Tag Results: Trout

Back

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.

Tags: | |

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

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.

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

Tags: |

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

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.

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

Trout and Salmon Movements in Two Idaho Streams as Related to Temperature, Food, Stream Flow, Cover, and Population Density

Comparison data on temperature, food abundance, stream flow, cover and population density with trout and salmon movements.

Tags: | |

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.

Salmon Beaver Dam videos

A collection of YouTube video links about salmon passage at beaver dams.

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.

Beaver Benefits and Controlling Impacts

Educational article on the value of beavers by the Habitat Program supporting fish habitat conservation and restoration across Alaska, Washington, Oregon, California, and Idaho. Includes video and other helpful links.

Beaver Dams Aid Fish Restoration in John Day River Drainage 2014

Beaver dams and manmade Beaver Dam Analogs (BDA’s) on the John Day River system in OR accelerated recovery of steelhead trout.

Beaver Effects on Trout and Salmon

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