Watch Previous TREE Fund Webinars Here! CEU credit is available during each live broadcast and on select recorded webinars.
A Three Pronged Approach to understanding defensive mechanisms in Green Ash resistant to EAB July 2021
Jeanne Romero-Severson, PhD, University of Notre Dame
We are grateful to the Alabama Cooperative Extension Program for hosting this webinar.
Why do some trees transplant better than others? A look at some new research on water uptake June 2021
Nina Bassuk, PhD, Cornell University
We are grateful to the Alabama Cooperative Extension Program for hosting this webinar.
Dan Kneeshaw, PhD, University of Quebec, Montreal
A free download of SEGMA the tree delineation software can be found at geophoton.ca
We are grateful to the Alabama Cooperative Extension Program for hosting this webinar.
Planning for the Next Three Letter Urban Tree Canopy Changer: Lessons Learned with DED, EAB, ETC. April 2021
Richard Hauer, PhD, University of Wisconsin-Stevens Point
CEU from the International Society of Arboriculture is available for this recorded webinar. Please watch the recording first, then complete this 20 question quiz. Your accuracy of 80% (16 questions) or higher will earn you one ISA CEU credit. Once you complete the quiz, TREE Fund will submit your results to ISA on your behalf.
We are grateful to the Alabama Cooperative Extension Program for hosting this webinar.
Loading a Tie-in Point While Climbing February 2021
Brian Kane, PhD, University of Massachusetts-Amherst
CEU from the International Society of Arboriculture is available for this recorded webinar. Please watch the recording first, then complete this 20 question quiz. Your accuracy of 80% (16 questions) or higher will earn you one ISA CEU credit. Once you complete the quiz, TREE Fund will submit your results to ISA on your behalf.
We are grateful to the Alabama Cooperative Extension Program for hosting this webinar.
Measuring multi-stemmed trees October 2020
Yasha A. S. Magarik, DC Department of Transportation, Urban Forestry Division
Lara Roman, PhD, Research Ecologist, USDA Forest Service, Philadelphia Field Station, Northern Research Station
We are grateful to the Alabama Cooperative Extension Program for hosting this webinar.
Soil Assessment for Urban Trees—Part 2 Actions September 2020
Bryant Scharenbroch, PhD, University of Wisconsin-Stevens Point
Supporting Materials: Webinar Slides
We are grateful to the Alabama Cooperative Extension Program for hosting this webinar.
Enhancing Tree Health in Water Sensitive Urban Design: Role of Mycorrhizae July 2020
Brandon Winfrey, PhD, Monash University
We are grateful to the Alabama Cooperative Extension Program for hosting this webinar.
Protecting trees from construction impacts June 2020
Andrew Koeser, PhD, University of Florida
James Urban, FASLA
Research citations:
Hilbert†, D.R., E. North, R.J. Hauer,A.K. Koeser, D.C. Mclean, R.J. Northrop, M. Andreu, and S. Parbs. 2020. Predicting trunk flare diameter to prevent tree damage to infrastructure. Urban Forestry & Urban Greening. 49:126645.
Benson†, A.R.,A.K. Koeser, and J. Morgenroth. 2019. Responses of mature roadside trees to root severance treatments.Urban Forestry & Urban Greening. 46:126448.
Benson†, A.R.,A.K. Koeser, and J. Morgenroth. 2019. A test of tree protection zones: Responses ofQuercus virginiana Mill. trees to root severance treatments. Urban Forestry & Urban Greening. 38:54-63.
We are grateful to the Alabama Cooperative Extension Program for hosting this webinar.
Fighting Microbes with Microbes to Protect Our Native Trees June 2020
Rachael Antwis, Phd, University of Salford
We are grateful to the Alabama Cooperative Extension Program for hosting this webinar.
The Calm Before: Tree Adjustments to Wind & Ice Storm Loads June 2020
Kim D. Coder, PhD, Warnell School of Forestry and Natural Resources, University of Georgia
Supporting materials: Supporting Literature/Reference List
We are grateful to the Alabama Cooperative Extension Program for hosting this webinar.
Sidewalks, Urban Plazas and Tree Roots May 2020
E. Thomas Smiley, PhD, Bartlett Tree Research Lab
We are grateful to the Alabama Cooperative Extension Program for hosting this webinar.
A simple technique for online street tree inventories – it is right for my community? April 2020
Adam Berland, PhD, Ball State University
Supporting materials: Webinar Slides
We are grateful to the Alabama Cooperative Extension Program for hosting this webinar.
Why do Tree Branches Fail March 2020
Greg Dahle, PhD, Associate Professor, West Virginia University
We are grateful to the Alabama Cooperative Extension Program for hosting this webinar.
Soil Assessment for Urban Trees January 2020
Bryant C. Scharenbroch, PhD, Assistant Professor of Soil Science, University of Wisconsin – Stevens Point, Research Fellow of The Morton Arboretum
We are grateful to Utah State University Forestry Extension for hosting this webinar.
Health Benefits of City Trees: Research Evidence & Economic Values November 2019
Kathleen Wolf, PhD, University of Washington
Supporting materials: Webinar Slides
More of Dr. Wolf’s research can be found at www.naturewithin.info, and the Green Cities: Good Health project at: www.greenhealth.washington.edu.
We are grateful to Utah State University Forestry Extension for hosting this webinar.
The Landscape Architect in the Nursery: Tagging Trees and Enforcing Specifications September 2019
James Urban, Urban Trees + Soils, and Paul Josey, Wolf Josey Landscape Architects
Supporting materials: Webinar Slides, Webinar Q&A
We are grateful to Utah State University Forestry Extension for hosting this webinar and to Virginia Chapter ASLA for their support and assistance.
Can We Vaccinate Trees to Protect Against Diseases? August 2019
Dr. Glynn Percival, Manager, UK and Ireland Bartlett Tree Research and Diagnostic Laboratory based at the University of Reading, UK
Supporting materials: Webinar Slides
We are grateful to the Alabama Cooperative Extension Program for hosting this webinar.
Remediating Compacted Soils Compromised by Urban Construction June 2019
Nina Bassuk, PhD, Cornell University
Supporting materials: Webinar Slides
Links from Dr. Bassuk’s webinar:
Cornell Soil Health Testing website
Cornell Nutrient Analysis Lab (compost testing)
“Long-term remediation of compacted urban soils by physical fracturing and incorporation of compost,” by Miles Schwartz Sax, Nina Bassuk, Harold van Es and Don Rakow
Dr. Bassuk’s website
We are grateful to Utah State University Forestry Extension for hosting this webinar
Cultivating Innovation — Documenting 15 Years of TREE Fund Research Impact May 2019
Andrew Koeser, PhD, University of Florida, and Richard Hauer, PhD, University of Wisconsin – Stevens Point
The Salt Dilemma: Growing Better Urban Trees in Northern Climates February 2019
James Urban, FASLA, Urban Trees + Soils; Andrew Millward, PhD, Ryerson University; Adam Nicklin,
PUBLIC WORK
Reducing Tree (and Soil!) Damage During Construction December 2018
Nina Bassuk, PhD, Cornell University
Supporting material: Webinar presentation slides
Emerald Ash Borer: Strategies for Conserving Ash in the Urban Forest November 2018
Dan Herms, PhD, The Davey Tree Expert Company
Supporting material: Webinar presentation slides
Arboricultural Biomechanics August 2018
Brian Kane, PhD, University of Massachusetts, Amherst
Supporting material: Dr. Kane’s answers to questions posed during webinar
Utility Arborist Research Fund: Work in Progress, Work to Come May 2018
J. Eric Smith, TREE Fund and Dr. Christopher Halle, Sonoma State University
Supporting materials: Presentation was very large so has been uploaded in four parts:
Invasive insects in Shade Trees: A 30-year Perspective from Colorado May 2018
Whitney Cranshaw, PhD, Colorado State University
Do Planting Stock Decisions Really Make Much Difference Down the Road? February 2018
Michael Arnold, PhD, Texas A&M University
Drought Tolerance in Trees — Improving Tree Selection for Challenging Urban Sites November 2017
Andrew Hirons, PhD, Myerscough College, U.K.
Tree Species Selection Guide (based on this research)
Municipal Forestry Baseline, Trends, and Dashboard September 2017
Dr. Richard Hauer, PhD, University of Wisconsin – Stevens Point
Soil Profile Rebuilding: Rehabilitating Compacted Soils June 2017
Susan Day, PhD, Virginia Tech
Supporting materials: webinar presentation slides and Dr. Day’s website (referenced in webinar)
Tree Risk Assessment – Perceptions, Reality, and Reliability April 2017
Andew Koeser, PhD, University of Florida
Soil Compaction and Urban Trees: Strategies for Gaining Ground November 2016
Bryant Scharenbroch, PhD, University of Wisconsin – Stevens Point
Supporting materials:
- Webinar presentation slides
- “Biochar and Biosolids Increase Tree Growth and Improve Soil Quality for Urban Landscapes,” Journal of Environmental Quality
- “Distinguishing urban soils with physical, chemical, and biological properties,” Pedo biologia
- “Wood Chips and Compost Improve Soil Quality and Increase Growth of Acer rubrum and Betula nigra in Compacted Urban Soil,” Arboriculture & Urban Forestry
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An Approach to Pruning You Won’t Forget May 2016
Ed Gilman, PhD, University of Florida
Strategies for Successful Urban Tree Growth in Wet and Dry Sites September 2015
Nina Bassuk, PhD, Cornell University
Emerald Cash Borer: It Will Cost You Money-Ways to Manage the Ash Cash Flow April 2015
Rich Hauer, PhD, University of Wisconsin – Stevens Point