Sea aquaculture installation
First Claim
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1. An aquaculture installation comprising:
- a plurality of cage modules, each having a framework sufficiently strong to withstand open sea currents, each module having an open cage structure over at least a portion of its surface area, and each cage having a weight and air reservoir structure which causes the module to float in an open sea environment with at least a lower portion of its cage structure submerged below the surface,said plurality of modules being located in an open sea having currents in surface layers, which currents are essentially unconfined by sea boundry structures,each module containing therein the fish life which creates fish pollution, primarily fish dejecta, which is carried away by the said currents in the surface layer, the pollution carried away by the said currents being located in a zone of action, which zone extends substantially parallel to and in the direction of said current from each cage, downstream therefrom, and a certain width transverse to the direction of said currents, the modules of the plurality thereof being spaced apart in a direction transverse to the mean direction of said currents a sufficient distance that the zones of action of two adjacent modules are free from overlap with each other.
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Abstract
An open sea aquaculture installation comprising a central structure similar to an offshore oil drilling platform and several floating modules which are anchored to the sea bed. The different modules are disposed at a distance, determined perpendicularly between lines each crossing a module and parallel to the mean direction of current in the surface layer of the sea, sufficient so that dejecta from the different modules do not interfere with adjacent modules.
34 Citations
14 Claims
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1. An aquaculture installation comprising:
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a plurality of cage modules, each having a framework sufficiently strong to withstand open sea currents, each module having an open cage structure over at least a portion of its surface area, and each cage having a weight and air reservoir structure which causes the module to float in an open sea environment with at least a lower portion of its cage structure submerged below the surface, said plurality of modules being located in an open sea having currents in surface layers, which currents are essentially unconfined by sea boundry structures, each module containing therein the fish life which creates fish pollution, primarily fish dejecta, which is carried away by the said currents in the surface layer, the pollution carried away by the said currents being located in a zone of action, which zone extends substantially parallel to and in the direction of said current from each cage, downstream therefrom, and a certain width transverse to the direction of said currents, the modules of the plurality thereof being spaced apart in a direction transverse to the mean direction of said currents a sufficient distance that the zones of action of two adjacent modules are free from overlap with each other. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A method of breeding fish, comprising:
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arranging a plurality of cage modules in an open sea having currents in surface layers, which currents are essentially unconfined by sea boundries, and wherein each module (1) is sufficiently strong to withstand open sea currents, (2) has an open cage structure over a portion of its surface area to permit water, but not sea life, to pass therethrough and (3) has a weight and air reservoir structure which causes it to float in an open sea environment with at least a portion of its cage structure submerged below the surface, placing into each of said cage modules the fish life to be bred, wherein said fish life creates pollution, primarily fish dejecta, which is carried away by the said currents in the surface layer, the pollution carried away by the said currents being located in a zone of action, which zone extends substantially parallel to and in the direction of said current, and arranging adjacent modules spaced apart from each other in a direction transverse to the mean direction of said currents a sufficient distance that the zones of action of two adjacent modules are free from overlap with each other. - View Dependent Claims (12, 13, 14)
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Specification