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Tuna phishing
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For tuna means quell'impianto networks at sea, prepared to barrage from a mirror water; consists of an island made up of rooms and a queue or pedal capable of funneling tuna that they meet during their free movements in the sea , guiding them towards the island itself which, in turn, the ability to retain as in a trap. The tuna comes in flocks dall'Atlantico and expands to the bottom and the High Mediterranean meeting in the middle of his journey Sicily. Here, as always, were numerous races, the passage of mandre largest tuna. And especially in the line that runs from Lilibeo for Egadi to Cape San Vito, runs throughout the Tyrrhenian coast until Peloro, and down again over the Straits of Messina to Cape Passero. Based on genetic period (May-June) and intergenetico (autumn), which marks the lives of tuna, has reached a crucial stage distinction of race (spawning) and back (exhaustion of gene function). This distinction is worth to differentiate the tuna in tuna and tuna Round return, in accordance with the respective territorial location. Based instead of the number of rooms and networks that make up the entire system of peach, are featured in tuna mail (from eight to nine) and to mount and leverage (not more than 4 rooms). In this division is obviously a range of variations and adaptations to different environmental geographies. The choice of the most suitable site to reduce tuna responded to numerous technical evaluations, while the possibility and the exercise of fishing sottostavano instead two conditions no less essential, the vast availability of financial managers and concession on the part of institutions state of the license and fisheries same. The parable descendant in the history of Sicilian tuna began in the nineteenth century. In what now have two data for an idea: the end of the eighteenth century the Marquis de Villabianca in its "Tonnare of Sicily" may list 74 scattered along the coast of the island. A century later, in his report to the Committee Reale, Peter Pavesi can not exceed the number of 21. Already the technical report of Pavesi showed how widely the unstable balance and survival of most of Sicilian tuna. Among the main Pavesi note especially the failure of fisheries and excessive contraction of the plant. But, should not be underestimated the costs of processing tuna and funding cycles for fishing, much higher than those of Spanish and Portuguese tuna (among other things belonging to industrial Italians had gone there), which immettevano market Italian products at very low costs and hinders the export of tuna nostrano and distribution on the national market. But the real problem, as the end of the fourteenth century, it was not only fatal dependency fishing season or compete with foreign production, but mainly on the financial instability which was founded whole organization fishing for tuna that for centuries made precarious throughout the economy Sicilian seafood. The donor was not simply a provider of funds, but mostly performed the role of gabellato and administrator who risked more than any negoziante-banchiere stranger to the production cycle. For mali old already described, were added in the second half of the twentieth century are also difficulties and constraints. First of all the ecological collapse of the Mediterranean, due to pollution and development of maritime traffic. Furthermore, since the early seventies, fishing fleets, mostly Japanese, with increasingly sophisticated equipment, control large areas of the Atlantic Ocean, so dramatically reducing the size of the number of tuna arriving in the Mediterranean.
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