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Event Details

How to Manage and Prune Trees for Wildlife

Date: July 10, 2020
Location: Washington Park Arboretum - Graham Visitor's Center, Seattle, Washington, UNITED STATES
Organizer: Pacific Northwest Chapter of ISA
Sponsor: Pacific Northwest Chapter of ISA
Description: In recent years, the tree care industry has embraced many practices regarding wildlife. This workshop provides attendees a review of the newly updated ISA Pruning Best Management Practices (BMPs) recommendations for inspecting nesting wildlife. The new ANSI A300 Pruning Standard lists “managing wildlife habitat” as an objective.

This workshop will train participants in:

Navigating the ISA Pruning BMPs that will help minimize impacts to nesting wildlife.
Best Practices for safely creating habitat using urban forestry.
How to conduct a habitat inspection, including determining habitat value, conducting pre-work nesting surveys, identifying signs of nesting wildlife, determining if nests are active, responding to wildlife emergencies and contacting wildlife biologists when needed.

This 8-hour workshop will involve approximately 60% indoor, classroom instruction and 40% outdoor, hands-on training. Outdoor portions will focus on habitat analysis, pre-work inspections, coronet cuts and artificial cavity creation. Please bring your PPE and hearing protection.

Workshop instructors have been working with the Western Chapter of the ISA to develop BMPs for the tree care industry regarding wildlife. The instructors bring contrasting perspectives to the workshop. Brian is a climbing arborist in Portland with a background in traditional arboriculture. Ryan is a consulting arborist in the San Francisco Bay Area with a background in ecology and conservation.

What to Bring

Hearing inspection


Brian French founded Portland-based Arboriculture International LLC in 2013. He is a climbing ISA Certified Arborist and Qualified Tree Risk Assessor. Serving as coordinator for the Oregon Champion Tree Registry and the Chair of the Portland Heritage Tree Program, he focuses on the preservation of significant, old trees and their associated flora and fauna. As an Audubon Society of Portland volunteer, Brian facilitated various ongoing wildlife habitat projects including salmon habitat restoration, snag development, red tree vole surveys, and developing urban wildlife guidelines.

Ryan Gilpin is the Consulting Ecological Arborist for HortScience | Bartlett Consulting, a division of F.A. Bartlett Tree Expert Company. He is experienced in all phases of tree preservation on a variety of different projects. Ryan’s strengths include strenuous field work, large data set analysis, technical report generation and GIS mapping. Additionally, Ryan specializes in a growing number of environmental services at HortScience | Bartlett Consulting. He is especially interested in creating more habitat for birds in urban forests and minimizing impacts to birds during tree care operations. Ryan co-authored the Tree Care for Wildlife Best Management Practices in California and presents regularly on the topic of trees and birds.
Contact Name: Margo Thorp
Contact Phone: 8003354391
Contact Email:

Seats Available: 35
CEUs available: Yes

Start Date: 8:00 AM, July 10, 2020
End Date: 4:00 PM, July 10, 2020

Address: Washington Park Arboretum - Graham Visitor's Center
2300 Arboretum Drive E
108 Events