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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
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
The pollination services of forests

This document was developed as a contribution to “mainstreaming biodiversity
into agriculture, forestry and fisheries”, as recommended at the 24th Session of the

Resource
6/18/20
Long-term Impacts & Management of Emerald Ash Borer

The results of 14 years of monitoring ash mortality and forest ecosystems in Ohio and Pennsylvania show how EAB has impacted these landscapes.

Resource
4/20/20
Why do Tree Branches Fail?

We will explore how researchers from ecology, forestry and arboriculture have utilized biomechanics to understand how trees contend with the forces mother nature can throw at them during their long-life span.

Resource
4/20/20
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.

Resource
4/13/20

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