RV Lough Foyle LF/25/96

Cruise summary report

Cruise Info. 
Ship name (ship code)RV Lough Foyle (74LG)
Cruise identifierLF/25/96
Cruise period1996-06-16 — 1996-06-20
Port of departureBelfast, United Kingdom
Port of returnBelfast, United Kingdom
ObjectivesNW Irish Sea Nephrops stocks
1. To trawl selected stations sampled during earlier cruises and perform qualitative and quantitative analysis of catches.
2. To assess the incidence of the dinoflagellate parasite Hematodinium in nephrops catches.
3. To film substrate transects over the Nephrops grounds using underwater video and sledge.
4. To carry out a survey of the Nephrops grounds using the ground discrimination system RoxAnn.
Chief scientistRichard P Briggs (Department of Agriculture for Northern Ireland)
Cruise reportRV Lough Foyle LF/25/96 cruise report lf25_96.pdf (0.20 MB) 
Ocean/sea areas 
GeneralIrish Sea and St. George's Channel
SpecificNW Irish Sea
Track chartsRV Lough Foyle LF/25/96 cruise track — lf25_96track.pdf (0.02 MB) 
Biology and fisheries 
Sediment trapsQuantity: number of hauls = 3
Description: Hauls and sediment samples were taken at stations 2, 109 and 17.
MolluscsQuantity: number of hauls = 5
Description: Stations 103, 102 and 101/10 were all surveyed. Station 102 was also filmed.
MolluscsQuantity: number of measurements = 4
Description: At stations 207, 8 and 105 camera tows were performed. Station 8 was also fished.
MolluscsQuantity: number of hauls = 6
Description: Trawls took place 105, 104, 106. At stations 104, 106 and 103 camera tows were taken Nephrops and their burrows were observed on the camera tow.
MolluscsQuantity: number of images = 1
Description: To look at Nephrops stocks using underwater video and RoxAnn surveys. At stations 2 and 17 films of the bottom substrate were obtained.
MolluscsQuantity: number of hauls = 3
Description: Hauls and sediment samples were taken at stations 2, 109 and 17.