The Confederated Tribes of the Colville Reservation (CCT) through their Okanogan Basin Monitoring and Evaluation Program (OBMEP) has developed EDT models for the Okanogan and Methow subbasins. The EDT model is being used to evaluate habitat for salmon and steelhead and identify priority habitats and limiting factors. The model evaluates habitat across the salmonid life-history to create habitat analogs to the Viable Salmonid Population (VSP) metrics. The model uses available information to assess the impacts of past and future changes in habitat on fish production and weight these decisions based on the certainty in the model inputs.

Links to the OBMEP EDT Report Cards:

More information and reports on EDT can be found at  &

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