Identifying and Managing Mountain Beaver Damage to Forest Resources

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Jimmy Taylor, Donivan Sphar and Glenn Ahrens
EM 9063 | Published July 2013, Reviewed 2021

Summary

The mountain beaver is a medium-sized rodent of the western Pacific Northwest. Mountain beavers cause damage to forest regeneration by clipping or girdling seedlings or saplings or both, and undermining roots. Methods to control mountain beaver include trapping, toxicants, exclusion, repellents, and habitat modification. This publication describes and recommends a combination of methods used in an integrated management strategy.

About the authors

Jimmy Taylor
Supervisory research wildlife biologist and project leader
USDA, APHIS, Wildlife Services, National Wildlife Research Center
Donivan Sphar
Biological sciences technician
USDA, APHIS, Wildlife Services, National Wildlife Research Center

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