The general ecology of beavers (Castor spp.) as related to their influence on stream ecosystems and riparian habitats, and the subsequent effects on fish – a review

Whether beaver-induced changes of fish populations are beneficial or harmful will depend on the prevailing constraints on local fish species composition and abundance.

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Beaver Impact on Stream Fish Life Histories – The Role of Landscape and Local Attributes

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.

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Beaver Colony Density Trends on the Chequamegon-Nicolet National Forest, 1987 – 2013

A study of beaver control measures to help land management agencies weigh against large-scale removal programs

Working with Beaver in Pataha Creek to Restore Salmon and Steelhead Habitat: Assessment, Design, and Construction Report

The goal of this project is to test whether a restoration method developed and tested in Bridge Creek, Oregon will be suitable for restoring streams like Pataha Creek in southeast Washington.

Evaluating landowner-based beaver relocation as a tool to restore salmon habitat

Relocating American beavers (Castor canadensis) from unwanted sites to desirable sites where damage exceeds stakeholder capacity) has been posited as a method to enhance in-stream habitat for salmonids in the Pacific Northwest.

Persistence at Distributional Edges: Columbia Spotted Frog Habitat in the Arid Great Basin, USA

Study that finds beaver-induced changes to habitat quality, stability, and connectivity may increase spotted frog population resistance and resilience to seasonal drought, grazing, non-native predators, and climate change.

Hydrologic and Geomorphic Effects of Beaver Dams and Their Influence on Fishes

This assesses how beaver dams effect fish habitat and how the removal of them may affect the fish

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.

Ecology and Movement of Juvenile Salmonids in Beaver Influenced and Beaver-Free Tributaries in the Trøndelag province of Norway

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

A Critical Review of the Effects of Beavers Upon Fish and Fish Stocks

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

Qualitative and Quantitative Effects of Reintroduced Beavers on Stream Fish

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

Do Beaver Dams Impede the Movement of Trout?

An investigation into whether beaver dams impact the movement of trout

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Dredge Creek Coho & The Impact of Beavers 2014

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

Effects of Beaver on Trout in Sagehen Creek, California 1961

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

Working with Beaver to Restore Salmon Habitat in the Bridge Creek Intensively Monitored Watershed

Tested how assisting beaver to create stable colonies and aggrade incised reaches of Bridge Creek could create measurable improvements in riparian and stream habitat conditions and abundance of native steelhead.

Final ESA Recovery Plan for Oregon Coast Coho Salmon (Oncorhynchus kisutch) 2016

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.