1. 首頁
  2. 組織
  3. University of Alaska Southeast
  4. AK Hydro Barriers to Fish...

AK Hydro Barriers to Fish Passage in Southeast Alaska

This layer contains points representing bedrock waterfalls or other permanent in-stream obstacles that are potential barriers to fish passage on in Southeast Alaska. Waterfalls less than 1 meter are not mapped nor are those caused only by wood or debris jams. Channel types considered to be de facto barriers to fish passage HC5, HC6, & MC3 were not included in the layer.

資料與資源

額外的資訊

欄位 值
維護者 Mike Plivelich
最後更新 十二月 17, 2019, 10:29 (AKST)
建立 十二月 17, 2019, 10:29 (AKST)
狀態 Ongoing
Start Date 2000-12-31
End Date 2014-03-19