FISH WAY DEVICE FOR ENABLING FISHES TO EASILY MOVE FROM THE DOWNSTREAM TO THE UPSTREAM

摘要

PURPOSE: A fish way device is provided to enable easy movement of fish at the upstream since some of water flowing down from the upstream flows up and then flow down in a zigzag form.;CONSTITUTION: A fish way device comprises one or more protrusions, a diagonal 凹, and a driving unit. The protrusions are upward formed on both walls(12) at regular intervals. Some of water flowing down from the upstream flows up and then flow down in a zigzag form on both walls and the wall comprises holes. The diagonal 凹 is formed to be higher at the upstream. The driving unit detects the level of water.;COPYRIGHT KIPO 2012