Cruise inventory

RV Lough Foyle LF/05/92

Cruise summary report

Cruise Info. 
Ship name (ship code)RV Lough Foyle (74LG)
Cruise identifierLF/05/92
Cruise period1992-03-01 — 1992-03-16
StatusCompleted
Port of departureBelfast, United Kingdom
Port of returnBelfast, United Kingdom
PurposeFisheries
ObjectivesDemersal fish survey
1. Obtain information on spatial patterns of abundance of different size- and age-classes of demersal fish in the northern Irish Sea during spring.
2. Obtain indices of abundance of juvenile fish for use in future stock assessments, and to evaluate the utility of a Spring survey for providing indices of abundance of adult gadoids.
3. Determine the diet compostion and feeding levels of predatory fish, and the spatial overlap of predators and their prey.
4. Map the distribution of cod eggs in the plankton.
5. Obtain information on distribution and relative abundance of cephalopods.
Chief scientistMike Armstrong (Department of Agriculture for Northern Ireland)
Cruise reportRV Lough Foyle LF/05/92 cruise report lf05_92.pdf — access key 'C' (0.26 MB) 
Ocean/sea areas 
GeneralIrish Sea and St. George's Channel
SpecificIrish Sea and North Channel
Track chartsRV Lough Foyle LF/05/92 cruise track — lf05_92track.pdf (00 MB) 
Measurements 
Biology and fisheries 
Demersal fishQuantity: number of hauls = 4
Description: Stations 61, 3, 256 and 64 completed in moderate to rough sea conditions
Demersal fishQuantity: number of hauls = 4
Description: Stations 242, 249, 247 and 246 were all fished. There was a particularly large catch at station 246 which caused difficultyin bringing the codend on board.
Demersal fishQuantity: number of hauls = 4
Description: Stations 245, 243, 102 and 77 were fished. However 102 tow had to be aborted after the net suffered a minor tear.
Demersal fishQuantity: number of hauls = 3
Description: Due to poor weather only three stations 46, 99 and 48 were fished.
Demersal fishQuantity: number of hauls = 4
Description: Stations 258, 257, 259 and 250 were all completed in moderate conditions.
Demersal fishQuantity: number of hauls = 5
Description: They returned to complete stations 51, 96, 216, 50 and 103 in fine conditions.
Demersal fishQuantity: number of hauls = 4
Description: Stations 75, 92, 93 and 94 were all fished.
Demersal fishQuantity: number of hauls = 3
Description: Due to an engine fault and fuel leak only stations 56, 90 and 280 were fished.
Demersal fishQuantity: number of hauls = 5
Description: Stations 79, 78, 89 ,71 and 73 were all fished in good conditions.