Planned maintenance — 18th January 2018 12:00 to 22nd January 2018 09:00 [more]

Cruise inventory

RV Cirolana CIR10/93

Cruise summary report

Cruise Info. 
Ship name (ship code)RV Cirolana (74CZ)
Cruise identifierCIR10/93
Cruise period1993-10-18 — 1993-11-15
Port of departureLowestoft, United Kingdom
Port of returnLowestoft, United Kingdom
Objectives1. To carry out a groundfish survey of the North Sea using a standard GOV trawl in order to obtain information on:
(a) the distribution and abundance of all fish species.
(b) the length and age distribution of commercially important species.
(c) the distribution of fish in relation to their environment.
(d) the distribution of macrobenthos and anthropogenic debris.
2. To collect surface and bottom temperature and salinity data using reversing bottles.
3. To collect material for fish identification courses.
4. To continously monitor surface temperature and salinity.
5. To carry out trials with the Torry Research Station image analysis equipment for fish identification.
6. To collect samples of herring (Clupea harengus) for the study of Ichthyophonus disease.
7. To collect biological data from angler fish (Lophius spp.), pollack (Pollachius pollachius), tusk (Brosme brosme), catfish (Anarhichus lupus), hake (Merluccius merluccius), poor cod (Trisopterus minutus) and bib (Trisopterus luscus).
8. To provide fish samples for contaminant analysis as part of of the National Monitoring Plan. (A Franklin).
9. To collect fish food.
10. To collect otoliths and gonads from four-bearded rockling (Rhinonemus cimbrius) for histological studies.
11. To carry out beam trawl stations for benthos in the central North Sea. (H Rees)
12. To collect whiting (Merlangius merlangus) tissue samples for the EC Molecular Genetics Programme. (D Thompson).
13. To carry out trials of the electronic measuring boards under field conditions.
Chief scientistDavid Thompson (Ministry of Agriculture, Fisheries and Food Lowestoft Fisheries Laboratory)
Coordinating bodyICES
Cruise reportRV Cirolana CIR10/93 cruise report ci10_93.pdf — access key 'C' (0.14 MB) 
Ocean/sea areas 
GeneralNorth Sea
SpecificNorth Sea
Track chartsRV Cirolana CIR10/93 cruise track — trk3976.html
Physical oceanography 
Surface measurements underway (T,S)Quantity: activity duration in days = 34
Description: continuous
Water bottle stationsQuantity: number of stations = 72
Description: top & bottom
Biology and fisheries 
Demersal fishQuantity: number of hauls = 72
Other biological/fisheries measurementDescription: Benthos survey
Other biological/fisheries measurementQuantity: number of samples = 7
Description: samples for contaminant analysis