Cruise inventory

RV Lough Foyle LF/45/98

Cruise summary report

Cruise Info. 
Ship name (ship code)RV Lough Foyle (74LG)
Cruise identifierLF/45/98
Cruise period1998-11-01 — 1998-11-05
StatusCompleted
Port of departureBelfast, United Kingdom
Port of returnBelfast, United Kingdom
PurposeResearch
ObjectivesLarval herring survey
1. To survey the distribution and abundance of herring larvae from the Manx and Mourne Irish Sea stocks, to produce a larval production estimate (index) and provide data on larval drift.
2. To investigate the abundance of euphausiids and other macro zooplankton in the Irish Sea.
3. To collect samples for UCD projects on larval herring genetics and otolith microstructure.
Chief scientistMark Dickey-Collas (Department of Agriculture for Northern Ireland)
Cruise reportRV Lough Foyle LF/45/98 cruise report lf45_98.pdf — access key 'C' (0.15 MB) 
Ocean/sea areas 
GeneralIrish Sea and St. George's Channel
SpecificNorthern Irish Sea and North Channel
Track chartsRV Lough Foyle LF/45/98 cruise track — lf45_98track.pdf (0.02 MB) 
Measurements 
Biology and fisheries 
ZooplanktonQuantity: number of stations = 3
Description: 3 stations were sampled in the eastern Irish Sea.
ZooplanktonQuantity: number of stations = 12
Description: 12 stations were sampled in worsening weather conditions.
ZooplanktonQuantity: number of stations = 11
Description: Survey the distribution and abundance of herring larvae and macro zooplankton. Collect samples for UCD projects 11 stations were sampled in the Irish Sea.
ZooplanktonQuantity: number of stations = 3
Description: 3 stations near the Mournes were sampled in worsening sea conditions.
ZooplanktonQuantity: number of stations = 15
Description: 15 stations were sampled with an alternate plankton sampler.
Eggs and larvaeQuantity: number of stations = 12
Description: 12 stations were sampled in worsening weather conditions.
Eggs and larvaeQuantity: number of stations = 11
Description: Survey the distribution and abundance of herring larvae and macro zooplankton. Collect samples for UCD projects 11 stations were sampled in the Irish Sea.
Eggs and larvaeQuantity: number of stations = 15
Description: 15 stations were sampled with an alternate plankton sampler.
Eggs and larvaeQuantity: number of stations = 3
Description: 3 stations near the Mournes were sampled in worsening sea conditions.
Eggs and larvaeQuantity: number of stations = 3
Description: 3 stations were sampled in the eastern Irish Sea.
Moorings, landers, buoys 
Biology and fisheries 
Zooplankton54° 24' 55" N  3° 44' 54" W — The sampler was lost due to a winch cable failure.
Eggs and larvae54° 24' 55" N  3° 44' 54" W — The sampler was lost due to a winch cable failure.