Naturally friendly eco-friendly method that restores natural ecosystems by naturally purifying polluted river water and always forming fisheries for ecosystem restoration

摘要

The present invention provides an environmentally friendly construction method capable of naturally purifying contaminated stream water and restoring a natural ecosystem by forming a fishway for restoring the ecosystem. The present invention is characterized by naturally forming the fishway with a multifunctional movable weir sluice gate (700) combined with a water purifier, which helps animals and plants inhabited in a stream ecosystem move, and purifying the contaminated stream water.