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Figure 16. Interpolation of fishing effort (hours) for the Brazilian fleet (grouping   trawlers. Double trawling is aimed at catch-  The analyzed records referring to the
 the years from 2013 to 2021) operating with purse seines in the Brazilian EEZ  ing  shrimp  (shrimp-shrimp,  pink  shrimp   tracking of the Brazilian bottom trawl fleet,
                   and white shrimp). Simple trawling is ded-  between the years 2013 and 2021 resulted
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 50 0’0 W                                45 0’0 W                                40 0’0 W      icated to catching fish from the Scianidae   in the greatest efforts between the border
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 15 0’0’’S  15 0’0’’S  family. From the 2000s onwards, with the   between Brazil and Uruguay to the north
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                   advance of demersal fishing by both fleets   of Rio de Janeiro, especially in areas with
                   to areas of the external shelf and slope,   depths of up to 100 meters. From Ilhéus
                   the direction is observed in the south and   in Bahia to the vicinity of Salvador, another
                   southeast regions for species such as hake   area of  operation of this fleet was identi-

                   (Merluccius hubbsi), toadfish (Lophius gas-  fied, as well as from the east coast of Pará
                   trophysus), deep-sea hake (Urophycis mys-  to the east of Amapá, from the coast to
 20 0’0’’S  20 0’0’’S  tacea), Argentine squid (Illex argentinus)   areas approximately 50 meters deep (Fig-
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                   and deep-sea cock (Zenopsis conchifera)   ure 18). Vessels from this fleet in northern
                   (VALENTIN & PEZZUTO, 2006).              Brazil are mainly directed to shrimp.
                             Figure 17. Trawl towed by only one vessel, showing its meshes,
                                                cables, ports and bag


 25 0’0’’S  25 0’0’’S
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                                                                     Trawl ship

 Atlantic
 Ocean
                                                              Mouth
                              Bag           Cape Master      opening
 30 0’0’’S  30 0’0’’S
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                                                              Sweeper Cables
 Isobath 200m
 Isobath 100m
 Isobath 50m
 Exclusive Economic Zone (EEZ)         Bottom                                      Drag
 Fishing Efforts (hours)              cable                                       cables
 Value
 35 0’0’’S  High : 1497  35 0’0’’S
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                          Wing                            Drag
 Low : 0,01                                                Doors
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 50 0’0 W                                  45 0’0 W                               40 0’0 W
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 0   130  260   520   780   1.040   1.300
  Kilometers                                           Source: Modified from Sarmiento-Natafé et al. (2017)
 Source: Authors based on Global Fishing Watch (2022)
 752   BLUE ECONOMY                                               Fishing Exploitation in the Brazilian Economic Zone 753
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   750   751   752   753   754   755   756   757   758   759   760