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Chicago Region 2020 Tree Census

The Morton Arboretum has released the results of its 2020 Chicago region tree census. Findings include the loss of an estimated 6 million ash trees, felled by the emerald ash borer. Chicago's canopy cover decreased from 19% to 16%, largely because of...

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5/4/21
Challenges to the Reforestation Pipeline in the United States

This article from Frontiers in Forests and Global Change explores large-scale global reforestation goals in the US. The authors used GIS analyses, surveys of nursery managers and foresters, and literature synthesis to assess the opportunities and...

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4/29/21
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
How to Correctly Plant a Tree

April is Arbor Month and a new five-minute video produced by the Iowa DNR aims to help residents learn to properly plant trees and avoid very common mistakes—vital to the longevity of new plantings. Common errors such as planting roots too deep or too...

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4/29/21
Tree Equity for Climate and Health: State and Local Applications

The legacy of institutional racism including redlining and other discriminatory policies have paved the way for an urban landscape that is deeply divided. Too often, a map of tree canopy is also a map of income and race, with corresponding public...

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3/24/21
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
Challenges to the Reforestation Pipeline in the United States

Large-scale global reforestation goals have been proposed to help mitigate climate change and provide other ecosystem services. To explore reforestation potential in the United States, we used GIS analyses, surveys of nursery managers and foresters,...

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3/4/21
Woodland Management by Objectives: Taking Stock & Making Plans

Before you can manage your woodlands, you have to have a good idea of what your land is like, what has been there before and what you want to do with it. In this presentation, learn how you can assess your woods, including past land use, current...

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2/12/21
Online and Print Resources for Oak Information

This is a companion resource to a presentation given by Tim Boland, Polly Hill Arboretum, entitled The American Oaks: Diversity, Ecology, Identification as part of the "A Focus On Sustainability" Webinar Series. 

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2/5/21
Lightning Damage to Landscape Palms

Learning to distinguish the symptoms of lightning strikes is a valuable tool for arborists, landscapers, pest control companies, and gardeners. The symptoms may be confused with other causes such as lethal yellowing disease (Candidatus palmae...

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1/19/21
Biocultural stewardship: Transforming our urban and community forestry practices

Diverse perspectives and approaches to learning and knowing can strengthen our work in urban and community forestry. Indigenous and local knowledge is embedded in the concept of biocultural stewardship - an approach to working with communities...

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12/28/20
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
What's My Tree Worth? Tree Appraisal Case Studies

Lindsey Purcell, Urban Forestry Specialist – Purdue University, as he outlines examples and case studies regarding tree appraisal in the urban environment. 

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12/4/20
Insect Pests in the Landscape

Tawny Simisky, UMass Extension Entomologist, will discuss the frequently seen insect pests of trees & shrubs in the landscape during the 2020 growing season. This presentation will provide tips and tricks for diagnosing insects in the field as well...

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12/4/20
Social Media & Urban Forestry: Getting the Word Out

Jennifer Byerly, Project Learning Tree, will discuss how social media platforms like Twitter, Instagram, LinkedIn and Facebook offer arborists the opportunity to foster an interest in, and awareness of, urban trees. 

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12/4/20
An Intro to Mapping & Spatial Data Applications for Arborists

Forrest Bowlick, Ph.D., Univ of Massachusetts, introduces and outlines the science and practice of digital map-making and spatial techniques for arborists & urban foresters. 

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12/4/20
Measuring multi-stemmed trees

Diameter at Breast Height (DBH) is an enormously important metric for foresters, arborists, researchers, contractors, and the general public. With single-stemmed species, it is used to estimate timber volume, biomass, ecosystem services, and...

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11/12/20
Using botanic gardens and arboreta to help identify urban trees for the future

Diversification of urban forests is essential to enhance their resilience to future biotic
threats as well as those posed by a changing climate. Arboreta and botanic gardens
host a wide range of plant material that can be evaluated to...

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11/9/20
Millions, Billions, and Trillions - Do You Have the Tools to Keep New Trees Alive?

To keep pace with the increasing impacts of climate change, people across the country are planting more and more trees. But how will you track these trees to make sure you get the optimal return on this investment of time and resources? Join us for a...

Resource
11/2/20
The state of the world’s urban ecosystems: What can we learn from trees, fungi, and bees?

Positive interactions between people and nature inspire behaviours that are in harmony
with biodiversity conservation and also afford physical and mental health benefits.
Since most people live in towns and cities, urban greenspaces are...

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10/9/20

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