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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 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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Wind Resistance of Damaged Pinus March 21, 2014 Alessandro Pestalozza was inspired to study the effects a previous branch failure has on its wind resistance after a fatal injury occurred on a busy street in Italy. Learn about how tree fibers respond to the extreme tension exerted by static pull tests in this effort to make our urban forest a safer place. Play

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Evaluating Canopy Distribution and Change February 21, 2014 Tree canopy assessments provide a better understanding of the urban forest than conducting an inventory, because these assessments include trees on private property. Ruth Williams discusses the change of canopy cover in Portland, Oregon, based on the results of her 10-year canopy study. Play

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New Approaches to Vegetation Management Processes January 17, 2014 Henry King discusses the principles of effective project management as a vegetation management contractor. Learn how to communicate across disciplines and execute a plan. Play

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Compaction and Remediation of Urban Dirt December 20, 2013 Bryant Scharenbroch discusses the effects of compaction to top-soil in urban development, and potential remediation options. Learn about the study he conducted to determine what common practices improve the quality of urban soils. Play

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The Value of Trees During Climate Change November 15, 2013 Gregory Moore discusses the economic value of shade trees in the urban forest. Learn about the role of trees in the heat island effect and how the loss of tree cover affects public open spaces. Play

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