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Solving Beaver Flooding Problems through the Use of Water Flow Control Devices

This paper describes the social and ecological context for current beaver problems, how WFCDs function, gives installation and maintenance tips, and presents results of two surveys that assessed the effectiveness of WFCDs in alleviating beaver flooding problems in Connecticut and Massachusetts.

Tips for non-exclusionary culvert protection structures

The Beaver Patrol (in Juneau, Alaska) developed a culvert protector that allows in-stream movement of larger fish, turtles, and other animals, while preventing beavers from placing larger wood into culverts.

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Best Management Practices for Beaver Problems, 2005

A study of 482 flow devices by Beaver Solutions LLC in Massachusetts demonstrated that flow devices are the Best Management Practices for beaver dam flooding problems. Published by the Assoc. of MA Wetland Scientists, 2005.

Control of Beaver Flooding at Restoration Projects 2001

Describes alternatives to control undesirable flooding caused by beavers at wetland restoration projects

DVD Review – The Best Management Practices: Long Term Solutions to Beaver Dam Flooding 2010

A review of “The Best Management Practices: Long Term Solutions to Beaver Dam Flooding 2010”, an instructional DVD for flow devices

Getting A-Log: More In Mass. Seek Coexistence With Beavers

WBUR article following Mike Callahan and Beaver Solutions installing a flow device in Millis, MA

APHIS Beaver Management Webinar 

Effective nonlethal methods to manage beaver conflicts are reviewed by Mike Callahan, Beaver Solutions LLC AS part of the USDA NRCS Webinar Series, 2017.

Univ. of Mass. Transportation Center – Beaver Management Webinar

This 40 minute UMTC webinar teaches road crews the basics about how to prevent road flooding and infrastructure damage from beavers with cost-effective flow devices. Presented by Mike Callahan Beaver Institute. 2020.

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Beavers: Wildlife Damage Management Technical Series

The focus of this publication is to provide basic information on beaver ecology, damage, and management.

Beaver Management Flow Device Study 2003

A 2003 landmark study of flow device success rates at 277 beaver-human conflict sites in Massachusetts.

An indigenous tribe in Washington is strategically placing beavers around to help salmon

An indigenous tribe in Washington is strategically placing beavers around to help salmon.

Beavers Could Be A Key Species For Endangered Salmon Recovery In Oregon

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Recent guidance from the federal government is, for the first time, promoting the importance of beavers in the recovery of endangered salmon.

Salmon Break Through a Beaver Dam

This time lapse camera video shows chum salmon at Chico Creek navigating a beaver dam.

How coastal beavers are helping salmon recover in Washington

Beavers on the coast are helping salmon bounce back.