Sources for More Information

January/February 2020: Do Your Trees Pose a Risk?

Here are some links that are especially valuable for tree risk assessment.

Three key publications, all available from the online book store of the International Society of Arboriculture.

ANSI A300 (Part 9) Tree Risk Assessment a. Tree Failure
Tree Risk Assessment, 2nd Edition by E. Thomas Smiley, Nelda Matheny and Sharon Lilly. Part of ISA’s Best Management Practices series.
Tree Risk Assessment Manual, 2nd Edition by Julian A. Dunster

Publications by the late Dr. Alex Shigo as contained in The Davey Tree Expert Company’s Shigo Collection
Training to become Tree Risk Assessment Qualified
Forest Service research and development resources pertaining to tree risk assessment
Field forms for helping with data collection

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Last Updated: 01/24/20