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Table 1. Overview of the available knowledge on the tuna traps noticed in the Mediterranean Sea and adjacent
areas in 1899 and 1919.
Pavesi, 1899 Parona, 1919 1919/1899
Country Active Inactive Total Active Inactive Total Variation
Turkey 26 0 26 26 0 26 0
E. Adriatic1
01 31 0 31 +3100%
Italy 41 99 140 51 81 131 -6.4%
France 5 21 26 10 21 31 +19.2%
Spain (Mediterranean coast) 6 24 30 9 13 22 -26.7%
Morocco2 0 00 0 00 0
Algeria 0 22 1 01 -50%
Tunisia 1 23 1 1 2 -33.3%
Libya 0 00 2 02 200
Malta 2 13 2 13 0
Total Mediterranean 81 150 231 133 116 249 7.8%
Spain (Atlantic coast) 9 2 11 8 13 21 90.9%
Portugal 14 10 24 15 6 21 -12.5%
Total tuna traps 104 162 266 156 135 291 9.4%
1/ It was decided to use “East Adriatic” to include all the tuna traps noticed in various countries of that coast, because the
mane and boundaries were modified many times over the last century.
2/ It seems that Morocco had some active tuna traps at that time, but this information was not included in the reviews
from Pavesi and Parona and it is possibly included in some Portuguese archives.
Figure 1. The engravings of tuna and dolphins along the walls of the Genovese’s Cave in the Isle of Levanzo
(Egadi Isle, western Sicily, Italy), 9,200 B.C.
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