Page 744 - Economia Azul - versão: inglês
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2.3. The fleet of live bait rod, hand    (trollers) by the moving vessels (FAO, 2022).
                      Figure 7. Interpolation of fishing effort (hours) for the Brazilian fleet
                    (grouped from 2013 to 2021) operating with longline in the southern and                                      line and corso (Trollers)                They can be carried out in two ways, from
                                   southeastern regions of the Brazilian EEZ                                                                                              a vessel (drift or anchored) (Handline and
                                                                                                                                    The fleets that operate with Handline,   fishing rod) (Bjordal, 2005). The three gears
                                    50 0’0 W                                   45 0’0 W                                  40 0’0 W
                                      o
                                                                              o
                                                                                o
                                                            o
                                        o
                                                          o
                                                                                                                                 corso and rods with live bait together ac-  aim to fish pelagic or demersal species, such
                                                                                                                                 counted for 8.15% of the records generat-  as tunas (Thunnus albacares, Thunnus obe-
                                                                                                                                 ed by PREPS between the years 2013 and   sus, Thunnus atlanticus, Thunnus alalunga),
                                                                                                                                 2021 (Figure 8). They are fishing methods   Skipjack tuna (Katswonus pelanis), mack-
                                                                                                                                 widely used around the world, precisely be-  erel, jacks and snappers (BJORDAL, 2005;
                  20 0’0’’S                                                         20 0’0’’S
                                                                                      o
                    o
                                                                                                                                 cause they are the simplest, most flexible,   SETYADJI et al. al., 2018).
                                                                                                                                 and  low cost. The hand  line  consists only   In the live-bait rod modality, the bait is
                                                                                                                                 of using a nylon monofilament with a hook   captured  through  a  seine  net.  The  boats
                                                                                                                                 that mimics the morphology of a prey or that   that use this fishing art, have ponds (tubs)
                                                                                                                                 has a bait attached. The same methodology   with continuous water circulation, to main-
                                                                                                                                 is followed by the rod with live bait, which   tain a low mortality rate of the bait, since
                                                                                                                                 is distinguished by the use of live bait and   fish such as sardines and mackerel do not
                  25 0’0’’S                                                         25 0’0’’S                                    by the corso (Figure 8), which are character-  support captivity for a long time (Figure 9).
                                                                                      o
                    o
                                                                                                                                 ized by lines with hooks and bait dragged   After obtaining the bait, the vessel stops
                                                                                                                                         Figure 8. Passive fishing by handline (below), live bait rod (right) and
                                                                    Atlantic                                                            trollers – corso (left). Different types and shapes of hooks highlighted
                                                                    Ocean                                                             fishing with a moving vessel (left-corso) and with a stationary vessel (right).
                                                                                                                                                  Trollers                  Fishing rod
                    o
                  30 0’0’’S                                                         30 0’0’’S
                                                                                      o
                                                                                                                                                   Trollers                   Fishing rod
                                                                Isobath 2000m
                                                                Isobath_300m
                                                                Isobath 100m
                                                                Isobath 50m
                                                                Exclusive Economic Zone (EEZ)
                    o
                  35 0’0’’S                               Fishing Efforts (hours)   35 0’0’’S                                                                                                         Hand
                                                                                      o
                                                                                                                                                                                                      line
                                                          Value
                                                                High : 5420
                                                                Low : 0,01

                                    50 0’0 W                                   45 0’0 W                                  40 0’0 W
                                                          o
                                      o
                                        o
                                                                              o
                                                                                o
                                                            o
                             0  120  240     480      720     960      1.200
                                                                          Kilometers
                                           Source: Authors based on Global Fishing Watch (2022)                                                                                           Source: Cochrane (2005)
     742   BLUE ECONOMY                                                                                                                                                          Fishing Exploitation in the Brazilian Economic Zone 743
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