea.
3. To carry out a survey of Caesium in sea water in the Skagerak.
4. To collect a sample of 30 haddock for meristies, enzyme analysis and mitochondrial DNA analysis (K Zwanenburg, Canada).
5. To collect samples of scad blood and muscle tissue from south of 56ºN and north of 58ºN (Dr J Casey).
6. To collect five sediment samples from an area close to the Ling Bank (Dr H Rees).
7. To evaluate the use of the Simrad ES400 colour sounder and printer as a tool in the investigation of the relationship between scattering layers and groundfish abundance.
8. To collect fish samples for AEP2 contaminatns studies (A Franklin).
9. To collect fish for fish identification courses (A Watson).
10. To collect small gadoids/sprats of fish food (Dr P Bromley).
Chief scientistW G Parnell (Ministry of Agriculture, Fisheries and Food Lowestoft Fisheries Laboratory)
Cruise reportRV Cirolana CIR7/89 cruise report ci7_89.pdf — access key 'C' (0.10 MB) 
Ocean/sea areas 
GeneralNorth Sea
SpecificSkagerrak/ North Sea
Track chartsRV Cirolana CIR7/89 cruise track — trk3506.html
Physical oceanography 
Water bottle stationsQuantity: number of stations = 16
Description: surface S only
Chemical oceanography 
RadioactivityQuantity: number of samples = 65
Description: Caesium-137
Biology and fisheries 
Demersal fishQuantity: number of hauls = 91
Description: Granton trawl hauls.