What is QTRA?
The Quantified Tree Risk Assessment system is a method assessing tree-failure risk, which facilitates reasonable tree risk management at reasonable cost.
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Becoming a licensed user
For more information on training, licensing and costs, please register your interest to receive an introductory information by email.
QTRA Training
We are running Quantified Tree Risk Asessment and Visual Tree
Assessment training workshops
for the UK, Australia and New Zealand during 2007 and 2008.