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Arizona's Urban Forests

  • June 08, 2018
  • 7:30 AM - 2:45 PM
  • 7408 E. Osborn Rd Scottsdale, AZ 85251


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Friday, June 8, 2018

7:30 am - 2:45 pm

Scottsdale Stadium Team Shop

7408 E. Osborn Rd

Scottsdale, AZ 85251

Presented by the Arizona Community Tree Council

6 CEUs

Arizona’s Urban Forests, a program exploring the diversity of tree species, soil issues, strategies for extending the lifespan of urban trees and challenges associated in replacing aging, declining, threatened, and ill-adapted trees in urban forests. See the course outline below or download the schedule.


Diverse Plant Palette Guided Tour.

Arizona’s trees include varieties and cultivars from around the world and the Scottsdale's Civic Center has some very matures species to view. Our Southwest climate is able to host an amazing array of tree and plant species. This guided tour of our diverse Plant Palette will include visual identification and discussion regarding the landscape around the venue.

Southwest Soils and Their Effect on Trees Within our Urban Forest.

Basic soil properties and tree root relations are covered in this session. We will be discussing common urban forest soil problems such as compaction, pH, fertility, and drainage. Also included will be some long-term implications and perspective on how to plan to overcome soil-related problems.

Hazard Tree Evaluation and The Body Language of Trees.

This session will review the potential hazards of trees, how, and why they break, and how they give warning through the silent signs of their body language. We will provide an introduction to this tree body language and an overview how to interpret the symptoms. At the heart of this session we will be using the concept of tree body language to explain the underlying scientific principles.

Diversity of Tree Species for the Southwest Landscape.

Diversity is a main component of a healthy urban forest. Different species are susceptible to different pests and environmental conditions here in the southwest.Many different types of trees that might not be commonly used should be considered as we look to improve a more sustainable urban forest. The more diverse types of tree species that are available to be planted in within the community, the less vulnerable the overall community forest will be to invasive pathogens,disease, climate change, or severe weather impacts. We will look at some of the pallets available for consideration in our Southwest landscape.

Scottsdale's New Tree Inventory System.

Tree inventories help parks departments and other agencies evaluate the health of trees under their care and develop plans for tree maintenance and replacement. They also help identify trends such as species die-off or the onset of tree disease, which can be included in preventative maintenance plans. Inventories also allow staff to create plans for species diversification in parks. Tree inventories can evaluate the economic benefit of trees by demonstrating how each tree contributes to property value, air quality, storm water quality and other environmental factors. We will be specifically focused on the strategic process Scottsdale used to evaluate Inventory System options and lessons learned before, during and after the implementation.

Tree Risk Management a Human Activity......

When a catastrophic tree failure occurs, the injured party may turn to the courts for satisfaction or to recover perceived losses. Generally speaking, judges and juries are most interested in determining if the property owner was negligent, and if a hazard would have been recognizable before the failure. We will look at the very human activity of managing risk around trees and the importance of the concept of duty to exercise reasonable care. Although this is not a legal-review session, we will touch on topics of negligence and other court related terms. We will primarily focus on how systematic inspection protocols are the foundation for the human work of tree risk management.

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