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Measuring multi-stemmed trees

Diameter at Breast Height (DBH) is an enormously important metric for foresters, arborists, researchers, contractors, and the general public.

Resource
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

Resource
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?

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.

Resource
10/9/20
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 G

Resource
9/28/20
Bartlett: Emerald Ash Borer Identification, Biology and Management

Emerald ash borer (Agrilus planipennis) was first discovered in southeastern Michigan in 2002.

Resource
9/9/20
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.

Resource
7/27/20
Fighting Microbes with Microbes to Protect Our Native Trees

Trees constitute the foundation of our natural ecosystems and contribute considerable value to the economy.

Resource
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.

Resource
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.

Resource
7/24/20

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