Western Tree Failure Database

@ Dominican University - Guzman Hall
on Thursday, January 9, 2025
in San Rafael, CA


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$190.00

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Join the Western Chapter ISA as we explore the factors contributing to both expected and unexpected failures in California's native trees. This session will cover common stressors, environmental impacts, and case studies to illustrate how and why these trees fail, providing valuable insights for tree management and conservation.

Agenda:

8:30am Registration
9:00am Welcome and Introductions
Larry Costello, Consulting Arborist, Oracle Oak LLC, San Francisco, CA Igor Lacan, Urban Forestry Advisor, UC Cooperative Extension, San Francisco Bay Area
9:15am Tree Failure Case Studies (2)
9:55am Improved Methods for Assessing the Structural Integrity of Trees
Dan Burcham, Assistant Professor, Colorado State University, Fort Collins, CO
10:55am Break
11:15am Predictable and Not-So-Predictable Failures of CA Native Oaks: Observations from the field
John Kipping, Consulting Arborist, Pollock Pines, CA
12:00pm Lunch Provided
1:00pm Tree Failure Case Study (1)
1:20pm Tree Root Excavations: Lessons learned and implications regarding root system stability
Astrid Volder, Professor, Dept. of Plant Sciences, Univ. of California, Davis
2:20pm Break
2:35pm Assessing Risk in Stands of Oregon Ash affected by Emerald Ash Borer: Methods and Concerns
Ryan Gilpin, Principal Consultant, Nidus Consulting, Portland, OR
3:30pm Training for New Cooperators
Katherine Jones, WTFD Manager (treefail@mac.com)

Wanted!
Do you know of an interesting or unusual tree failure? Would you be willing to make a 15-minute presentation at the WTFD Annual Meeting? If so, please contact Larry Costello at larrycostello@me.com with a brief description of the failure (species, type of failure, special circumstances, etc.). After entries have been reviewed, those accepted will be added to the agenda. Please note that case study presenters will receive a complimentary registration to the meeting. Space is limited, so please respond ASAP. Thank you.

Early Registration (through 1/1/25):

  • $165 - WCISA Member
  • $190 - Non-WCISA Member
  • $95 - Student/Senior

Regular Registration (on or after 1/2/25):

  • $200 - WCISA Member
  • $225 - Non-WCISA Member
  • $95 - Student/Senior

CEUs:

  • 5.0 - CA/CTW/MS
  • 2.5 - BCMA-M
  • 2.5 - BCMA-P
  • 1.0 - Optional for Cooperator Training
Location

Dominican University - Guzman Hall
50 Acacia Ave.
San Rafael, CA 94901