Hofstede, Remment ter

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Cruise report IBTS 2007 Q1 Tridens weeks 5-9 (short version, in English) Remment ter Hofstede   Project:  WOT Surveys IBTS Projectnummer: 439.12110.01 Period:  weeks 5-9  2007   Mission: Coordination of the ICES International Bottom Trawl Survey (IBTS). Estimation of recruitment indices and tuning data for commercial roundfish species. The recruitment indices are used for the assessment of fish stocks by several working groups from ICES (International Council for the Exploration of the Sea) (e.g. Herring Assessment Working Group (HAWG), Working Group on the Assessment of Demersal Stocks in the North Sea and Skagerrak (WGNSSK) and the ICES Advisory Committee on Fishery Management (ACFM). The data on the spatial distribution of species are used by multiple working groups dealing with ecosystem studies and in contract research.   Harbours: Departure from Date Time Arrival in Date Time Scheveningen 29 January 11:00 Scheveningen 2 February 8:00 Scheveningen 5 February 10:30 Aberdeen 9 February 22:00 Aberdeen 12 February 20:00 Scheveningen 15 February 8:30 Scheveningen 19 February 11:00 Scheveningen 24 February 8:30 Scheveningen 26 February 11:00 Scheveningen 2 March 8:30  Scientific crew:  week 5: R. ter Hofstede (cruiseleader), C. Bakker, R. van Hal, B. van Os-Koomen, S. Rijs. Week 6 en 7: N. Daan (cruiseleader), K. Groeneveld, P. Groot, B. van Os-Koomen, M. de Vries. week 8: R. ter Hofstede (cruiseleader), I. de Boois, E. van Helmond, S. Rijs, S. Verver. week 9:  H. Heessen (cruiseleader), H. Bothe, A. Dijkman, S. Rijs, J. van Willigen.  Summary:  - Number of stations: o 63 GOV stations, of which 60 valid (planning 54; 111%).  o 80 MIK stations (planning 108; 74%).  - Number of otolith samples:  o Herring Clupea harengus   358  o Sprat Sprattus sprattus  330 o Cod  Gadus morhua   170 o Haddock Melanogrammus aeglefinus 364 o Whiting Merlangius merlangius  793 o Norway pout Trisopterus esmarki  50  o Mullet Mullus surmuletus  6 o Lemon sole Microstomus kitt   29 o Plaice Pleuronectes platessa  238 o Halibut Hippoglossus hippoglossus 1  Stations  Figure 1: GOV-stations Tridens IBTS 2007 Q1. Numbers refer to fishing day (Table 1).                            Figure 2: MIK-stations Tridens IBTS 2007 Q1. Numbers refer to fishing day (Table 2).         Table 1: GOV-stations Tridens IBTS 2007 Q1.  GOV valid ship year month day time fishing ICES latitude longitude depth total catchstation y/n day rectangle (degr-dec) (degr-dec) (m) (kg)3400001 y Tridens II 2007 1 29 1309 1 34F4 52.7680 4.4168 21 350003400002 y Tridens II 2007 1 29 1540 1 35F4 53.1089 4.1759 29 700003400003 y Tridens II 2007 1 30 723 2 36F6 53.6749 6.1393 28 525003400004 y Tridens II 2007 1 30 1031 2 36F7 53.8693 7.0847 24 175003400005 y Tridens II 2007 1 30 1315 2 37F7 54.2651 7.4136 40 700003400006 y Tridens II 2007 1 30 1532 2 37F8 54.3387 8.0090 17 350003400007 y Tridens II 2007 1 31 721 3 37F6 54.2473 6.1822 38 175003400008 y Tridens II 2007 1 31 1025 3 37F5 54.1577 5.4626 41 525003400009 y Tridens II 2007 1 31 1252 3 37F4 54.1167 4.8667 43 350003400010 y Tridens II 2007 1 31 1545 3 36F5 53.9468 5.5879 34 175003400011 y Tridens II 2007 2 1 728 4 36F4 53.8729 4.3690 42 525003400012 y Tridens II 2007 2 1 937 4 36F3 53.8895 3.8216 38 1925003400013 y Tridens II 2007 2 1 1237 4 37F4 54.1987 4.4541 48 1575003400014 y Tridens II 2007 2 1 1520 4 37F5 54.2646 5.2375 42 175003400015 y Tridens II 2007 2 5 1235 5 33F4 52.4145 4.0343 21 1400003400016 y Tridens II 2007 2 5 1537 5 34F3 52.7485 3.5062 26 525003400017 y Tridens II 2007 2 6 747 6 39F2 55.2672 2.5522 37 175003400018 y Tridens II 2007 2 6 1010 6 40F2 55.6045 2.7753 58 350003400019 y Tridens II 2007 2 6 1237 6 40F3 55.7745 3.3283 56 175003400020 y Tridens II 2007 2 6 1531 6 40F4 55.8907 4.2627 51 350003400021 y Tridens II 2007 2 7 730 7 41F4 56.2178 4.1713 68 2800003400022 y Tridens II 2007 2 7 1002 7 41F3 56.1262 3.4675 71 3850003400023 y Tridens II 2007 2 7 1236 7 41F2 56.1248 2.7642 78 3150003400024 y Tridens II 2007 2 7 1537 7 41F1 56.1147 1.7987 94 1400003400025 y Tridens II 2007 2 8 735 8 41E9 56.3247 -0.4800 70 700003400026 y Tridens II 2007 2 8 1010 8 42E9 56.7163 -0.2438 82 2450003400027 y Tridens II 2007 2 8 1239 8 43E9 57.1098 -0.3183 84 8750003400028 y Tridens II 2007 2 8 1530 8 43E8 57.1913 -1.1183 71 1750003400029 y Tridens II 2007 2 9 736 9 42E8 56.7582 -1.5585 57 700003400030 y Tridens II 2007 2 9 1010 9 41E8 56.4015 -1.4408 58 525003400031 y Tridens II 2007 2 9 1240 9 41E7 56.3608 -2.0828 50 1750003400032 y Tridens II 2007 2 9 1456 9 42E7 56.7118 -2.2523 44 2800003400033 y Tridens II 2007 2 13 726 11 41F0 56.2333 0.5130 86 1400003400034 y Tridens II 2007 2 13 1000 11 40F0 55.8247 0.6143 84 3150003400035 y Tridens II 2007 2 13 1230 11 40F1 55.7425 1.3197 77 1050003400036 y Tridens II 2007 2 13 1600 11 39F1 55.3913 1.5763 59 700003400037 y Tridens II 2007 2 14 728 12 35F0 53.4815 0.9150 20 350003400038 y Tridens II 2007 2 14 1015 12 35F1 53.4013 1.5755 29 2800003400039 y Tridens II 2007 2 14 1238 12 36F1 53.6740 1.5355 86 1750003400040 y Tridens II 2007 2 14 1525 12 36F2 53.7722 2.2320 35 2800003400041 y Tridens II 2007 2 19 1514 13 35F3 53.2168 3.6192 25 262503400042 y Tridens II 2007 2 20 719 14 35F1 53.1188 1.7352 38 NA3400043 y Tridens II 2007 2 20 1011 14 35F2 53.0601 2.5155 36 175003400044 y Tridens II 2007 2 20 1240 14 34F2 52.6669 2.3400 48 87503400045 n Tridens II 2007 2 20 1508 14 34F1 52.5198 1.9169 27 350003400046 y Tridens II 2007 2 21 727 15 33F2 52.2124 2.1218 44 175003400047 y Tridens II 2007 2 21 940 15 33F1 52.2673 1.8947 26 175003400048 y Tridens II 2007 2 21 1258 15 32F1 51.7161 1.8778 47 350003400049 y Tridens II 2007 2 21 1545 15 31F1 51.4870 1.7654 42 525003400050 y Tridens II 2007 2 22 712 16 32F2 51.5806 2.7812 32 262503400051 y Tridens II 2007 2 22 1008 16 32F3 51.7975 3.5238 23 87503400052 y Tridens II 2007 2 22 1407 16 33F3 52.3498 3.3218 34 2275003400053 y Tridens II 2007 2 22 1549 16 34F3 52.5899 3.3297 39 1400003400054 y Tridens II 2007 2 26 1232 17 33F4 52.3107 4.3384 16 350003400055 y Tridens II 2007 2 26 1529 17 34F4 52.6061 4.5057 18 350003400056 y Tridens II 2007 2 27 734 18 30F1 50.9825 1.0922 33 350003400057 y Tridens II 2007 2 27 1311 18 30F0 50.7990 0.8667 35 2100003400058 y Tridens II 2007 2 27 1602 18 29F0 50.3433 0.5330 43 2100003400059 y Tridens II 2007 2 28 721 19 28F0 49.8826 0.4363 32 350003400060 y Tridens II 2007 2 28 1015 19 29F0 50.1598 0.9763 32 43750003400061 y Tridens II 2007 2 28 1252 19 29F1 50.4217 1.3502 28 37450003400062 n Tridens II 2007 3 1 712 20 31F2 51.4515 2.6104 34 175003400063 y Tridens II 2007 3 1 1321 20 32F1 51.7604 1.9124 41 350000     Table 2: MIK-stations Tridens IBTS 2007 Q1. MIK valid ship year month day time fishing ICES latitude longitude depth herring larvaestation y/n day rectangle (degr-dec) (degr-dec) (m) (number)1 y Tridens II 2007 1 29 1833 1 35F4 53.3333 4.4000 28 102 y Tridens II 2007 1 29 1936 1 35F4 53.4000 4.7000 28 43 y Tridens II 2007 1 29 2048 1 36F5 53.5000 5.0333 23 14 y Tridens II 2007 1 29 2223 1 36F5 53.5500 5.5333 26 05 y Tridens II 2007 1 30 1830 2 37F8 54.3500 8.1000 17 06 y Tridens II 2007 1 30 1948 2 37F7 54.2833 7.6667 26 07 y Tridens II 2007 1 30 2103 2 37F7 54.1667 7.4000 40 08 y Tridens II 2007 1 30 2210 2 36F7 53.9833 7.3667 31 29 y Tridens II 2007 1 30 2310 2 36F7 53.9333 7.0333 26 510 y Tridens II 2007 1 31 1834 3 36F6 53.8833 6.0833 31 1811 y Tridens II 2007 1 31 1936 3 36F6 53.9333 6.4167 28 012 y Tridens II 2007 1 31 2055 3 37F6 54.0500 6.1167 33 313 y Tridens II 2007 1 31 2205 3 37F6 54.2667 6.1000 40 014 y Tridens II 2007 1 31 2315 3 37F5 54.2500 6.7833 40 015 y Tridens II 2007 2 1 1835 4 37F5 54.2167 5.5000 46 116 y Tridens II 2007 2 1 1946 4 37F4 54.1667 4.8667 49 017 y Tridens II 2007 2 1 2050 4 37F4 54.0833 4.5667 46 018 y Tridens II 2007 2 1 2205 4 36F4 53.8833 4.3167 43 219 y Tridens II 2007 2 1 2315 4 36F4 53.6667 4.2667 38 520 y Tridens II 2007 2 5 1847 5 34F3 52.8000 3.5333 29 1421 y Tridens II 2007 2 5 1955 5 34F3 52.9500 3.8167 28 022 y Tridens II 2007 2 5 2124 5 35F3 53.1000 3.4833 38 023 y Tridens II 2007 2 5 2245 5 35F3 53.3000 3.3667 38 324 y Tridens II 2007 2 6 1852 6 40F4 55.9000 4.2667 49 025 y Tridens II 2007 2 6 1955 6 40F4 55.9167 4.6167 42 026 y Tridens II 2007 2 6 2105 6 41F4 56.1000 4.5833 54 227 y Tridens II 2007 2 6 2219 6 41F4 56.1333 4.2500 62 228 y Tridens II 2007 2 6 2320 6 41F3 56.1000 3.9833 63 629 y Tridens II 2007 2 7 1850 7 41F1 56.1333 1.8500 90 1030 y Tridens II 2007 2 7 2010 7 41F2 56.3000 2.3000 80 1631 y Tridens II 2007 2 7 2134 7 41F2 56.0500 2.5833 79 1432 y Tridens II 2007 2 7 2255 7 40F2 55.9167 2.2667 84 833 y Tridens II 2007 2 8 1856 8 43E8 57.2167 -1.0833 71 1734 y Tridens II 2007 2 8 2016 8 43E8 57.4333 -1.1667 79 935 y Tridens II 2007 2 8 2149 8 43E9 57.3500 -0.8333 67 036 y Tridens II 2007 2 8 2214 8 43E9 57.1500 -0.7833 71 337 y Tridens II 2007 2 9 1900 9 42E7 56.7500 -2.1333 53 15038 y Tridens II 2007 2 9 2005 9 42E7 56.9333 -2.0333 59 7139 y Tridens II 2007 2 12 2138 10 42E8 56.9833 -2.0833 77 1140 y Tridens II 2007 2 12 2303 10 42E8 56.8167 -1.4500 64 11041 y Tridens II 2007 2 13 1900 11 39F1 55.3333 1.6000 53 142 y Tridens II 2007 2 13 2110 11 39F1 55.1833 1.8000 41 243 y Tridens II 2007 2 13 2213 11 39F2 55.1500 2.1333 37 344 y Tridens II 2007 2 13 2313 11 39F2 55.1000 2.4667 37 145 y Tridens II 2007 2 14 1905 12 36F2 53.8167 2.1000 31 246 y Tridens II 2007 2 14 2012 12 36F1 53.8000 1.7667 37 047 y Tridens II 2007 2 14 2112 12 36F1 53.6167 1.8000 25 248 y Tridens II 2007 2 14 2212 12 36F2 53.5167 2.0667 34 849 y Tridens II 2007 2 14 2312 12 35F2 53.4000 2.2833 37 1850 y Tridens II 2007 2 19 1908 13 35F2 53.2667 2.8500 33 551 y Tridens II 2007 2 19 2205 13 35F1 53.2000 1.8333 37 452 y Tridens II 2007 2 19 2307 13 35F1 53.2000 1.5167 27 3553 y Tridens II 2007 2 20 1858 14 34F1 52.5833 1.9167 23 154 y Tridens II 2007 2 20 2002 14 34F2 52.5833 2.2333 44 155 y Tridens II 2007 2 20 2106 14 33F2 52.3667 2.2167 41 056 y Tridens II 2007 2 20 2210 14 33F1 52.3500 1.9000 34 057 y Tridens II 2007 2 20 2305 14 33F2 52.1500 2.0500 37 358 y Tridens II 2007 2 21 1923 15 31F1 51.2833 1.7000 44 759 y Tridens II 2007 2 21 2020 15 31F1 51.4667 1.7500 38 760 y Tridens II 2007 2 21 2125 15 32F1 51.6667 1.8500 37 061 y Tridens II 2007 2 21 2225 15 32F1 51.8500 1.8167 48 162 y Tridens II 2007 2 21 2325 15 33F1 52.0167 1.8333 25 063 y Tridens II 2007 2 22 1905 16 34F2 52.7500 2.9000 41 249964 y Tridens II 2007 2 22 2015 16 34F3 52.6333 3.1500 35 65665 y Tridens II 2007 2 22 2124 16 33F3 52.4833 3.3167 37 131266 y Tridens II 2007 2 22 2240 16 33F3 52.3833 3.7167 27 54467 y Tridens II 2007 2 26 1905 17 34F4 52.7167 4.3333 24 66468 y Tridens II 2007 2 26 2005 17 34F4 52.5833 4.1000 28 111269 y Tridens II 2007 2 26 2100 17 33F4 52.4167 4.1000 24 46470 y Tridens II 2007 2 26 2200 17 33F4 52.2333 4.1000 24 131271 y Tridens II 2007 2 26 2310 17 33F3 52.1667 3.8000 27 22472 y Tridens II 2007 2 27 1922 18 29F0 50.2667 0.4667 42 3673 y Tridens II 2007 2 27 2035 18 29F0 50.0833 0.4000 39 5074 y Tridens II 2007 2 27 0.91 18 28F0 49.9500 0.1833 39 28675 y Tridens II 2007 2 27 0.96 18 28F0 49.9500 0.5333 32 28076 y Tridens II 2007 3 1 1920 20 31F2 51.4167 2.5167 32 1077 y Tridens II 2007 3 1 2025 20 31F2 51.4167 2.8000 27 22078 y Tridens II 2007 3 1 2130 20 32F2 51.6167 2.8000 36 18679 y Tridens II 2007 3 1 2230 20 32F2 51.8000 2.8500 40 390y80 Tridens II 2007 3 1 2325 20 32F3 51.8167 3.0667 32 376 

Cruise report IBTS 2007 Q1 Tridens weeks 5-9

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