• Bacteria Sample Collection

    Bacteria Sample Collection

  • 2 Collecting a Grab Sample

    Collecting a Grab Sample

  • Particulate Organic Carbon Filtration

    Particulate Organic Carbon Filtration

  • Pouring Off a Sample

    Pouring Off a Sample

  • Removing a Filter

    Removing a Filter

  • Rinsing the Sampling Churn

    Rinsing the Sampling Churn

  • Sampling Bottles and Sampling Churn

    Sampling Bottles and Sampling Churn

  • Sampling for Blue-green Algae

    Sampling for Blue-green Algae

  • Teamwork

    Teamwork

  • Finding Appropriate Habitat

    Finding Appropriate Habitat

  • Periphyton Ready to be Collected

    Periphyton Ready to be Collected

  • Taking Sonde Measurements

    Taking Sonde Measurements

  • Tools of the Trade

    Tools of the Trade

  • Working in the Rain

    Working in the Rain

  • Collecting Periphyton

    Collecting Periphyton

  • Determining Periphyton Cover

    Determining Periphyton Cover

  • Deployed Sonde at Klamath River Above Tully Creek

    Deployed Sonde at Klamath River Above Tully Creek

  • Deployed Sonde at Klamath River Above Turwar

    Deployed Sonde at Klamath River Above Turwar

  • Deployed Sonde at Klamath River Above Weitchpec

    Deployed Sonde at Klamath River Above Weitchpec

  • Deployed Sonde at Trinity River

    Deployed Sonde at Trinity River

  • Deploying the Reference Sonde

    Deploying the Reference Sonde

  • Dissolved Oxygen Calibration

    Dissolved Oxygen Calibration

  • Klamath River Above Turwar

    Klamath River Above Turwar

  • Klamath River Above Weitchpec

    Klamath River Above Weitchpec

  • Probes after Cleaning

    Probes after Cleaning

  • Probes with Biofouling

    Probes with Biofouling

  • Side by Side Comparisons

    Side by Side Comparisons

  •  Sonde Calibration

    Sonde Calibration

  • Sonde with Biofouling

    Sonde with Biofouling

  • Trinity River

    Trinity River