Beaver Library

Researchers examined interactions between beaver and fish communities in the types of streams selected for Eurasian beaver re-colonization. They found several critical elements of fish communities in these mountain streams that relate to beaver activity and its effects.

Study of salmon and trout movement upstream and downstream of beaver dams, and how the dams effect them

Study of Coho Salmon rearing habitat in beaver ponds vs. non-beaver pools in Oregon

A review by the University of Southampton of how the reintroduction of beaver will affect fish in Scotalnd

Review of research about the positive and negative effects of beaver towards fish

Article that investigates the relationship between beavers and coho salmon in the Mendenhall Recreational Area, Alaska

Large-scale experiment to quantify the benefits of beavers and beaver dam analogues to a fish population and its habitat

Study on how the increase of beavers along Sagehen Creek affect the trout in it

This recovery plan provides guidance to improve the viability of coho salmon to the point that it meets the delisting criteria and no longer requires ESA protection. It includes strong recommendations to increase the number of beaver and recommends the use of BDAs to restore rearing habitat for salmon.

Study of the effects of an ephemeral beaver pond on the growth and maturity of age-2 Atlantic salmon in Eastern Canada

Study of how beaver dams and their effect on stream flow affect Atlantic Salmon

This review summarizes how beaver impact ecosystem structure and geomorphology, hydrology and water resources, water quality, freshwater ecology, and humans and society.

A review on how beaver ponds affect fish

Multiple studies cited showing an overall beneficial effect of beaver dams on salmon and trout.

Beaver dams in tidal estuaries have significant benefits for multiple fish species.

NOAA study of beaver habitat effects on Coho salmon reproduction and growth in Washington state.

A review of the history of beavers and salmonids in the western Great Lakes Region. They found that beaver activity is often deleterious to salmonids in low gradient stream basins but is generally beneficial in high gradient basins

They found that beaver dams can inhibit migration, and can also increase siltation, which degrades salmon spawning habitat.