ARTIFICIAL SPAWNING BANK FOR LOLIGO BLEEKERI

摘要

PPROBLEM TO BE SOLVED: To provide an artificial spawning bank for Loligo bleekeri (a kind of squids) that can not only help the spawning of Loligo bleekeri, but also consider the habitat environment for the larvae of the squids after spawn deposition, for example, secures the habitation space for the larvae of the squids as well as feed organisms. PSOLUTION: In this artificial spawning bank for Loligo bleekeri, supports are arranged three-dimensionally to constitute a structural body and spawn deposition panels 9 are arranged in the structural body to form a spawn deposition unit 3 and the spawning units are arranged on the base. The spawn deposition unit 3 is composed of the spawn deposition panels 9 inclined in the structural body and a horizontal spawn deposition panel 9 are arranged in the vertical direction. In addition, light-shielding panels are arranged on the upper face and a couple of side faces opposing to each other. The spawn deposition panel 9 is constituted with a plurality of the spawn deposition base bodies and each of the base body has a plurality of water-passing tubular cases on which a plurality of openings bored and the tubular cases are filled with shells or materials similar to shells. PCOPYRIGHT: (C)2004,JPO&NCIPI