About Us

Our Committees


The 4-County CWMA has four active committees that work on various aspects of collaborative weed management. We welcome and encourage new members to participate. See below for more information on how you can join our efforts.


Steering

The Steering Committee is the governing body of the 4-County CWMA. Steering Committee members are representatives from our partner organizations and are elected into their roles. The Steering Committee meets a minimum of four times a year.

Goals and Objectives:

  • Ensure the smooth operation of the 4-County CWMA.

  • Secure stable funding, staffing and other resources.

  • Assist committees in carrying out their work.


Steering Committee Members

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Aaron Shaw
Tualatin Soil and Water Conservation District
2023-2024
Steering Committee Chair / Washington County Representative
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Adrienne St Clair
Metro
2022-2023
Steering Committee Vice Chair / Clackamas County Representative
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Brendan Fordyce
Clackamas Soil and Water Conservation District
4-County CWMA Coordinator
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Sam Leininger
Clackamas Soil and Water Conservation District
Ex Officio
Fiscal Administrator
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Courtney Gattuso
Western Invasives Network
Ex Officio
WIN Coordinator
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Tyler Pedersen
Tualatin Soil and Water Conservation District
2024-2025
Mapping and Data Committee Chair
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Justin Collell
Clark County Noxious Weed Control Board
2022-2023
Clark County Representative
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Chris Aldassy
East Multnomah Soil and Water Conservation District
2023-2024
Multnomah County Representative
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Mitch Bixby
City of Portland - Bureau of Environmental Services
2023-2024
At-Large Representative
Justin Cooley
Clackamas Soil and Water Conservation District
2024-2025
Technical and Scientific Review Committee Chair

Education & Outreach

The Education and Outreach Committee coordinates outreach efforts among weed management practitioners from across the region. We co-create outreach materials and provide a space for sharing outreach techniques and learning from one other.

Goals and Objectives:

  • Maintain a space for sharing and discussing outreach techniques relating to invasive species management.

  • Create opportunities for natural resource management professionals to discuss the latest invasive species management research and strategies.

  • Cultivate the 4-County CWMA’s online and print resources.

We are working on the following projects:

We meet 4-5 times per year and maintain an email list to coordinate our activities.

We welcome you to join our efforts!

Request to Join

If you have any questions or would like to get involved, please reach out to our Education & Outreach Committee Chair(s):


Mapping & Data

The Mapping & Data Committee puts your invasive plant data to work. Our mission is to reduce the costs and increase the effectiveness of invasive species management in the 4-County region through coordinated prioritization, analyses, and communication.

We envision a robust data network made up of CWMA partners and other land managers. Working together, we provide access to invasive species data and maps relevant to invasive species control efforts.

We share information about new technologies and evolving trends in invasive species management. The mapping and data committee promotes data standardization and the use of reliable data collection platforms.

Goals and Objectives:

  • Maintain a forum for information sharing.

  • Increase data contributions.

  • Improve data quality.

  • Increase access to weed distribution maps.

We are working on the following projects:

  • Coordinating priority weed management including data review and map creation.

  • Standardizing data collection across the 4-County CWMA.

  • Promoting invasive species reporting databases like Oregon iMapInvasives, EDDMapS, and other platforms. 

We meet 4-5 times per year and maintain an email list to coordinate our activities. 

Please join us!

Request to Join

If you have any questions or would like to get involved, please reach out to our Mapping & Data Committee Chair(s):

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Tyler Pedersen
Tualatin Soil and Water Conservation District
2024-2025
Mapping and Data Committee Chair
Email Tyler Pedersen
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Eli Staggs
Tualatin Soil and Water Conservation District
2024-2025
Mapping and Data Committee Vice Chair
Email Eli Staggs

Technical & Scientific Review

The Technical and Scientific Review Committee watches for new invasive species, discusses management concerns, and provides a variety of technical insights. We develop resources to assist natural resource management professionals manage invasive species using the most effective, efficient, and environmentally-sensitive management strategies.

Goals and Objectives:

  • Develops, reviews and updates the 4-County CWMA’s Weed List, a compilation of targeted plant species from around the Portland metro region.

  • Provides best management practice information.

  • Researches, discusses, and informs members of emerging scientific issues.

  • Advises mapping and data committee with weed prioritization lists.

We are working on the following projects:

We meet 4-5 times per year and maintain an email list to coordinate our activities.

We welcome you to join our efforts!

Request to Join

If you have any questions or would like to get involved, please reach out to our Technical & Scientific Review Committee Chair(s):

Justin Cooley
Clackamas Soil and Water Conservation District
2024-2025
Technical and Scientific Review Committee Chair
Email Justin Cooley