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Trees, Woodlands, Lawns and Right-of-Ways: Best Practices for Biodiversity

Many species of birds, bees, and other pollinators face a precarious future in our urbanizing landscapes. Biodiversity is threatened at local to regional scales by habitat degradation. But there is some hopeful news: homeowners, individuals,...

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4/29/21
Loading of a Tie-in Point While Climbing

Choosing an appropriate tie-in point (TIP) is a key to efficiently and safely work in a tree. A TIP that’s high and central in the crown provides maximum mobility for a climber, but the TIP also has to be strong enough to bear the loads associated with...

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3/12/21
Bartlett Tree Experts Series: Sustainable Landscape Management

Greg reviews the key components to maintaining our stressed landscapes with tried and true Sustainable Landscape Management practices.

Speaker: Greg Paige, Director of Horticulture and Arboretum Curator, Bartlett Tree Research Laboratories and...

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12/15/20
New guidance for tracking long-term tree survival, growth, and health

Field monitoring of urban trees is essential to learn how urban forests change over time. Many arborists and urban forest managers worldwide seek to understand how their tree systems are faring in terms of growth, health, and mortality. The Urban Tree...

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9/28/20
The Calm Before: Tree Adjustments to Wind & Ice Storm Loads

Trees grow with, and adjust to, large lateral and vertical loads caused by wind and gravity. Storms with strong winds and ice can push trees beyond their ability to reconfigure or fall back to reduce drag. Exceeding tree structural ice and wind load...

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7/27/20
Protecting trees from construction impacts

With increased intensification in cities throughout the world, urban trees are often at risk of becoming damaged by construction impacts, such as utility trenching or pavement / sidewalk repair. If the damage is severe and a tree loses a lot of its...

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7/27/20
Rx for Hot Cities: Urban Greening and Cooling to Reduce Heat-Related Mortality in Los Angeles and Beyond

Across the country, a number of cities are setting ambitious tree canopy goals to fight the trend of a decline in tree canopy. Among the many causes of canopy loss, development is a key driver, and is one that communities can significantly influence...

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7/24/20
CommuniTree: A Model for Engaging Communities in Tree Planting and Maintenance Projects

Tree planting can help communities achieve many resiliency goals such as cooling heat islands, reducing stormwater floods, and building neighborhood cohesion. But trees can only do these things if they survive and thrive to maturity. CommuniTree is a...

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4/13/20
Phytoremediation of Soils using Fast-Growing Trees in Vacant Lots and Landfills

Phytoremediation is a green technology that utilizes specialized trees to remediate contaminated soils across the rural to urban continuum. The trees stabilize pollutants in the soil, trap the contaminants in their biomass, and/or break down the...

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3/9/20
Phytoremediation of Soils using Fast-Growing Trees in Vacant Lots and Landfills

Phytoremediation is a green technology that utilizes specialized trees to remediate contaminated soils across the rural to urban continuum. The trees stabilize pollutants in the soil, trap the contaminants in their biomass, and/or break down the...

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2/24/20
Tree Function in Stormwater Biofilters

This seminar includes an invited presentation by Jon Hathaway, Associate Professor at the University of Tennessee Knoxville titled, “Tree Function in Stormwater Biofilters: The Green in Green Infrastructure” and a panel discussion with Mike Perniel (...

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2/7/20
Investigating the Stormwater: Quantity and Quality Impacts of Urban Trees

A community with dense overhead tree canopy may benefit from reduced stormwater runoff volume through interception, transpiration, and infiltration but may also suffer from excess nutrients leached to nearby receiving waters from leaf litter. Bill...

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1/21/20
Soil Management for Urban Trees

The goal of the webinar is to provide an overview of soil management for urban trees. Specific emphasis will be given to soil assessment. The webinar will introduce soil quality, cover how soil quality can be assessed, and discuss how soil quality...

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1/21/20
The Landscape Architect in the Nursery: Tagging Trees and Enforcing Specifications

Tree defects such as co-dominant leaders, girding roots and buried trunk flares, present at time of planting, cause failures and decline long after the warrantee period has expired.  Landscape architects may go to nurseries to tag trees; but often...

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9/12/19

 

 
Quantifying Rainfall Interception in the Urban Canopy

Urban stormwater is a major contributor to surface water degradation in the United States, prompting cities to invest in green infrastructure - methods that naturally capture, store, and slowly release runoff, such as urban trees. While rainfall...

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8/19/19

 

 
More Than Good Looks: How trees influence urban stormwater management in green infrastructure practices

While green stormwater infrastructure increases in popularity, we are still learning about the role of trees in these innovative practices. In this webinar, Andrew Tirpak will discuss recent research results from studies designed to characterize the...

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5/28/19
Trees: A Risk Worth Taking (most of the time)

The evidence is mounting around the compounding benefits of the urban forest. We know trees in cities clean air and water, reduce energy demands, and improve the people's overall quality of life. Yet, tree failure may have serious negative consequences...

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2/19/19
Reducing Tree (and Soil!) Damage during Construction

As the pace of urban development increases, urban green spaces, and urban trees in particular, come in direct conflict with bulldozers and backhoes. With careful early planning and an understanding of how tree damage occurs, strategies for tree...

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12/18/18
Storm-Resilient Urban Forests: The Role of Species Selection & Maintenance Pruning

Inclement weather, particularly severe thunderstorms and wintry precipitation, is a major cause of damage to urban forests. In this webinar, we will learn how inclement weather impacts trees and how we can create storm-resilient urban forests through...

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7/2/18
Have you Checked your Trees Lately? A Routine Check-up of Trees Saves Lives & Property

Trees provide significant benefits to our homes and communities, but they may also become liabilities when they fall or break apart, causing property damage, personal injuries, and power outages. Learn how to inspect trees by identifying 7 of the most...

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7/2/18

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