Cruise inventory

RV Cirolana CIR7/91

Cruise summary report

Cruise Info. 
Ship name (ship code)RV Cirolana (74CZ)
Cruise identifierCIR7/91
Cruise period1991-08-09 — 1991-09-05
Port of departureLowestoft, United Kingdom
Port of returnLowestoft, United Kingdom
Objectives1. To carry out a groundfish survey of the North Sea using a standard Granton Trawl in order to obtain information on:
(a) Distribution and abundance of all fish species.
(b) Length and age distribution of commercially important species.
(c) Distribution of fish in relation to their environment.
(d) Distribution of macrobenthos.
2. To collect material for fish samples for Caesium analysis from a grid of stations in the North Sea.
3. To collect material for fish identification courses.
4. To provide fish samples for contaminant analysis for inclusion in the North Sea Task Force Quality Status Report (A Franklin).
5. To collect samples of heart, gonad or brain from various Gadidae for Dr P Peppin, Department of Fisheries and Oceans, Canada.
6. To collect samples of spawning herring for Dr G Carvalho, University of Wales.
7. To compare catch rates made with alternative trawl rigs used during the survey.
8. To collect stomach samples for the 1991 ICES stomach sampling programme.
Chief scientistJohn G Pope (Ministry of Agriculture, Fisheries and Food Lowestoft Fisheries Laboratory)
ProjectIBTS 3
Coordinating bodyICES
Cruise reportRV Cirolana CIR7/91 cruise report ci7_91.pdf — access key 'C' (0.14 MB) 
Ocean/sea areas 
GeneralNorth Sea
SpecificNorth Sea
Track chartsRV Cirolana CIR7/91 cruise track — trk3709.html
Chemical oceanography 
RadioactivityQuantity: number of samples = 57
Description: Caesium in seawater analysis
Other chemical oceanographic measurementsQuantity: number of profiles = 87
Description: uncalibrated CTD sensors: data not retained
Biology and fisheries 
Demersal fishQuantity: number of hauls = 89
Description: Granton trawl hauls.