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Offshore Aquaculture Harvest and Transport....
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GRANT NUMBER:  NA56FD0071          NMFS NUMBER:  93-NWR-013

REPORT TITLE:  Offshore Aquaculture Harvest and Transport Concept; Feasibility and Development

AUTHOR: Loverich, Gary F.; Swanson, Kurt and Gace, Langley; Ocean Spar Technologies, LLC

PUBLISH DATE:  December 31, 1996

AVAILABLE FROM:  National Marine Fisheries Service, Northwest Regional Office, 7600 Sand Point Way, NE, Seattle, WA 98115.  PHONE: (206) 526-6115

ABSTRACT

To reduce the operating costs of sea farming offshore, a means to quickly and efficiently crowd fish in a sea cage for harvest or transport was investigated. Additionally, transporting these same fish over longer distances of exposed water without undo stress, risk or operational hazard was investigated. A new sea cage design called Sea Station (TM), satisfied these requirements. By simply inverting the taut net, fish were crowded to an opening in the side of the cage and exited into a harvest pen. The Sea Station can safely be towed at a speed of 51 cm./sec. without changing shape or volume enclosed. Fish behavior was observed and recorded for all operations and fish stress levels during the harvest appeared to be very low.

 
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