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Nature-friendly eco-friendly method to purify polluted river water while restoring natural ecosystem by using natural fish that restores river ecosystem
Nature-friendly eco-friendly method to purify polluted river water while restoring natural ecosystem by using natural fish that restores river ecosystem
The present invention relates to an environmentally friendly method for purifying polluted river water by restoring a natural ecosystem using a fishway for restoring a river ecosystem 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.
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