| 摘要 |
<p>A fishway installed at the head part between the upstream and downstream sides of a river crossing structure, comprising a stepped water channel part and side wall parts gradually rising upward from both right and left sides of the stepped water channel part in a direction against the flow of water and forming a flow path together with the stepped water channel part, wherein at least one buffer is detachably disposed in the stepped water channel part, whereby the running up and down of aquatic organisms can be assisted so that the population of the diadromous aquatic organisms can be recovered or maintained.</p> |
