Quantified tree risk assessment
Simply Balancing Risks With Benefits
What is QTRA?
Tree safety management is a matter of limiting the risk of harm from tree failure while maintaining the benefits conferred by trees. Although it may seem counterintuitive, the condition of trees should not be the first consideration. Instead, tree managers should consider first the usage of the land on which the trees stand, and in turn, this will inform the process of assessing the trees…
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Find out everything you need to know in order to achieve effective tree safety management?
Simply Balancing Risks with Benefits
QTRA TRAINING
Our extensive global training courses and workshops will help you become an expert in tree safety and management
search our directory of registered QTRA users
This directory allows you to search for QTRA Registered Users in your region who have undertaken a one-day training course in the basic application of QTRA
Register your interest in QTRA
Register your interest in QTRA training and we will send you an Introductory Information Pack and keep you informed of developments and training events. When you have registered interest, you can select an event from our Training Calendar and make an online booking.
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Have a question or need help registering? Please get in touch and we will be happy to help.
Tree safety news
An interview with Mike Ellison – founder of QTRA
Can you tell us about your background and what inspired you to develop QTRA Mike: In the early 1990’s, I won a contract with Commission for the New Towns (now
Tree diseases prevalent in Europe
There are several tree diseases that are prevalent in Europe. Here are some notable examples: Dutch Elm Disease (DED) Dutch Elm Disease is caused by a fungus called Ophiostoma novo-ulmi
