Jeremy Barrell | Tree Risk Matrix Framework Spectrum
Subject: | Jeremy Barrell | Tree Risk Matrix Framework Spectrum |
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From: | David Evans | |
Date: | Feb 14 2021 19:20:33 |
Hi Michael <<What a surprise!!!>> Indeed. Having sat down and gone through it, I'm genuinely surprised the article has been peer-reviewed let alone published in a journal. It's not research. Some obvious key points of fact don't make sense, even within the questionable logic of its own risk ecosystem. I've sketched them out in the attached and described them below. I'm surprised they weren't picked up in the peer review. Tree Risk Matrix The article's got a tree risk matrix that doesn’t include the likelihood of occupancy. The matrix has high risk, low risk, and medium risk outputs. Risk Spectrum It's got a risk spectrum that has high risk and low risk, but no medium risk. Risk Frameworks There are two risk frameworks where low occupancy means low risk, no matter how high the likelihood of failure or how high the consequences. In the risk matrix High & High = High Risk High & Low = Medium Risk Yet, in the risk frameworks, when another 'High' is added to a 'High & Low = Medium Risk', the risk is then LOWER. High & High & Low = Low Risk And that's before we consider the really important stuff. Cheers Acer Ventura -- The UK Tree Care mailing list To unsubscribe send mailto:uktc-unsubscribe@xxxxxx.tree-care.info The UKTC forum is supported by Bosky Trees arboricultural consultancy and Stockholm Tree Pits https://www.stockholmtreepits.co.uk
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