Naturally friendly eco-friendly method that restores the natural ecosystem by constructing a fishery that restores the river ecosystem while naturally purifying polluted river water by using the natural action generated by the river water.

摘要

The present invention relates to an environmentally friendly method for naturally purifying polluted river water using the natural action of river water and for restoring a natural ecosystem by forming a fishway to purify polluted river water flowing to a river by forming a fishway for ecosystem restoration and discharging polluted river water flowing to the river after purifying it; and to maintain a predetermined amount of river water by preventing river water from being completely discharged through the bottom water discharge passage of a floodgate during a dry season.