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RV Lough Foyle LF/40/98
Cruise summary report
Cruise Info. | |
Ship name (ship code) | RV Lough Foyle (74LG) |
Cruise identifier | LF/40/98 |
Cruise period | 1998-09-28 — 1998-10-13 |
Status | Completed |
Port of departure | Belfast, United Kingdom |
Port of return | Belfast, United Kingdom |
Purpose | Fisheries |
Objectives | Demersal fish survey
1. To obtain information on spatial patterns of abundance of different size- and age-classes of demersal fish in the northern Irish Sea. 2. To obtain abundance indices for the ICES assessments of whiting, haddock, cod and herring. 3. To monitor external parasite loads in whiting and cod, by area. 4. To collect data and samples of sprat and juvenile herring for population/feeding study. 5. To collect samples of flatfish for a feeding study at Port Erin Marine Laboratory. 6. To estimate the biomass of the spawning aggregation of herring on the Douglas Bank using acoustics during one evening. 7. To collect additional data on distribution and abundance of herring and sprat in the eastern Irish Sea, by means of acoustics, to supplement data collected during acoustic survey LF3798. |
Chief scientist | Mike Armstrong (Department of Agriculture for Northern Ireland) |
Cruise report | (0.45 MB) |
Ocean/sea areas | |
General | Irish Sea and St. George's Channel |
Specific | Irish Sea and North Channel |
Track charts | (0.03 MB) |
Moorings, landers, buoys | |
Biology and fisheries | |
Demersal fish | 54° 6' 26" N 5° 33' 30" W — Station 17. Time 08.38. Haul went to 54 8.45N and 5 29.88W. Mean depth 52.0m. |
Demersal fish | 53° 50' 11" N 4° 41' 17" W — Station 77. Time 06.23. Haul went to 53 48.3N and 4 45.2W. Mean depth 84.0m |
Demersal fish | 53° 53' 52" N 5° 53' 13" W — Station 71. Time 15.11. Haul went to 53 53.34N and 5 58.06W. Mean depth 38.0m. |
Demersal fish | 53° 51' 33" N 6° 5' 18" W — Station 73. Time 17.02. Haul went to 53 48.92N and 6 1.9W. Mean depth 29.0m. |
Demersal fish | 53° 42' 11" N 5° 51' 11" W — Station 75. Time 08.13. Haul went to 53 39.26N and 5 50.1W. Mean depth 56.0m. |
Demersal fish | 53° 31' 29" N 5° 50' 5" W — Station 93. Time 11.32. Haul went to 53 28.5N and 5 49.4W. Mean depth 56.0m. |
Demersal fish | 53° 21' 35" N 5° 45' 35" W — Station 94. Time 09.50. Haul went to 53 24.3N and 5 46.8W. Mean depth 76.0m. |
Demersal fish | 54° 23' 5" N 5° 17' 53" W — To assess the abundance of whititng, haddock, cod and herring. Station 83. Time 06.19. Haul went to 54 20.20N and 5 16.80W. Mean depth 86.0m. |
Demersal fish | 54° 20' 20" N 4° 55' 47" W — Station 97. Time 08.53. Haul went to 54 17.68N and 4 53.92W. Mean depth 76.0m. |
Demersal fish | 54° 12' 57" N 4° 56' 20" W — Station 46. Time 10.38. Haul went to 54 10.37N and 4 59.08W. Mean depth 82.0m. |
Demersal fish | 54° 0' 51" N 4° 59' 53" W — Station 48. Time 14.06. Haul went to 53 58.05N and 4 58.14W. Mean depth 55.0m |
Demersal fish | 53° 54' 9" N 4° 59' 26" W — Station 51. Time 15.46. Haul went to 53 51.28N and 4 58.15W. Mean depth 73.0m. |
Demersal fish | 53° 33' 5" N 5° 26' 1" W — Station 103. Time 06.19. Haul went to 53 35.74N and 5 23.44W. Mean depth 84.0m. |
Demersal fish | 53° 40' 44" N 5° 6' 8" W — Station 105. Time 08.44. Haul went to 53 42.77N and 5 2.44W. Mean depth 71.0kg. |
Demersal fish | 53° 49' 39" N 5° 5' 20" W — Station 96. Time 13.32. Haul went to 53 52.66N and 5 6.23W. Mean depth 68.0m. |
Demersal fish | 53° 54' 3" N 5° 14' 37" W — Station 216. Time 15.27. Haul went to 53 56.56N and 5 11.84W. Mean depth 78.0m. |
Demersal fish | 54° 11' 4" N 5° 40' 51" W — Station 100. Time 06.31. Haul went to 54 8.05N and 5 41.08W. Mean depth 26.0m. |
Demersal fish | 54° 10' 12" N 5° 27' 2" W — Station 81. Time 10.43. Haul went to 54 7.18N and 5 27.52W. Mean depth 57.0m. |
Demersal fish | 54° 7' 38" N 5° 18' 48" W — Station 101. Time 13.29. Haul went to 54 4.26N and 5 18.61W. Mean depth 97.0m. |
Demersal fish | 54° 1' 40" N 5° 45' 2" W — Station 70. Time 08.15. Haul went to 53 58.58N and 5 45.11W. Mean depth 43.0m. |
Demersal fish | 53° 58' 58" N 5° 40' 34" W — Station 88. Time 09.58. Haul went to 53 56.12N and 5 42.43W. Mean depth 60.0m. |
Demersal fish | 53° 2' 59" N 5° 42' 5" W — Station 56. Time 12.07. Haul went to 53 29.6N and 5 37.4W. Mean depth 72.0m. |
Demersal fish | 53° 39' 11" N 5° 40' 23" W — Station 90. Time 14.47. Haul went to 53 36.3N and 5 41.8W. Mean depth 80.0m. |
Demersal fish | 54° 0' 47" N 4° 24' 5" W — Station 76. Time 06.22. Haul went to 53 59.4N and 4 28.7W. Mean depth 43.0m. |
Demersal fish | 53° 49' 12" N 4° 10' 29" W — Station 243. Time 09.10. Haul went to 53 46.9N and 4 7.0W. Mean depth 51.0m. |
Demersal fish | 53° 46' 5" N 3° 41' 47" W — Station 249. Time 12.28. Haul went to 53 48.0N and 3 46.1W. Mean depth 38.0m. |
Demersal fish | 54° 4' 23" N 4° 1' 53" W — Station 246. Time 15.32. Haul went to 54 7.2N and 4 3.6W. Mean depth 31.0m. |
Demersal fish | 53° 46' 59" N 4° 40' 47" W — Station 102. Time 08.21. Haul went to 53 44.1N and 4 38.9W. Mean depth 59.0m. |
Demersal fish | 53° 31' 29" N 4° 16' 48" W — Station 245. Time 11.42. Haul went to 53 30.4N and 4 13.2W. Mean depth 50.0m. |
Demersal fish | 53° 50' 17" N 5° 45' 43" W — Station 208. Time 13.07. Haul went to 53 47.29N and 5 46.67W. Mean depth 57.0m. |
Demersal fish | 54° 3' 11" N 3° 37' 12" W — Station 250. Time 06.17. Haul went to 54 5.9N and 3 39.7W. Mean depth 24.0m. |
Demersal fish | 54° 14' 35" N 3° 41' 53" W — Station 259. Time 09.15. Haul went to 54 17.5N and 3 43.3W. Mean depth 36.0m. |
Demersal fish | 54° 18' 59" N 3° 55' 29" W — Station 258. Time 11.59. Haul went to 54 20.4N and 3 56.5W. Mean depth 40.0m. |
Demersal fish | 54° 34' 35" N 3° 46' 12" W — Station 64. Time 15.48. Haul went to 54 37.1N and 3 43.2W. Mean depth 18.0m. |
Demersal fish | 54° 37' 59" N 3° 55' 5" W — Station 256. Time 06.17. Haul went to 54 37.3N and 3 57.5W. Mean depth 29.0. |
Demersal fish | 54° 33' 17" N 4° 32' 6" W — Station 61. Time 11.13. Haul went to 54 33.3N and 4 34.2W. Mean depth 46.0m. |
Demersal fish | 54° 35' 6" N 5° 25' 41" W — Station 86. Time 15.00. Haul went to 54 38.1N and 5 25.7W. Mean depth 39.0m. |
Demersal fish | 54° 42' 59" N 5° 41' 23" W — Station 35. Time 17.04. Haul went to 54 43.6N and 5 36.4W. Mean depth 18.0m. |
Demersal fish | 53° 44' 5" N 5° 22' 7" W — Station 50. Time 11.18. Haul went to 53 46.86N and 5 19.95W. Mean depth 79.0m. |
Demersal fish | 53° 36' 54" N 5° 55' 21" W — Station 92. Time 09.58. Haul went to 53 34.0N and 5 53.7W. Mean depth 42.0m. |
Demersal fish | 54° 23' 5" N 3° 43' 53" W — Station 257. Time 13.54. Haul went to 54 24.5N and 3 45.4W. Mean depth 30.0m. |
Demersal fish | 54° 7' 41" N 5° 1' 14" W — Station 99. Time 12.23. Haul went to 54 5.21N and 5 3.81W. Mean depth 74.0m. |
Demersal fish | 54° 38' 7" N 4° 10' 53" W — Station 63. Time 08.12. Haul went to 54 36.5N and 4 14.9W. Mean depth 55.0m. |
Demersal fish | 53° 43' 35" N 6° 0' 25" W — Station 79. Time 06.28. Haul went to 53 40.86N and 5 58.4W. Mean depth 33.0m. |
Molluscs | 53° 29' 11" N 3° 44' 5" W — Station 246. Time 15.39. Haul went to 53 28.6N and 3 49.3W. Mean depth 30.0m. |