Fish Passage Barriers by Type
收藏data.gov2025-12-20 收录
官方服务：
资源简介：
Fish passage barriers include both natural and artificial obstructions that either block or impede fish passage or have the potential to block or impede fish passage....
鱼类洄游障碍（Fish passage barriers）涵盖自然与人工两类阻截物，此类阻截物要么直接阻断或阻碍鱼类洄游，要么存在阻断或阻碍鱼类洄游的潜在可能……
提供机构：
State of Oregon
