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Maintaining the Health of Native Forest Remnants

The Pacific Northwest is home to many native forest remnants—groves of native trees standing in developed areas—that require special attention and care from professionals.

Learn what causes tree health problems, how to address these problems and prevent tree health issues in native forest remnants, along with an overview on forest pests and pathogens found in the Pacific Northwest.

Whether you’re a professional arborist or a landscape manager, you’ll gain valuable professional development with this online course.

Health of Native Trees Overview

By the end of this course, you will learn:

  • Forest pests, pathogens and other issues affecting Pacific Northwest forest health.
  • Types of tree health issues in native forest remnants.
  • How to identify and implement solutions for these specific groves.
On demand. Access any time.
price (2)


Paul D. Ries

Paul D. Ries has over 25 years of urban forestry experience at the municipal, state, national, international, non-profit and academic levels. Currently, he is an Urban Forestry Instructor and Extension Specialist in the College of Forestry at Oregon State University and manages the Urban and Community Forestry Assistance program for the Oregon Department of Forestry. Paul holds a Type 1 national qualification as a public information officer and serves on a state Incident Management Team for wildfires.

Past Students' Work

Take a look at some recent projects our students have created.