A system for stabilizing soil for accretion and retention of coastal water soil is disclosed. The system includes a plurality of artificial reef segments, where each segments comprises a homogenous curved frame structure, a plurality of openings extending through the homogenous curved frame structure, a plurality of frame segments, and a plurality of cutouts disposed along a terminating end of each artificial reef segment. In one embodiment, an artificial reef configuration is disclosed having a first reef segment arranged on top of a second reef segment and a third reef segment in such a way that the cutouts of the first reef segment receive at least one of the plurality of frame segments of the second reef segment and the third reef segment. Furthermore, a transport configuration includes a first reef segment stacked on top of a second reef segment.

There is described a module for an underwater structure. The module comprises a plurality of walls defining a cavity configured such that at least two walls of said plurality of walls confront one another to provide respective stack support surfaces for supporting said module, said walls are substantially parallel to form complementary stack surfaces, such that one stack surface may rest on a surface and the other complementary stack surface provides a rest surface for another module. Two or more walls of said plurality of walls each comprise an aperture providing a conduit through each two or more walls to said cavity, respective apertures of said two or more walls and said cavity configured to provide a water flow path into, through and from said cavity. The water flow path may be considered unconstrained or at least substantially unconstrained in that water may flow through the apertures and cavity without deviation or interruption other than by the module or cavity walls. In stacked formation an aperture may be occluded or partially occluded but still the module when on its own may provide water pathways which may be considered unconstrained or substantially unconstrained.

There is described a module for an underwater structure. The module comprises a plurality of walls defining a cavity configured such that at least two walls of said plurality of walls confront one another to provide respective stack support surfaces for supporting said module, said walls are substantially parallel to form complementary stack surfaces, such that one stack surface may rest on a surface and the other complementary stack surface provides a rest surface for another module. Two or more walls of said plurality of walls each comprise an aperture providing a conduit through each two or more walls to said cavity, respective apertures of said two or more walls and said cavity configured to provide a water flow path into, through and from said cavity. The water flow path may be considered unconstrained or at least substantially unconstrained in that water may flow through the apertures and cavity without deviation or interruption other than by the module or cavity walls. In stacked formation an aperture may be occluded or partially occluded but still the module when on its own may provide water pathways which may be considered unconstrained or substantially unconstrained.

A method and apparatus incorporating erosion preventing mats or blankets having oyster spat are placed to prevent or reduce erosion. The method and apparatus incorporates seeding with oyster spat and/or oyster larvae onto a blanket having rough surfaces and comprising calcium. After seeding and setting natural growth of the oyster larvae can create a barrier that helps prevent erosion by breaking the kinetic energy of waves.

A method and apparatus incorporating erosion preventing mats or blankets having oyster spat are placed to prevent or reduce erosion. The method and apparatus incorporates seeding with oyster spat and/or oyster larvae onto a blanket having rough surfaces and comprising calcium. After seeding and setting natural growth of the oyster larvae can create a barrier that helps prevent erosion by breaking the kinetic energy of waves.

Aquatic Structures are disclosed that include a nonwoven fiber mat, a connecting material, an anchor and a protective coating. The nonwoven fiber mat may be in the form of a roll having multiple layers and the connecting material may connect those layers. The roll may be submerged in a body of water and the anchor may be connected to a floor of the body of water. Uses of those aquatic structures are also taught.

Aquatic Structures are disclosed that include a nonwoven fiber mat, a connecting material, an anchor and a protective coating. The nonwoven fiber mat may be in the form of a roll having multiple layers and the connecting material may connect those layers. The roll may be submerged in a body of water and the anchor may be connected to a floor of the body of water. Uses of those aquatic structures are also taught.

A device comprising a corkscrew; and a protrusion comprising a sleeve and one or more protrusion cells. Methods of using the device are also disclosed.

A device comprising a corkscrew; and a protrusion comprising a sleeve and one or more protrusion cells. Methods of using the device are also disclosed.

A device comprising a corkscrew; a substantially flexible shaft operably attached to the corkscrew at a first end of the shaft; and one or more protrusions extending from the shaft between the first end of the shaft and a second end of the shaft. Methods of using the device are also disclosed.