December 14, 2018

How to stay safe working near electricity power lines


Contact with electricity results in serious injury or even fatalities. UK Power Networks distributes more than a quarter of the UK’s electricity to London, the South East and the East of England, using overhead and underground power lines and substations. The company is urging workers to remember that where tree cutting equipment or machinery is used near overhead power lines, the risk must be considered and controlled. The Be Bright Stay Safe campaign supports safe working and behaviours, encourages the sharing of information and knowledge, and highlights the real risks of coming into contact with electricity. The campaign is reminding…

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Trees on farms essential to improve environmental protection post Brexit


Major agroforestry trials should be established during the EU withdrawal period Brexit, according to a report launched 12 June by the Woodland Trust and Soil Association. Government support for farmer-led research and innovation networks seeking to integrate trees and agriculture should also be trialled according to the policy document “Agroforestry in England: Benefits, Barriers and Opportunities.” Agroforestry, the combination of trees and shrubs with agriculture, involves rows of trees through arable crops like wheat, dotted through pasture like parkland, or planted close together to provide cover for plants and animals. Combining trees and farming can increase productivity, diversify farm businesses,…

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Barcham’s latest free publication facilitates tree species selection


A new 36-page publication entitled Species Selection: A Guide to Informed Decision Making from Barcham Trees is to be launched at the Arboricultural Association’s annual “Arb Show”, which takes place on Friday 11 and Saturday 12 May 2018 at Westonbirt The National Arboretum, Tetbury, Gloucestershire. Available free-of-charge to tree-care professionals, Species Selection is the result of many months’ work by Barcham director and the Association’s chairman Keith Sacre.  It considers site constraints, tolerances, hardiness, ecosystem services and aesthetics, and includes useful tables of trees for quick reference in the field. “When it comes to selection, there is never just one…

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Assessing the need for tree removal: top 10 tips


Deciding whether a tree needs to be removed can be a tricky business. Lee Davies, Consultant at Artemis Tree Services, offers advice to help arborists through the process. As tree professionals we understand the wide range of social, economic and environmental benefits trees provide, such as absorbing pollution, reducing the severity of flooding, and improving the health and wellbeing of society as a whole. It is therefore important that these benefits are conserved wherever practicable. However, there will be circumstances when trees need to be removed. Below are ten tips for identifying trees that need to be removed. Training Obtain…

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10,000 blight-resistant American chestnut trees grown by U.S researchers


The American chestnut trees were one of the most common trees on the East Coast of America a century ago, before the population between northern Georgia and Maine was decimated by a fungus, thought to be imported from Chinese chestnut trees in 1904. “It was a very important tree to our history, to the economy in the past,” said SUNY ESF professor William Powell, co-founder of the American Chestnut Research and Restoration Project. The American Chestnut Research and Restoration Project has been conducting research at the State University of New York College of Environmental Science and Forestry for nearly 30…

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Future Foresters – challenged to drive a technology revolution


Forestry and arboricultural students have been challenged to  drive a technological revolution to transform the way woods and trees are managed in the UK. Key note speaker at the ground breaking RFS’s Future Foresters New Technology Day, Jez Ralph from Timber Strategies told them: ” There is a new future and it is digital and it is going to come very fast. You are the people who will take up that challenge. Part of it is understanding the past, understanding the history of timber use and then taking that further.” “Being able to use digital skills is as much a…

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The Evolution of the Arborists Climbing Harness


By Paul George  The roots of modern arboriculture in Britain can be traced back to 1854, when the Arboricultural Society of Scotland was established. While an understanding of trees as living organisms is still central, the practical aspects have progressed exponentially over the subsequent decades. The industry has developed to reflect wider societal advancements in technology, safety standards and services, investing more in the comfort and safety of its workers more than ever. Now, arborist equipment is not only being built to mitigate safety risks, but tailored to better facilitate the role of the user, allowing you to work harder and…

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Barcham Trees share measuring systems


Barcham Trees is offering tree-care professionals the chance to view, first-hand, how it tests the health of trees on its Cambridgeshire nursery. Specifically, Barcham are keen to share how it uses the Arborcheck Nursery Benchmark System, developed by Hansatech Instruments Ltd and the nursery. It is based on data relating to tree health accumulated independently at Barcham by Bartlett Tree Research Laboratories. It is then measured by Hansatech’s chlorophyll fluorescence measuring systems.  Bartlett personnel will be testing trees at Barcham from 11 – 22 July 2016.   The Arborcheck system measures chlorophyll fluorescence emissions from the leaves of a tree…

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Woodchippers showcased at The Arb Show


Först, a leading supplier of high performance woodchippers, showcased its range of wheeled, tracked and PTO woodchippers at this years Arb Show, held at Westonbirt National Arboretum. Highlights of the line-up include the new XR8 Traxion and PT6 machines. Visitors to the stand were able to get a close look at the new XR8 Traxion being exhibited for the first time in the UK. It is a fast, powerful and  versatile woodchipper, designed to traverse banks and slopes of up to 35 degrees with ease. Visitors were also introduced to the new PT6 woodchipper that boasts its own hydraulic system and reservoir. Director,…

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A guide to assisted felling part 2: Component forces – David Vickers


In the second part of this series, Dave Vickers looks at the forces involved and required safety margins when combining wire and rope based offset systems. Last month we focused on assisted felling and the forces involved when using an offset pull. We introduced the formula “pull = 2t(cos x)” where t is the force in tonnes exerted by the winch and x is half of the angle the wire/rope passes through the pulley. I concluded by suggesting a ready reckoner chart could be useful when selecting equipment. We need to consider two things when dealing with offset systems combining rope and wire; firstly the potential offset loads, and secondly the strength of the rope. Calculating…

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