Cruise inventory

RV Lough Foyle LF/16/92

Cruise summary report

Cruise Info. 
Ship name (ship code)RV Lough Foyle (74LG)
Cruise identifierLF/16/92
Cruise period1992-06-21 — 1992-07-04
StatusCompleted
Port of departureBelfast, United Kingdom
Port of returnBelfast, United Kingdom
PurposeFisheries
ObjectivesDemersal fish survey
1. To obtain indices of abundance of juvenile gadoids to facilitate predictions of stock-size and yield of recruited fish in future years.
2. To investigate the diets of predatory fish species in relation to the distribution and relative abundance of their fish prey, with particular emphasis on predation on commercial species.
3. To obtain further information on distribution of different age-classes of fish to facilitate interpretation of data from commercial catches.
4. Obtain information on distribution and relative abundance of cephalopods.
Chief scientistMike Armstrong (Department of Agriculture for Northern Ireland)
Cruise reportRV Lough Foyle LF/16/92 cruise report lf16_92.pdf — access key 'C' (0.29 MB) 
Ocean/sea areas 
GeneralIrish Sea and St. George's Channel
SpecificIrish Sea and North Channel
Track chartsRV Lough Foyle LF/16/92 cruise track — lf16_92track.pdf (00 MB) 
Measurements 
Biology and fisheries 
Demersal fishQuantity: number of measurements = 5
Description: Stations 81, 205, 101, 17 and 87 completed in light northerly winds
Demersal fishQuantity: number of measurements = 5
Description: Stations 100, 70, 80, 71 and 11 were all completed in calm conditions. At station 100 the net was torn and the spare had to be rigged. Station 70 had to be aborted, but then was repeated successfully later.
Demersal fishQuantity: number of measurements = 3
Description: Stations 88, 208, 89, 73, 78 and 79 were all completed in good conditions.
Demersal fishQuantity: number of measurements = 4
Description: Stations 92, 75, 56 and 93 were completed in moderating winds.
Demersal fishQuantity: number of measurements = 5
Description: Stations 91, 95, 103, 50 and 98 were all fished in calm conditions.
Demersal fishQuantity: number of measurements = 3
Description: Stations 94, 77 and 76 were all completed.
Demersal fishQuantity: number of measurements = 3
Description: Stations 87, 46 and 99 were all completed in good conditions.
Demersal fishQuantity: number of measurements = 4
Description: Stations 245, 246, 247 and 249 were fished in winds reaching 25mph.
Demersal fishQuantity: number of measurements = 4
Description: Stations 243, 242, 250 and 259 were fished in 20mph winds.
Demersal fishQuantity: number of measurements = 4
Description: Stations 257, 257, 64 and 256 were all fished in 20mph winds.
Demersal fishQuantity: number of measurements = 3
Description: Stations 83, 86 and 35 were all completed in moderate conditions.
Demersal fishQuantity: number of measurements = 4
Description: Only four stations 96, 51, 48 and 216 were trawlled due to a increase in species diversity.