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RV Lough Foyle LF/06/93
Cruise summary report
Cruise Info. | |
Ship name (ship code) | RV Lough Foyle (74LG) |
Cruise identifier | LF/06/93 |
Cruise period | 1993-02-22 — 1993-02-25 |
Status | Completed |
Port of departure | Belfast, United Kingdom |
Port of return | Belfast, United Kingdom |
Purpose | Fisheries |
Objectives | Herring pre-recruit acoustic survey
1. To determine the distribution, size composition and biomass of sprat and juvenile herring in the Western Irish Sea, during late February. 2. To compare and contrast the results of day and night surveys. 3. To attempt to identify adult cod during acoustic surveys. 4. To test the new design of calibration rig. 5. To further improve acoustic survey methods on Lough Foyle. |
Chief scientist | Mark Dickey-Collas (Department of Agriculture for Northern Ireland) |
Cruise report | (0.14 MB) |
Ocean/sea areas | |
General | Irish Sea and St. George's Channel |
Specific | Western Irish Sea |
Track charts | (0.02 MB) |
Measurements | |
Biology and fisheries | |
Zooplankton | Quantity: number of hauls = 1 Description: Trawl duration 16mins. Trawl went to 53 50.27N and 06 05.24. |
Pelagic fish | Quantity: number of hauls = 1 Description: Trawl duration 56min. Trawl went to 53 35.00N and 05 44.20W. |
Demersal fish | Quantity: number of hauls = 1 Description: Trawl duration 60mins. Trawl went to 53 34.50N and 05 08.29W. |
Demersal fish | Quantity: number of hauls = 1 Description: Trawl duration 33. Trawl went to 53 34.40N and 05 20.06W. |
Demersal fish | Quantity: number of hauls = 1 Description: Trawl duration 45mins. Trawl went to 53 37.75N and 05 23.92. |
Demersal fish | Quantity: number of hauls = 1 Description: Trawl duration 50mins. Trawl went to 54 05.32N and 05 24.49W |
Demersal fish | Quantity: number of hauls = 1 Description: Trawl duration 15mins. Trawl went to 53 50.01N and 05 35.97W |
Demersal fish | Quantity: number of hauls = 1 Description: Trawl duration 42mins. Trawl went to 53 50.12N and 04 48.03W. The trawl turned back on itself. |
Demersal fish | Quantity: number of hauls = 1 Description: Trawl duration 30mins. Trawl went to 53 49.50N and 05 46.15. |