HAZARD TREE EVALUATION & IDENTIFICATION

***EVERY DEAD TREE IS A HAZARD TREE,

BUT NOT EVERY HAZARD TREE IS DEAD***

 

What is a target?

Why does it matter?

Does every defect require removal?

How often should you inspect for hazard trees?

Who should inspect for hazard trees?

Why Tree Hazard Inspections are Needed

Four main areas to inspect

Non-defective tree can create hazardous conditions

Hazard Remedies

References and Source Material 

Tree Risk Management, Bruce R. Fraedrich Ph.D. – Bartlett Research Laboratories

Recognizing Tree Hazards, International Society of Arboriculture

Recognizing Living Tree Hazards, Jeff Iles – Dept. of Horticulture, Iowa State University

Minnesota Dept. of Natural Resources and USDA Forest Service, 1996, How to Recognize Hazardous defects in trees.  USDA Forest Service NA-FR-01-96.

The Hazard Tree Web Page – Joseph G. O’Brien, Plant Pathologist, USDA Forest Service

Tree Hazard Inspections, Brian Darr, Southern Forestry Associates, 1999