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The Pacific Lamprey Conservation Initiative has three key components: the Assessment and Template for Conservation Measures; the Conservation Agreement; and Regional Implementation Plans.

The Assessment identifies critical uncertainties regarding lamprey life history and improves the scientific understanding of the importance of Pacific Lamprey in ecosystems of the Unites States.


  • 2008 PLCI Work Session Proceedings


    The U.S. Fish and Wildlife Service (USFWS) hosted the Pacific Lamprey Conservation Initiative Work Session on October 28-29, 2008 in Portland, Oregon. The purpose of the Work Session was to bring managers and scientists with various skills and expertise together to facilitate communication on the current status and ongoing efforts to conserve Pacific lamprey (Lampetra tridentata) and to begin development of a collaborative, range-wide Conservation Plan.

    The general objectives of the Work Session were: 1) to develop an outline of existing knowledge, data, and information about Pacific lamprey; and 2) to identify uncertainties or knowledge gaps related to these topics.

    Proceedings PDF
  • Pacific Lamprey Assessment and Template for Conservation Measures


    This Assessment; identifies critical uncertanties regarding lamprey life history; tracks current knowledge of habitat requiriements, abundance, distribution; describes threats and factors for decline;and identifies conservation actions.

    Key Conclusions:

    There is a regionwide decline in abundance and distribution of Pacific Lamprey.

    Threats include passage barriers, streamflow management, stream and floodplain degredation and reduced water quality.

    Assessment and Template
  • Pacific Lamprey Assessment and Template for Conservation Measures in California


    Because Pacific Lamprey are widely distributed across a large area, the approach for the California Assessment has been to divide the assessment into sub-regional components.

    Assessment and Template for CA
  • Data Clearinghouse


    The goal of this project is to enable and enlist our partners to address information needs identified in the Pacific Lamprey Conservation Agreement to promote Pacific Lamprey conservation. This will be accomplished by: 1) collaboratively collecting occupancy and distribution data; and 2) providing a Pacific Lamprey data clearinghouse for all partners. Link text...

  • Partner Pacific Lamprey Assesments


    Several partners have worked to create pacific lamprey assessments outside of the initiative process. These important documents supplement the analysis conducted for the assessment listed above.

    CRITFC, USACE, Cow Creek, ODFW Conservation plans, IDFG plan? Partner Assesments

Last Updated: June 22, 2016
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