RV Cirolana CIR4A/89

Cruise summary report

Cruise Info. 
Ship name (ship code)RV Cirolana (74CZ)
Cruise identifierCIR4A/89
Cruise period1989-04-14 — 1989-04-28
Port of departureLowestoft, United Kingdom
Port of returnWorkington, United Kingdom
Objectives1. To determine the rates and processes of primary and secondary production in different hydrographic regions of the Irish Sea.
2. To construct a C/N budget of the production, transformation and fate of biogenic particulates.
3. To assess the vertical and horizontal availability of food for fish larvae and particle distribution in relation to hyrdrographic conditions.
4. To determine the nutritional status of fish larvae in relation to feeding conditions.
Chief scientistJohn H Nichols (Ministry of Agriculture, Fisheries and Food Lowestoft Fisheries Laboratory)
Cruise reportRV Cirolana CIR4A/89 cruise report ci4_89.pdf (0.40 MB) 
Ocean/sea areas 
GeneralIrish Sea and St. George's Channel
SpecificIrish Sea
Track chartsRV Cirolana CIR4A/89 cruise track — trk3502a.html RV Cirolana CIR4A/89 cruise track — trk3502b.html RV Cirolana CIR4A/89 cruise track — trk3502c.html RV Cirolana CIR4A/89 cruise track — trk3502d.html RV Cirolana CIR4A/89 cruise track — trk3502e.html RV Cirolana CIR4A/89 cruise track — trk3502f.html
Physical oceanography 
Surface measurements underway (T,S)
CTD stationsQuantity: number of stations = 41
Description: calibration samples surface S only
Biology and fisheries 
Phytoplankton pigs (eg chlorophyll, fluorescence)Description: Continuous chlorophyll
PhytoplanktonQuantity: number of samples = 86
ZooplanktonQuantity: number of samples = 86