Resources

December 2002 ISA CEU article, Tree Risk Assessment & Tree Mechanics by Ed Hayes.

Urban Tree Risk Management: A Community Guide to Program Design and Implementation; U.S. Forest Service, 2003   www.na.fs.fed.us/spfo/pubs/uf/utrmm/

How to Recognize Hazardous Defects in Trees; U. S. Forest Service Pamphlet, 1996 www.na.fs.fed.us/spfo/pubs/howtos/ht_haz/ht_haz.htm

Useful Diagnostic Equipment for Tree Risk Assessment:

ML Resistograph, www.imlusa.com/

Air Spade, www.air-spade.com/

Ai Knife, www.dlarborist.com/airknife.html

Tree Radar (roots), www.treeradar.com/

Many other useful publications are available at the ISA and TCIA bookstores. Please find those links below.