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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.

נתונים ומקורות

מידע נוסף

שדה ערך
אחראי Mike Plivelich
עדכון אחרון דצמבר 17, 2019, 10:29 (AKST)
נוצר ב דצמבר 17, 2019, 10:29 (AKST)
סטטוס Ongoing
Start Date 2000-12-31
End Date 2014-03-19