Cruise inventory

RV Lough Foyle LF/34/97

Cruise summary report

Cruise Info. 
Ship name (ship code)RV Lough Foyle (74LG)
Cruise identifierLF/34/97
Cruise period1997-08-17 — 1997-08-27
StatusCompleted
Port of departureBelfast, United Kingdom
Port of returnBelfast, United Kingdom
PurposeResearch
ObjectivesNephrops and bycatch
1. To film the seabed at the established stations sampled during previous cruises.
2. To take beam trawl samples of epifauna at each station.
3. To trawl each station using the standard Nephrops gear used in previous cruises and perform qualitative and quantitative analysis of catches.
4. To collect ovigerous and mature (Gonad stage 3-4) female Nephrops for invitro studies at C-mar, Portaferry.
5. To assess the prevalence of the dinoflagellate parasite Hematodinium in Nephrops catches.
6. To collect quid specimens for a UCC based genetics project.
Chief scientistRichard P Briggs (Department of Agriculture for Northern Ireland)
Cruise reportRV Lough Foyle LF/34/97 cruise report lf34_97.pdf — access key 'C' (0.25 MB) 
Ocean/sea areas 
GeneralIrish Sea and St. George's Channel
SpecificWestern Irish Sea
Track chartsRV Lough Foyle LF/34/97 cruise track — lf34_97track.pdf (00 MB) 
Measurements 
Biology and fisheries 
ZooplanktonQuantity: number of stations = 6
Description: Stations 107, 103, 104, 105, 106 and 200 were all sampled and filmed.
ZooplanktonQuantity: number of hauls = 5
Description: Stations 108, 102, 7, 8 and 207 were trawled and a camera deployed.
ZooplanktonQuantity: number of hauls = 5
Description: Stations 208, 209, 109, 10, 101 were all trawled and a camera deployed. Howevere stations 208, 209 and 109 had high amounts of mus caught up withi the catch.
ZooplanktonQuantity: number of images = 6
Description: To film areas of the seabed, to collect mature Nephrops and squid specimens. At stations 1, 2, 35, 17, 30 and 20 the sledge and underwater camera was deployed.
Demersal fishQuantity: number of stations = 8
Description: Stations 208, 209, 109, 30, 17, 35, 2 and 1 were fished in one day.
Demersal fishQuantity: number of stations = 4
Description: Stations 105, 104, 103 and 102 were fished and RoxAnn survey grid was worked on.
Demersal fishQuantity: number of stations = 2
Description: Stations 200 and 106 were fished. With stations 200 providing a large catch of female Nephrops.
Demersal fishQuantity: number of stations = 7
Description: Stations 107, 207, 8, 7, 101, 10 and 20 were fished.
CrustaceansQuantity: number of stations = 2
Description: Stations 200 and 106 were fished. With stations 200 providing a large catch of female Nephrops.