RV Lough Foyle LF/20/94

Cruise summary report

Cruise Info. 
Ship name (ship code)RV Lough Foyle (74LG)
Cruise identifierLF/20/94
Cruise period1994-08-07 — 1994-08-12
Port of departureBelfast, United Kingdom
Port of returnBelfast, United Kingdom
ObjectivesIchthyoplankton survey of the Irish Sea
1. To investigate the abundance and distribution of zooplankton of the western Irish Sea.
2. To investigate the distribution of pelagic juvenile fish and macrozooplankton in the western Irish Sea.
3. To obtain samples of juvenile whiting and their food stuff for lipid analysis.
4. To collect specimens for N and C analysis of Irish Sea fauna.
5. To sample the plankton at four stations for a Queens studentship.
6. To collect water samples for nutrient and chlorophyll analysis in different hydrographic regions of the Irish Sea.
7. To investigate microzooplankton grazing and copepod production in the mixed, stratified and coastal waters of the western Irish Sea.
8. To test a new type of gasket on the nose cone of the high speed plankton sampler.
Chief scientistMark Dickey-Collas (Department of Agriculture for Northern Ireland)
Cruise reportRV Lough Foyle LF/20/94 cruise report lf20_94.pdf (0.22 MB) 
Ocean/sea areas 
GeneralIrish Sea and St. George's Channel
SpecificWestern Irish Sea and North Channel
Track chartsRV Lough Foyle LF/20/94 cruise track — lf20_94track.pdf (0.03 MB) 
Chemical oceanography 
PhosphateQuantity: number of stations = 13
NitrateQuantity: number of stations = 13
NitriteQuantity: number of stations = 13
SilicateQuantity: number of stations = 13
Biology and fisheries 
Phytoplankton pigs (eg chlorophyll, fluorescence)Quantity: number of stations = 13
ZooplanktonQuantity: activity duration in days = 4
Description: Zooplankton hauls.
Demersal fishQuantity: number of specimens = 106
Description: Whiting frozen for lipid analysis.