| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a growth unit for fishery organism of upwelling system, capable of offering a high-density growth for fishery organism without feeding artificially and drastically saving the labor in the growth process even in an artificial water area.SOLUTION: The top surface of an upbringing container 1 is closed by a detachable lid body 3 to make it a cylindrical shape with a bottom surface opened, and a bottom surface filter 2 of a mesh size that can hold a fishery organism growth unit S is provided at the bottom surface of the upbringing container 1. A drain pipe 3a is hung from the nearly central part of the lid body 3 so that water communication is achieved in the water area inside and outside the upbringing container 1. A belt-like floating body 3c is wound and fixed to the upper periphery of the upbringing container 1 which is floated with the lid body 3 portion exposed on a water surface W where the container is located.</p> |
