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Table 1
Summary of the French mid-water trawl historical albacore data time series (from 1991 to 2015). Fishing operation (FO). Nominal Catch Per Unit Effort (CPUE) (catches of albacore (kg)/per vessel fishing time (hours)).
| Mean | Percentage of representativeness of these data according to the total french trawl catches recorded in ICCAT | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Year | Number of data | Number of boats | Number of FO | Fishing time per FO (hours) | Fishing time per Trip | Number of fishing days per trip | Total catch (Kg) per trip | Total catch (Kg) per FO | CPUE | |
| 1991 | 118 | 29 | 4.991525 | 6.240424 | 28.601695 | 7.115385 | 3536.9322 | 1072.8664 | 195.0317 | 86.64 |
| 1992 | 219 | 49 | 4.831050 | 6.175616 | 28.255708 | 7.566667 | 6207.1566 | 1391.1264 | 238.6444 | 54.24 |
| 1993 | 153 | 41 | 5.647059 | 5.233333 | 27.816993 | 8.558824 | 5556.6804 | 1124.1319 | 243.2333 | 49.83 |
| 1994 | 135 | 30 | 6.103704 | 5.658444 | 30.955556 | 9.548387 | 6356.2600 | 1446.1210 | 293.7556 | 43.62 |
| 1995 | 187 | 25 | 4.176471 | 5.424706 | 21.641711 | 8.000000 | 5027.2615 | 1200.8133 | 246.6192 | 31.69 |
| 1996 | 120 | 26 | 7.041667 | 5.268250 | 34.775000 | 8.368421 | 8799.5825 | 1217.0564 | 253.2111 | 40.37 |
| 1997 | 91 | 27 | 6.461538 | 4.952857 | 31.736264 | 5.818182 | 13496.7363 | 2665.3586 | 616.9231 | 41.16 |
| 1998 | 80 | 19 | 6.412500 | 4.994375 | 32.875000 | 11.875000 | 5178.0813 | 1012.4531 | 217.8708 | 35.17 |
| 1999 | 95 | 46 | 3.915789 | 5.244211 | 22.400000 | 2.900000 | 3355.4032 | 981.3528 | 240.0326 | 6.61 |
| 2000 | 551 | 69 | 5.613430 | 5.684628 | 30.728131 | 3.206780 | 3855.3100 | 785.9789 | 163.4323 | 59.15 |
| 2001 | 2409 | 126 | 1.777501 | 6.170100 | 11.182731 | 4.276695 | 1929.7611 | 1066.8600 | 222.7978 | 93.29 |
| 2002 | 3281 | 96 | 1.545261 | 5.737434 | 9.089424 | 3.832757 | 969.4101 | 651.0354 | 132.2540 | 72.98 |
| 2003 | 2207 | 91 | 1.499773 | 6.679547 | 9.375895 | 4.151643 | 1017.8424 | 751.4524 | 140.7049 | 69.07 |
| 2004 | 140 | 28 | 1.264286 | 7.128571 | 8.552857 | 3.983607 | 858.2007 | 687.8971 | 109.6750 | 5.48 |
| 2005 | 4095 | 121 | 1.643712 | 6.438386 | 9.803810 | 3.698891 | 1541.9074 | 1057.5378 | 189.8252 | 92.13 |
| 2006 | 3566 | 92 | 1.511778 | 5.985499 | 8.569125 | 3.357501 | 1648.2544 | 1215.5966 | 235.1722 | 99.99 |
| 2007 | 2855 | 75 | 1.634676 | 5.648459 | 8.744133 | 3.092086 | 994.3924 | 662.9531 | 128.0397 | 99.88 |
| 2008 | 916 | 41 | 1.575328 | 7.144574 | 10.356659 | 4.587054 | 994.6103 | 637.0739 | 102.8738 | 32.47 |
| 2009 | 440 | 48 | 1.322727 | 5.755886 | 6.936364 | 4.209945 | 1822.3705 | 1387.8308 | 320.1861 | 102.43 |
| 2010 | 400 | 36 | 1.300000 | 5.522250 | 6.676000 | 4.336735 | 1830.2650 | 1444.3325 | 341.5779 | 59.32 |
| 2011 | 822 | 40 | 1.392944 | 4.770012 | 5.995620 | 4.296000 | 3411.1588 | 2665.1944 | 682.0077 | 85.07 |
| 2012 | 1228 | 58 | 1.259772 | 10.685399 | 12.073860 | 3.472756 | 2652.3352 | 2148.3997 | 275.6677 | 103.84 |
| 2013 | 1172 | 40 | 1.411263 | 5.242577 | 7.273464 | 4.976449 | 3731.3910 | 2703.6276 | 534.2505 | 100.88 |
| 2014 | 901 | 36 | 1.597114 | 5.254018 | 8.289012 | 4.268692 | 5699.3700 | 3676.9622 | 734.7769 | 76.65 |
| 2015 | 821 | 40 | 1.438490 | 5.983557 | 8.588307 | 6.138264 | 2950.1504 | 2191.5469 | 366.2473 | 71.42 |
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