A submersible pen system (100) for aquaculture is described. The pen comprises a hub (4) for coupling the pen system (100) to an anchor and a collar (1) circumferentially arranged around the hub (4) and having a variable buoyancy. A first end of at least one net panel (6) is coupled to the collar (1) and at least one tensioning element (5) is coupled to a second end of the at least one net panel (6). A stabilising diaphragm (50) is coupled to each of the hub (4) and the collar (1) and is at least partially deformable, the at least one net panel (6) providing surfaces at least partially defining a pen having a containment volume. The stabilising diaphragm (50) is configured to operatively provide a stabilising force between the hub (4) and the collar (1) such that a deformation of the stabilising resilient diaphragm (50) effects a degree of movement in the collar (1) with respect to the hub (4) when exposed to external dynamic loading.

A submersible pen system (100) for aquaculture is described. The pen comprises a hub (4) for coupling the pen system (100) to an anchor and a collar (1) circumferentially arranged around the hub (4) and having a variable buoyancy. A first end of at least one net panel (6) is coupled to the collar (1) and at least one tensioning element (5) is coupled to a second end of the at least one net panel (6). A stabilising diaphragm (50) is coupled to each of the hub (4) and the collar (1) and is at least partially deformable, the at least one net panel (6) providing surfaces at least partially defining a pen having a containment volume. The stabilising diaphragm (50) is configured to operatively provide a stabilising force between the hub (4) and the collar (1) such that a deformation of the stabilising resilient diaphragm (50) effects a degree of movement in the collar (1) with respect to the hub (4) when exposed to external dynamic loading.

A watercraft for breeding aquatic organisms, including an aquaculture facility and a device for feeding water into the aquaculture facility so that water intended to be fed into the aquaculture facility can escape from a body of water in which the watercraft is floating. A feed opening for receiving the water from the body of water is open in the longitudinal direction of the watercraft and/or is arranged below a water line of the watercraft. The feed opening is arranged on the hull of the watercraft, preferably on the bow. The watercraft includes a device for letting out water from the aquaculture facility to the body of water. An outlet opening of the outlet device is open in the longitudinal direction of the watercraft and/or is arranged below the water line of the watercraft. The outlet opening preferably being arranged on the hull of the watercraft, on the bow thereof.

A watercraft for breeding aquatic organisms, including an aquaculture facility and a device for feeding water into the aquaculture facility so that water intended to be fed into the aquaculture facility can escape from a body of water in which the watercraft is floating. A feed opening for receiving the water from the body of water is open in the longitudinal direction of the watercraft and/or is arranged below a water line of the watercraft. The feed opening is arranged on the hull of the watercraft, preferably on the bow. The watercraft includes a device for letting out water from the aquaculture facility to the body of water. An outlet opening of the outlet device is open in the longitudinal direction of the watercraft and/or is arranged below the water line of the watercraft. The outlet opening preferably being arranged on the hull of the watercraft, on the bow thereof.

An artificial propagation method of Sinocyclocheilus rhinocerous, comprising placing female and male parent fish in a sterilized culture container in which a black cave simulant is placed in advance, strictly controlling the environmental parameters of the parent fish culture. The method realizes natural spawning and sperm production of S. rhinocerous under artificial conditions without using oxytocin. There is no oxytocin used in the artificial propagation, thus not only obtaining a higher fertilization rate and incubating rate, but also reducing the aquaculture cost. The operation is simpler and faster. At the same time, different feeds are fed in different growth stages according to the different growth characteristics of each stage of S. rhinocerous fry, thereby increasing the survival rate and reducing the deformity rate of fries. Therefore, the method provided by the present disclosure realizes efficient artificial propagation method of S. rhinocerous.

An artificial propagation method of Sinocyclocheilus rhinocerous, comprising placing female and male parent fish in a sterilized culture container in which a black cave simulant is placed in advance, strictly controlling the environmental parameters of the parent fish culture. The method realizes natural spawning and sperm production of S. rhinocerous under artificial conditions without using oxytocin. There is no oxytocin used in the artificial propagation, thus not only obtaining a higher fertilization rate and incubating rate, but also reducing the aquaculture cost. The operation is simpler and faster. At the same time, different feeds are fed in different growth stages according to the different growth characteristics of each stage of S. rhinocerous fry, thereby increasing the survival rate and reducing the deformity rate of fries. Therefore, the method provided by the present disclosure realizes efficient artificial propagation method of S. rhinocerous.

An ecological conservation system and method for an artificial coastal wetland are provided. The system can include a fish and shrimp ecological breeding area, an artemia breeding area and a bromine extraction and salt production area, where a water inlet channel is arranged on a side of the fish and shrimp ecological breeding area; a sedimentation and biological purification channel is arranged between the fish and shrimp ecological breeding area and the artemia breeding area; a drainage channel is arranged between the artemia breeding area and the bromine extraction and salt production area; and waterfowl habitat islands are built in the fish and shrimp ecological breeding area and the artemia breeding area.

An ecological conservation system and method for an artificial coastal wetland are provided. The system can include a fish and shrimp ecological breeding area, an artemia breeding area and a bromine extraction and salt production area, where a water inlet channel is arranged on a side of the fish and shrimp ecological breeding area; a sedimentation and biological purification channel is arranged between the fish and shrimp ecological breeding area and the artemia breeding area; a drainage channel is arranged between the artemia breeding area and the bromine extraction and salt production area; and waterfowl habitat islands are built in the fish and shrimp ecological breeding area and the artemia breeding area.

Methods and apparatus for capturing carbon dioxide from ambient air and delivering said carbon dioxide to an enclosed environment are described. In general, the methods and apparatus comprise contacting a packed bed or fluidized bed device with a stream of ambient air, wherein the packed bed or fluidized bed device comprises a humidity-sensitive sorbent material that adsorbs carbon dioxide from the ambient air; contacting the packed bed or fluidized bed device with a stream of humid air to release the adsorbed carbon dioxide; delivering the released carbon dioxide to an enclosed environment; and optionally, repeating the steps of contacting the packed bed or fluidized bed device with ambient air and humid air in an alternating fashion.

Methods and apparatus for capturing carbon dioxide from ambient air and delivering said carbon dioxide to an enclosed environment are described. In general, the methods and apparatus comprise contacting a packed bed or fluidized bed device with a stream of ambient air, wherein the packed bed or fluidized bed device comprises a humidity-sensitive sorbent material that adsorbs carbon dioxide from the ambient air; contacting the packed bed or fluidized bed device with a stream of humid air to release the adsorbed carbon dioxide; delivering the released carbon dioxide to an enclosed environment; and optionally, repeating the steps of contacting the packed bed or fluidized bed device with ambient air and humid air in an alternating fashion.