安装这种屏障是为了将鱼从运河或发电站的进水口或出水口转移出去。

鱼类穿越障碍物所必需的要素（结构、设施、设备、操作和措施）的组合。

Structural members of timber, concrete, or steel placed in channels or on the crest of a spillway to raise the reservoir water level but intended to […]

控制水库泄洪的闸门。

Floodplain forests usually occur in the low, flood-prone areas along rivers, typically less than 20 feet above the river channel. They are often associated with oxbows […]

洪泛平原是指河流或溪流旁的一块平坦土地。

特定地区或栖息地的植物种类。

The flow duration curve is a plot that shows the percentage of time that flow in a stream is likely to equal or exceed some specified […]

一种人工结构，用于输送水，其形式为开放式、倾斜的重力溜槽，其壁高于周围地形。