RV Lough Foyle LF/05/93
Cruise summary report
|Ship name (ship code)||RV Lough Foyle (74LG)|
|Cruise period||1993-02-15 — 1993-02-18|
|Port of departure||Belfast, United Kingdom|
|Port of return||Belfast, United Kingdom|
|Objectives||NW 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 scientist||Richard P Briggs (Department of Agriculture for Northern Ireland)|
|Cruise report||(0.21 MB)|
|General||Irish Sea and St. George's Channel|
|Specific||NW Irish Sea and North Channel|
|Track charts||(00 MB)|
|Biology and fisheries|
|Molluscs||Quantity: number of measurements = 10|
Description: Tows 16-25 completed in fine weather
|Molluscs||Quantity: number of measurements = 8|
Description: Tows 8-15 yielded no or few scallop catches.
|Molluscs||Quantity: 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.
|Molluscs||Quantity: number of measurements = 7|
Description: Tows 1-7 were completed in fine weather.