Tag Results: Movement
BackSalmon Beaver Dam videos
A collection of YouTube video links about salmon passage at beaver dams.
State of Oregon Fish Passage Rules ,2017
State of Oregon Fish Passage Rules from 2017.
Beaver: Nature’s ecosystem engineers
This review summarizes how beaver impact ecosystem structure and geomorphology, hydrology and water resources, water quality, freshwater ecology, and humans and society.
The general ecology of beavers as related to their influence on stream ecosystems and riparian habitats, and the subsequent effects on fish – a review
A review on how beaver ponds affect fish
Atlantic salmon (Salmo salar) smolt and early post-smolt migration and survival inferred from multi-year and multi-stock acoustic telemetry studies in the Gulf of St. Lawrence, northwest Atlantic
A study of the migration dynamics and survival of Atlantic salmon (Salmo salar) smolts over 14 years in Canada.
Beaver Effects on Trout and Salmon
Multiple studies cited showing an overall beneficial effect of beaver dams on salmon and trout.
The Importance of Beaver Ponds to Coho Salmon Production in the Stillaguamish River Basin, Washington, USA
NOAA study of beaver habitat effects on Coho salmon reproduction and growth in Washington state.
Modifications to the Clemson Pond Leveler to Facilitate Brook Trout Passage
The Clemson Pond Leveler effectively controls beaver pond flooding but will not pass migrating fish as it is typically installed. This modified design will allow for the passage of fish.
Leave It To Beavers To Help Salmon?
They found that beaver dams can inhibit migration, and can also increase siltation, which degrades salmon spawning habitat.