ARTIFICIAL BREEDING POND OF SALMON AND TROUT

摘要

A bringing-up apparatus is disposed in a channel having a fresh water inlet and outlet and provides in the channel areas of repose for yolk sac fry released to the channel. The bringing-up apparatus includes a plurality of groyne plates disposed in the channel such that they extend in a direction crossing the water flow in the channel and are spaced apart in the direction of the water flow for providing places of gentle water flow in the channel and also includes at least one support disposed on the bottom of the channel for supporting the groyne plates such that a space is maintained between adjacent groyne plates.