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Tree Canopy Conference
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Tree Canopy Conference


When: Thursday, October 13
9 am - 5 pm
Where: Haverford College, Stokes Hall
370 Lancaster Ave
Haverford, PA  
United States
Morris Arboretum Education Dept

Phone: 215-247-5777 ext 156

9:00 am Welcome Bob Wells, Associate Director of Arboriculture Outreach, Morris Arboretum, and Bill Astifan, Director, Haverford College Arboretum

9:15 am City Trees Are Stress Relievers Jay Townsend
This talk examines research that explores
the relationship between green infrastructure in the built environment and human wellbeing by focusing on the relationship between the quantity of trees on a city block
and the level of community stress.

10:00 am Break

10:15 am i-Tree: Converting Tree Benefits Data into Sustainable Tree Canopy Management Dr. Jason Henning
I-Tree Tools ( have been helping communities assess the benefits
and value of their forest resources since 2006. The release of the new i-Tree Landscape
tool (, supports mapping and prioritization of tree canopy,
while an update to the flagship i-Tree Eco software has increased usability with new
features like flexible data requirements and forecasting.

11:00 am Transforming Our Parking Lots Barry Jeffries
Parking lots play a major role in how our communities look and the quality of the
environment. They can also contribute to flooding, cause polluted stormwater runoff,
and create urban heat islands. These impacts can be reduced using practices that provide greater greening, and by including naturalized drainage strategies. Several local and regional examples of green parking lots illustrating these innovations will be discussed.

11:30 am Soil Amendments for the Urban Landscape Mark Highland
Soil remediation on existing landscapes with large trees can be daunting. This session
explores soil amendments, such as Biochar, used on urban landscapes that provide a positive impact in the root zone.

12:00 noon Questions

12:20 pm Lunch

1:30 pm Philadelphia’s Big Trees Ken LeRoy
In our community tree canopy, one can discover trees of age that are part of our cultural heritage and remnants from the native forest. Many of these ‘Heritage Trees’ grow in protected historical sites, parks, and college campuses. Ken LeRoy has been tracking and photographing these trees in Philadelphia and its suburbs over the last few decades and will share their stories.

2:00 pm Sustainable Stormwater Techniques:
Reconnecting Soils, Water & Vegetation Michele Adams and Tavis Dockwiller
Stormwater runoff is the leading cause of damage to streams and waterways. Recent
approaches such as “green infrastructure” or “low impact development” strive to return
rainfall to soil and vegetation, recharging groundwater and restoring evapotranspiration. Case studies of sustainable approaches to rainwater management will be shared.

2:45 pm Break

3:00 pm How to Produce a Blight Resistant American Chestnut Dr. William Powell
The American chestnut and chestnut blight is the classic example of what happens when
our forests succumb to exotic pests and pathogens. Because of its environmental,
economic, and social importance, many tools have been brought to bear on the hestnut
blight problem. Dr. Powell will discuss genetic engineering and how it is being used to
produce a blight-resistant American chestnut.

4:00 pm Fairmount Park’s Emerald Ash Borer Control Program Curtis Helm
Curtis will review his experience in treating over 1,200 ash trees in Fairmount Park. He will discuss costs, the time involved, challenges he encountered, and plans for future management.

4:45 pm Questions

5:00 pm Adjourn and Reception

This conference is eligible for 6 PCH CEUs.

For more information, or to register, please click here: TREE CANOPY CONFERENCE

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