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Arborist News Audio

The Arborist News audio podcast is a special benefit to ISA members and non-members alike. Arborist News Audio is a podcast version of the most current Arborist News CEU article, narrated for your convenience. Whether you’re en route to the next job or sitting on your couch, you can listen to this month’s CEU article, written on a range of topics. This podcast was designed by the International Society of Arboriculture to help arborist stay up-to-date with the most recent topics, and provide CEU opportunities for our members. While Arborist News is usually only available to ISA members, the CEU articles, and this podcast, are accessible to all arborists. Click on the headphones to subscribe to this podcast. With Arborist News Audio, each edition’s CEU article is available as a downloadable podcast at the beginning of the month, along with the opportunity for ISA members to purchase the CEU quiz at the same time and earn credits.

NameReleasedDescriptionAudio FileCEU Quiz
Understaning Trees Responses to Stress Complexes December 09, 2016 The idea that rapidly growing trees are the most pest resistant and stress tolerant is highly ingrained. But is that always true? Trees face both abiotic and biotic attacks daily, and studies are beginning to question just how resistant, and whether cultural practices generally thought to help a growing tree, may in fact increase the stresses it faces. (A, Bs) Play

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Preserving Trees During Construction October 07, 2016 The fate of a tree can be in jeopardy in all phases of a construction project, and the highest levels of success are achieved when the arborist is brought in as early in the process as possible. This month’s CEU article looks at the planning and design phases of managing trees during construction. (A,M, Bm) Play

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Basic Tree Plumbing July 26, 2016 Every tree has its own system for moving water and nutrients through stem and branch. Christine Balk and A.D. Ali explore this natural plumbing in trees. (A, M, Bs) Play

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Tree Injection part 2 June 07, 2016 Injection is an extreme, but sometimes necessary step in addressing proper tree care. In this second of two part article Shawn Bernick and E. Thomas Smiley examine the pros and cons to be taken in consideration when contemplating injection sites on a tree. (A, M, Bp) Play

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Tree Injection part 1 April 05, 2016 Injection is an extreme, but sometimes necessary step in addressing proper tree care. Shawn Bernick and E. Thomas Smiley examine the pros and cons to be taken in consideration when contemplating tree injection. (A, M, Bp) Play

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Bark Traits are Important to Tree health and Survival February 02, 2016 Bark is a complex and important tree tissue, by better understanding bark structure and function arborists will be prepared to interpret problems, and apply protective mechanisms in managing landscape trees.(A, Bs) Play

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Tree Lightning Protection Systems part two December 03, 2015 Lightning is an extremely powerful and pervasive force of nature, with an estimated 100 million strikes annually in North America. Authors Thomas Smiley, William Grahm jr., and Scott Cullen take a look at what can be done to protect trees, and the buildings and people around them. (A, T, L, Bp) Play

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Tree Lightning Protection Systems part 1 October 06, 2015 Lightning is an extremely powerful and pervasive force of nature, with an estimated 100 million strikes annually in North America. Authors Thomas Smiley, William Grahm jr., and Scott Cullen take a look at what can be done to protect trees, and the buildings and people around them. (A, T, L, Bp) Play

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Managing Soils that Support Urban Trees part two July 21, 2015 In part two of their article on managing urban soils, the authors delve into soil modifications, and soil amendments, as well as tilling techniques that can help improve urban soils(A, M, Bp) Play

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Managing Soils That Support Urban Trees (part one) June 02, 2015 Assessing urban soils is the first step in creating a healthy urban forest. Assessments can be quick and field based or more in-depth laboratory analysis. This month’s article looks at the most effective sampling techniques, identifying the important soil parameters, and understanding the results and how it will affect tree health. (A,U,T,M,L,Bp) Play

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Biology and Assessment of Callus and Woundwood April 07, 2015 The terms callus and woundwood have been a source of confusion for working arborists and researchers almost since their first use more than a century ago. Christopher Luley examines the anatomical and functional differences between the two. (A,U,T,M,L,Bs) Play

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The Cost of not Maintaining the Urban Forest February 03, 2015 Budgets can list the cost of tree maintenance, but what are the eventual costs of not caring for the urban forest? Richard Hauer, Jessica Vogt, and Burnell Fischer exam efforts to quantify the trade off between early tree care costs, and long term benefits of a healthy urban forest. (A,U,T,M,L,Bm) Play

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