RV Lough Foyle LF/07/99
Cruise summary report
| Cruise Info. | |
| Ship name (ship code) | RV Lough Foyle (74LG) |
| Cruise identifier | LF/07/99 |
| Cruise period | 1999-02-15 — 1999-02-18 |
| Status | Completed |
| Port of departure | Belfast, United Kingdom |
| Port of return | Belfast, United Kingdom |
| Purpose | Research |
| Objectives | NW Irish Sea scallop stocks
1. To survey the scallop, Pecten maximus grounds off the County Down coast and collect the following scallop data: a) catch per unit effort b) scallop age composition c) weight, height and length of individual scallops d) abductor muscle and gonad weights e) scallop shell samples were retained for morphometric study. 2. Collect samples of scallop abductor muscle for future metal analysis. 3. Identify and quantify macrofauna associated with scallops. |
| Chief scientist | Richard P Briggs (Department of Agriculture for Northern Ireland) |
| Cruise report |  (0.20 MB) |
| Ocean/sea areas | |
| General | Irish Sea and St. George's Channel |
| Specific | NW Irish Sea and North Channel |
| Measurements | |
| Biology and fisheries | |
| Zoobenthos | Quantity: number of stations = 32 Description: Benthic fauna associated with scallops were noted from all tows. 9 species of Echinodermata, 6 species of Crustacea, 4 species of Mullusca, and 5 species of Pisces were sampled. |
| Molluscs | Quantity: number of stations = 32 Description: Shells were retained for future morphometric analysis. Scallops were weighed and measured (shell length and height). Meat yield was determined from abductor muscle and gonad weight. Shells were aged by examination of growth bands on the flat shell and by microscopic examination of hinge ligament scars. |
| Moorings, landers, buoys | |
| Geology and geophysics | |
| Dredge | 54° 42' 11" N 5° 36' 23" W — Tow 8, Area IV, Mean depth 17m |
| Dredge | 54° 36' 47" N 5° 25' 41" W — Tow 24, Area II, Mean depth 43m |
| Dredge | 54° 28' 11" N 5° 22' 0" W — Tow 11, Area 1, Mean depth 45.5m |
| Dredge | 54° 28' 41" N 5° 22' 35" W — Tow 12, Area 1, Mean depth 42m |
| Dredge | 54° 28' 30" N 5° 23' 35" W — Tow 13, Area I, Mean depth 33m |
| Dredge | 54° 20' 53" N 5° 26' 11" W — Tow 15, Area I, Mean depth 24.5m |
| Dredge | 54° 20' 35" N 5° 26' 47" W — Tow 16, Area I, Mean depth 25m |
| Dredge | 54° 22' 5" N 5° 22' 17" W — Tow 18, Area I, Mean depth 39m |
| Dredge | 54° 20' 29" N 5° 23' 47" W — Tow 19, Area 1, Mean depth 35m |
| Dredge | 54° 33' 5" N 5° 24' 0" W — Tow 21, Area II, Mean depth 47m |
| Dredge | 54° 34' 35" N 5° 24' 5" W — Tow 22, Area II, Mean depth 51m |
| Dredge | 54° 35' 11" N 5° 26' 47" W — Tow 25, Area II, Mean depth 34m |
| Dredge | 54° 36' 54" N 5° 26' 29" W — Tow 27, Area II, Mean depth 40m |
| Dredge | 54° 36' 5" N 5° 28' 11" W — Tow 28, Area II, Mean depth 35m |
| Dredge | 54° 36' 17" N 5° 27' 29" W — Tow 29, Area II, Mean depth 37m |
| Dredge | 54° 44' 29" N 5° 35' 11" W — Tow 30, Area III, Mean depth 35.5m |
| Dredge | 54° 45' 18" N 5° 34' 12" W — Tow 31, Area III, Mean depth 57m |
| Dredge | 54° 44' 53" N 5° 32' 47" W — Tow 32, Area III, Mean depth 58m |
| Dredge | 54° 46' 35" N 5° 40' 11" W — Tow 1, Area V, Mean depth 25m |
| Dredge | 54° 48' 29" N 5° 40' 41" W — Tow 2, Area V, Mean depth 35.5m |
| Dredge | 54° 46' 29" N 5° 39' 41" W — Tow 3, Area V, Mean depth 31.5m |
| Dredge | 54° 47' 11" N 5° 40' 17" W — Tow 4, Area V, Mean depth 39m |
| Dredge | 54° 43' 30" N 5° 40' 35" W — Tow 5, Area IV, Mean depth 13m |
| Dredge | 54° 43' 11" N 5° 40' 47" W — Tow 6, Area IV, Mean depth 10.5m |
| Dredge | 54° 42' 23" N 5° 39' 23" W — Tow 7, Area IV, Mean depth 9.5m |
| Dredge | 54° 42' 29" N 5° 36' 11" W — Tow 10, Area IV, Mean Depth 21.5m |
| Dredge | 54° 20' 41" N 5° 26' 29" W — Tow 14, Area I, Mean depth 28.5m |
| Dredge | 54° 23' 24" N 5° 23' 35" W — Tow 17, Area I, Mean depth 36m |
| Dredge | 54° 33' 17" N 5° 22' 59" W — Tow 20, Area II, Mean depth 58m |
| Dredge | 54° 34' 23" N 5° 25' 53" W — Tow 23, Area II, Mean depth 39.5m |
| Dredge | 54° 35' 47" N 5° 26' 5" W — Tow 26, Area II, Mean depth 41.5m |
| Dredge | 54° 42' 23" N 5° 35' 53" W — Tow 9, Area IV, Mean depth 19.5 |
