Open Access
Table 1
Number of Umbrina canosai sampled along southern Brazil for the analysis of its life-history and population structure.
| Year | Period acronym | Sex examined | Aged specimens | Total weight | Maturity stage & gonad weights | Number of measured fish | ||||
|---|---|---|---|---|---|---|---|---|---|---|
|
|
||||||||||
| Pair trawl | Otter board trawl | Double rig trawl | Bottom gillnet | Total | ||||||
| 1976 | 1 | 1,061 | 1,01 | 1,091 | 306 | 3,694 | 4,608 | 8,302 | ||
| 1977 | 1,653 | 1,47 | 1,656 | 524 | 10,385 | 3,764 | 14,149 | |||
| 1978 | 1,231 | 1,106 | 1,137 | 4 | 22,513 | 11,015 | 33,528 | |||
| 1979 | 2 | 1,678 | 1,592 | 1,5 | 1,296 | 9,137 | 4,310 | 13,447 | ||
| 1980 | 1,856 | 1,797 | 1,765 | 1,55 | 8,606 | 14,130 | 22,736 | |||
| 1981 | 1,175 | 1,153 | 1,108 | 730 | 8,416 | 13,972 | 22,388 | |||
| 1982 | 3 | 1,23 | 1,21 | 1,229 | 1,07 | 12,026 | 10,976 | 23,002 | ||
| 1983 | 711 | 702 | 712 | 591 | 11,179 | 4,593 | 15,772 | |||
| 1984 | 905 | 880 | 906 | 749 | 11,726 | 4,296 | 16,022 | |||
| 1985 | 4 | 927 | 888 | 791 | 438 | 12,240 | 3,010 | 15,250 | ||
| 1986 | 1,607 | 988 | 991 | 681 | 14,533 | 3,235 | 17,768 | |||
| 1987 | 1,336 | 970 | 934 | 820 | 11,782 | 4,008 | 15,790 | |||
| 1988 | 5 | 824 | 745 | 824 | 714 | 7,286 | 1,480 | 8,766 | ||
| 1989 | 590 | 565 | 590 | 537 | 6,633 | 1,362 | 7,995 | |||
| 1990 | 422 | 410 | 263 | 283 | 5,823 | 828 | 6,651 | |||
| 1991 | 6 | 6,967 | 3,810 | 10,777 | ||||||
| 1992 | 9,209 | 3,216 | 554 | 12,979 | ||||||
| 1993 | 6,320 | 1,025 | 7,345 | |||||||
| 1994 | 1,007 | 977 | 1,007 | 767 | 2,837 | 2,495 | 469 | 5,801 | ||
| 1997 | 7 | 3,722 | 670 | 4,392 | ||||||
| 1998 | 261 | 421 | 682 | |||||||
| 1999 | 737 | 722 | 475 | 73 | 5,607 | 2,492 | 37 | 732 | 8,868 | |
| 2001 | 347 | 326 | 273 | 246 | 3,214 | 1,126 | 510 | 4,850 | ||
| 2002 | 134 | 134 | ||||||||
| 2006 | 8 | 2,798 | 890 | 281 | 1,806 | 5,775 | ||||
| 2007 | 603 | 586 | 604 | 165 | 2,483 | 539 | 277 | 2,351 | 5,650 | |
| 2008 | 148 | 148 | ||||||||
| 2009 | 2,302 | 763 | 728 | 1,718 | 5,511 | |||||
| 2010 | 252 | 252 | ||||||||
| 2011 | 9 | 119 | 116 | 118 | 89 | 1,651 | 954 | 1,784 | 4,389 | |
| 2012 | 453 | 435 | 328 | 243 | 3,150 | 2,639 | 367 | 1,882 | 8,038 | |
| 2013 | 272 | 247 | 272 | 271 | 254 | 254 | ||||
| 2014 | 95 | 37 | 96 | 95 | 1,246 | 1,348 | 2,594 | |||
| 2015 | 554 | 414 | 554 | 553 | 5,768 | 1,803 | 7,571 | |||
| 2016 | 10 | 450 | 443 | 450 | 450 | 14,134 | 740 | 207 | 915 | 15,996 |
| 2017 | 35 | 42 | 6,242 | 1,470 | 302 | 884 | 8,898 | |||
| 2018 | 54 | 92 | 94 | 54 | 6,297 | 1,329 | 3,695 | 11,321 | ||
| 2019 | 479 | 626 | 1,105 | |||||||
| Total | 21,897 | 19,916 | 18,310 | 13,299 | 240,800 | 110,420 | 3,005 | 20,671 | 374,896 | |
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