Untitled - CNR

Fishery and Sea ResourcesFigure 4: Schools of fish around the “Nave di Faro”.3 Compatible tourismusesThe “natural” shipwrecks situated in shallowto medium depths are among the preferredspots for the SCUBA divers (Figure5); since in general their exploration requiressome local expertise, diving professionalsare often accompanying the underwatertourists, and checking, besides theirsafety, that they do not damage the artifactswhich offer them a source of living; thereforethe “problem of the commons” is normallyavoided when referred to the shipwrecks.Obviously, the same attraction fordivers is exerted by any shipwreck, involuntarilyor deliberately sunken, thus makingan otherwise “dull” bottom a sourceof eco compatible and sustainable revenues[28].Nevertheless, underwater recreation is generallylimited to active users, leaving outtoo many average tourists. Thinking atthat, a floating “atoll ” (Figure 6) , assemblednear the wreckage, shall act as a startingbasis and allow different activities alsoon the surface, such as mooring for catering,rod fishing inside a stocked pen, safeswimming “in the blue”, education and experimentation,besides being a commercial“kiosk in the middle of the sea”; its thigmotropiceffects (i.e., the search of peculiarspatial conformations for orienting themselvesand “settling” activities) should beparticularly efficacious for coastal boating(up to 3 NM off shore) in areas with flatbottoms and coastlines [29].The floating isle is made of 4 submersiblenet cages, a technology regularly employedfor off shore aquaculture [30], which willbe sunk to avoid heavy storms and for inloco winter storage, with a total surface1928