About Us
100TH MERIDIAN INITIATIVE
Regional
The 100th Meridian Initiative is a cooperative effort between local, state, provincial, regional, tribal, and federal agencies to prevent the westward spread of zebra/quagga mussels and other aquatic nuisance species in North America. The Columbia River Basin Team is comprised of 100th Meridian Initiative partners, primarily in Washington, Oregon, Montana, Idaho, Montana, Wyoming, and British Columbia.
Columbia River Basin (CRB) Team
The next CRB AIS Team Meeting is anticipated for late June 2026 in Montana, likely Missoula or Helena. A 'save the date' notice will be in the events section of the AIS Newsletter once a date and location have been secured.
Meeting Presentations and Agendas - Past CRB Meetings
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Vancouver, WA (January 2026)
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Boise, ID (June 2025)
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Spokane, WA (December 2024)
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Missoula, MT (June 2024)
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Portland, OR (December 2023)
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Boise, ID (June 2023)
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Spokane, WA (December 2022)
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REMOTE (June 2022)
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REMOTE (January 2022)
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REMOTE (June 2021)
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REMOTE (December 2020)
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REMOTE (June 2020)
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Portland, OR (Jan 2020)
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Spokane, WA (Jun 2019)
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Boise, ID (Dec 2018)
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Portland, OR (Jun 2018)
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Portland, OR (Nov 2017)
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Helena, MT (June 2017)
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Portland, OR (Dec 2016)
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Spokane, WA (May 2016)
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Portland, OR (October 2015)
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Spokane, WA (May 2014)
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Vancouver, WA (Oct 2013)
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Vancouver, WA (May 2013)
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Spokane, WA (October 2012)
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Portland, OR (June 2012)
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Boise, ID (March 2012)
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Vancouver, WA (November 2011)
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Vancouver, WA (June 2011)
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Vancouver, WA (February 2011)
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Vancouver, WA (October 2010)
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Spokane, WA (June 2010)
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Vancouver, WA (Feb 2010)
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Vancouver, WA (Oct 2009)
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Vancouver, WA (Jun 2009)
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Vancouver, WA (Feb 2009)
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Portland, OR (Oct 2008)
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Portland, OR (Jun 2008)
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Vancouver, WA (Oct 2007)
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Portland, OR (Jun 2007)
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Vancouver, WA (Feb 2007)
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Vancouver, WA (Oct 2006)
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Vancouver, WA (Jun 2006)
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Vancouver, WA (Feb 06)
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Portland, Oregon (Nov 05)
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Portland, Oregon (June 05)
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Portland, Oregon (April 05)
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Portland, Oregon (Nov 04)
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Portland, Oregon (July 04)
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Portland, Oregon (April 04)
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Boise, Idaho (Dec 03)
Missouri River Basin Team
Previous Meetings
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November 28, 2023, Virtual [Agenda]
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November 15, 2022, Virtual [Agenda]
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November 3, 2021, Virtual [agenda] [presentations]
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November 19, 2020, Virtual [agenda] [meeting notes]
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August 6-7, 2019, Bismarck, North Dakota (Meeting Notes) (Presentations)
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July 19-20, 2017, Omaha, Nebraska [meeting notes]
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July 19-20, 2017, Omaha, Nebraska Missouri River Basin ANS/AIS Team and MRNRC Asian Carp/ANS Committee Meeting [agenda]
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July 26-27, 2016, Bozeman, Montana [agenda]
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July 14-15, 2015, Manhattan, Kansas [meeting minutes]
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June 24-25, 2014, Bismarck, North Dakota [agenda]
Bill Zook Lewis & Clark Evaluation Presentation
State and Provincial Invasive Species Councils
Washington Invasive Species Council
Idaho Invasive Species Council
Montana Invasive Species Council
Oregon Invasive Species Council
Invasive Species Council of British Columbia
Other Groups
North American Invasive Species Network
Center for Invasive Species Prevention
National Environmental Coalition on Invasive Species
Conservation of Arctic Flora and Fauna (CAFF): Arctic Invasive Species