The depletion of traditional fishing grounds has encouraged the migration of fishermen to distant parts of southern Chile in search of new natural beds to exploit (Moreno et al., 2007, 2011; Stotz, 2004).
The depletion of traditionalfishing grounds has encouraged the migration of fishermen todistant parts of southern Chile in search of new natural beds to exploit(Moreno et al., 2007, 2011; Stotz, 2004).