RV Lough Foyle LF/05/93

Cruise summary report

Cruise Info. 
Ship name (ship code)RV Lough Foyle (74LG)
Cruise identifierLF/05/93
Cruise period1993-02-15 — 1993-02-18
Port of departureBelfast, United Kingdom
Port of returnBelfast, United Kingdom
ObjectivesNW Irish Sea scallop stocks
1. To survey the scallop, Pectin maximus grounds off the county Down coast and collect the following scallop data:
a) catch per unit effort
b) age composition
c) weight, height and length of individual scallops
d) meat yield.
2. To collect samples of scallop abductor muscle tissue for analysis of heavy metal and organic residue levels.
3. To collect samples of liver and muscle tissue of selected fish species for heavy metal and organic residue analysis.
4. Indentify and quantify macrofauna associated with scallops.
Chief scientistRichard P Briggs (Department of Agriculture for Northern Ireland)
Cruise reportRV Lough Foyle LF/05/93 cruise report lf05_93.pdf (0.21 MB) 
Ocean/sea areas 
GeneralIrish Sea and St. George's Channel
SpecificNW Irish Sea and North Channel
Track chartsRV Lough Foyle LF/05/93 cruise track — lf05_93track.pdf (0.02 MB) 
Biology and fisheries 
MolluscsQuantity: number of measurements = 7
Description: Tows 1-7 were completed in fine weather.
MolluscsQuantity: number of measurements = 10
Description: Tows 16-25 completed in fine weather
MolluscsQuantity: number of measurements = 6
Description: Tows 26-29 were poor, so to check gear performance they towed an area that had been highly populated, tow 4 and 7 were repeated.
MolluscsQuantity: number of measurements = 8
Description: Tows 8-15 yielded no or few scallop catches.