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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
Storm Resiliency Programs for Trees April 15, 2016 Managing trees around utility power lines is a balance between maintaining a healthy forest, and guaranteeing uninterrupted power. Sara Sankowhich, system arborist with Unitil reports on a three year program that keeps the lights on, keeps utility customer’s happy, and maintains a thriving forest scape along right of ways. (A,U,M,Bm) Play

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Turning the Tide on Non-Native Tree Pests March 18, 2016 The struggles against the Asian Long Horned Beetle, and Emerald Ash Borer are just the latest battles against a history of imported pests. But as Joe Boggs explains, the challenge of dealing with non-native pests flows both ways between countries, and sharing information is the best weapon in turning the tide. (A,M,Bm) Play

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Exploring Structural Diversity in Urban Forests February 19, 2016 Are the world’s urban forests losing their big trees? Is there an ideal distribution of tree size in an urban forest? Justin Morgenroth of the New Zealand School of Forestry looks at ten years of data and compares guidelines for urban forestry management in this edition of Science of Arboriculture (A,M,Bm) Play

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Lessons Written in the Wind January 15, 2016 Trees in the Northeast United States were hammered not once, but twice in the past few years, with hurricanes Irene and Sandy devastating both urban and rural forest areas. Richard Gibney, a landscape architect, examines some of the surprising reasons some trees survived and others didn’t. (A,M,Bm) Play

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Reports: The Write Way December 18, 2015 The Job isn’t finished until the paper work is done! Writing a report properly can mean the difference between winning and losing in a legal battle. Lori Ballard of Samnik & Ballard Tree Consulting walks us through the fine points of reports that follow industry standards, and hold up in deposition and court. (A, M, Bm) Play

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From Engineers to Arborists, the Evolution of a Sidewalk Repair Project November 20, 2015 Urban landscapes can be a hostile environment for trees, and when a major city plans sidewalk upgrades the situation often becomes worse. Lisa Hammer, horticulturist and arborist, and Aida Curtis of Curtis and Rogers Design Studio report on a Miami Florida project that takes the trees into account first. (A,M,Bm) Play

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Case for Mulch October 16, 2015 In the arboricultural industry mulching trees is a long standing practice, but is there really science to back up the beneficial claims? Dr. Bert Cregg presents the findings from several Michigan State University studies(A,M,Bp) Play

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Why Tree Dies September 18, 2015 Rex Bastian, regional technical advisor with the Davey Tree Expert Company discusses the physiology of trees and how stress affects a tree’s ability to thrive. (A, Bs) Play

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Lichen 101: What an Arborist Needs to Know August 21, 2015 Joe Murray, former college biology professor and certified arborist takes a look at the symbiotic life cycle, and benefits of lichen in today’s forests (A,Bs) Play

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Using Diversity to Reduce the Impact of Exotic Pests July 17, 2015 How diverse should an urban forest be to reduce the risk of decimating pests like the Emerald Ash Borer, or Dutch Elm Disease? Dr. John Ball presents an eye opening talk on the dangers lurking in many diverse forests today (A,M,Bm) Play

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Organic Pesticides and the Science behind their Efficacy June 19, 2015 Today’s arborists must often times balance the needs of the community against damage to the environment. Organic pesticides and herbicides are a choice, but just how effective are they? Dr. Linda Chalker Scott looks at the science behind rating their efficacy. (A,U,M,Bs) Play

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Lightning Impacts on Trees May 15, 2015 Dr. Kim Coder, professor of tree biology and health at the University of Georgia presents an in depth look at the threat, mitigation, and recovery from lightning strikes in both urban and rural forests. (A,U,M,Bs) Play

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