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

Cruise inventory

RV Cirolana CIR4B/88

Cruise summary report

Cruise Info. 
Ship name (ship code)RV Cirolana (74CZ)
Cruise identifierCIR4B/88
Cruise period1988-04-22 — 1988-05-05
Port of departureHolyhead, United Kingdom
Port of returnLowestoft, United Kingdom
Objectives1. To determine the rates and processes of primary and secondary production in different regions of the Irish Sea.
2. To assess the vertical and horizontal availability of food for fish larvae in relation to hydrographic conditions.
3. To determine the nutritional status of fish larvae in relation to feeding conditions.
4. To determine particle size distribution in relation to hydrography and larval feeding.
5. To construct a C/N budget of the production transformation and fate of biogenic particulates.
6. To study predation on the larvae of fish.
Chief scientistJohn H Nichols (Ministry of Agriculture, Fisheries and Food Lowestoft Fisheries Laboratory)
Cruise reportRV Cirolana CIR4B/88 cruise report ci4_88.pdf — access key 'C' (0.21 MB) 
Ocean/sea areas 
GeneralIrish Sea and St. George's Channel
SpecificIrish Sea
Track chartsRV Cirolana CIR4B/88 cruise track — ci4_88track.pdf (0.03 MB) 
Physical oceanography 
Surface measurements underway (T,S)
CTD stations
Optics (eg underwater light levels)Quantity: number of measurements = 165
Description: incident light measurements
Chemical oceanography 
Biology and fisheries 
Phytoplankton pigs (eg chlorophyll, fluorescence)Description: chlorophyll 'a'
Eggs and larvaeQuantity: number of samples = 56
Other biological/fisheries measurementQuantity: number of samples = 10
Description: particle size count