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Science of Arboriculture

No matter where you are, keep up-to-date with the latest research-based information on tree care by listening to this podcast! Science of Arboriculture was developed by the International Society of Arboriculture to provide easily accessible educational talks by the world’s top researchers, educators, and practitioners. Subscribe to this ArborPod™ series to keep up with the fast-paced and evolving research!

If you have comments or a favorite topic in arboriculture that you would like to learn more about, please contact us at isa@isa-arbor.com.

This podcast series is brought to you by Bartlett Tree Experts

NameReleasedDescriptionAudio FileCEU Quiz
Effects of Hurricane Sandy April 17, 2015 More than two years after Super Storm Sandy pounded the east coast of the U.S., recovery efforts are still on-going. Including efforts to bring the rural and urban forests back from incredible storm damage. Join David Johnson of Asplund Tree Expert Company as he looks at the damage done, and recovery attempts made in the hardest hit areas. (A,U,M,T,L,Bs) Play

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Tree Diversity and Water Quality February 20, 2015 One of the unseen benefits an urban forest brings to a community is storm water management. A healthy diversified urban forest can extend the life of a cities gray infrastructure over decades. Dr. Peter Donagh looks at the incredible job trees perform in handling storm runoff in a city. (A,U,T,M,L,Bs) Play

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Urban Trees are not Stand Alone Structures January 16, 2015 Dr. Alexia Stokes discusses the many external stressors that affect a tree’s growth and mechanical stability, and how trees naturally adapt themselves to thrive in different environments Play

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Managing Minimum Soil Policies for Urban Trees December 19, 2014 Urban trees have a substantially shortened life span due to a number of problems, not the least of which is limited access to uncompacted, aerated, fertile soil. The average 4’ X 4’ X 4’ tree pit has less than one tenth the rooting volume needed. L. Peter MacDonagh of Kestrel Design Group, discusses examples of minimum soil volume policies that give arborists the leverage they need to provide trees with adequate useable soil volume. (A,U,M,T,L,Bm) Play

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Solar Smart Arboriculture November 21, 2014 As solar energy gains an increasing presence in the developing world, the arboricultural industry has a key opportunity to work hand in hand with installers in both pruning strategies and tree selection. Dan Staley discusses solar smart strategies for today’s urban arborist.(A,U,M,T,L,Bp) Play

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Effects of Root Severance by Excavation on Two Urban Tree Species October 17, 2014 Dr. Alessio Fini of Florence University explains his study into the growth, physiology, and uprooting resistance change experienced by two Urban tree species with different levels of root severance. 96 pre-planted trees were studied over two growing seasons to track the results (A,U,M,T,L,Bs) Play

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A science Program for Urban Natural Resource Planning and Management September 19, 2014 Green cities are more livable cities, and yet the urban natural resources, and the means we have to manage them, are diminishing. Dr. Weston Brinkley takes a look at a current set of integrated Urban Forest Assessments looking for answers in today’s land management stewardship.(A,U,M,T,L,Bs) Play

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Soil Volumes for Urban Trees August 15, 2014 How much soil is enough for a healthy tree? That question has plagued urban foresters for years when planning urban tree planting programs. Nina Bassuk, Ph.D. professor from Cornell University looks at new techniques and new technology being employed in the search for answers. Play

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Biochar as a Soil Amendment July 18, 2014 Biochar, a waste product from the anaerobic heating of biomass, has tremendous potential as a soil amendment for urban soils. Dr. Kelby Fite from the Bartlett Tree Research Laboratory, presents research data on this re-use of waste materiel improving urban soils. Play

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Development of Re-Soil June 20, 2014 Joris Veoten discusses a completely new structural soil for trees in the urban environment, made from recycled glass and recycled organic material. Experiments have shown Re-Soil maintains structural function and tree growth potential even when installed under pavement. Play

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Impacts of Elevated CO2 Levels on Urban Trees May 16, 2014 Dr. Zhu Ning discusses a recent study on the effects of elevated carbon dioxide levels on urban trees. Listen to this episode of Science of Arboriculture to learn more about the physiological processes of photosynthesis, transpiration, and stomatal conductance in Southern red oak and red maple. Play

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Caring for your Body as an Athlete April 17, 2014 Arborists are industrial athletes, challenged every day to keep their bodies operating at peak performance to do their job. Amanda Carpenter and Jessica Skiera discuss how nutrition, hydration, and sleep can help or impair an arborist’s performance. Play

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