Natural Areas

Natural Areas

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  1. Effects of Beaver Dams on Surface Water Flow During Storm Events in an Urban Landscape

    Urban land-use generally alters the hydrologic cycle, leading to changes in the natural flow regime of local streams. Runoff from impervious surfaces and routing of stormwater to streams causes urban streams to...

  2. Watershed Solutions: Collaborative Problem Solving for States and Communities

    In July 2002, the National Policy Consensus Center (NPCC) hosted a colloquium for people involved in watershed collaborations, academics, and other experts from government and non-profit organizations. Its aim...

  3. Survey of Aquatic Plants in Corps of Engineers Reservoirs

    A survey of aquatic plants in a selected Corps of Engineers reservoirs in Oregon was conducted. Cottage Grove, Dorena, Fern Ridge, Dexter and Willow Creek Reservoirs contained abundant aquatic plants....

  4. Water Supply, Demand, and Quality Indicators for Assessing the Spatial Distribution of Water Resource Vulnerability in the...

    We investigated water resource vulnerability in the US portion of the Columbia River basin (CRB) using multiple indicators representing water supply, water demand, and water quality. Based on the US county...

  5. Informing Oregon's Marine Protected Area (MPA) Baseline: Past and Present Tribal Uses of Marine Resources

    Native American tribes with ancestral land adjacent to the coast have gathered, hunted, and fished marine resources for millennia. In 2012, the state of Oregon designated five marine sites as reserves in which...

  6. Vegetation, Environmental Characteristics, and their Relationships: Variation within the Annually Flooded Riparian Zones of...

    I hypothesized that vegetation and physical environmental characteristics would differ between the upper and lower extents of the annually flooded riparian zone on the John Day River, and that relationships...

  7. Effectiveness of Fuel Treatments for Mitigating Wildfire Risk and Sequestering Forest Carbon: A Case Study in the Lake Tahoe...

    Fuel-reduction treatments are used extensively to reduce wildfire risk and restore forest diversity and function. In the near future, increasing regulation of carbon (C) emissions may force forest managers to...

  8. Urbanization and its Relationship to Water Quality within the Bronson Creek Watershed

    Urbanization and its Relationship to Water Quality within the Bronson Creek Watershed A watershed analysis project was undertaken to investigate the impact of urbanization on the water quality with Bronson...

  9. Northwest Forest Plan The First 20 Years (1994-2013): Watershed Condition Status and Trend

    We used two data sets to evaluate stream and upslope/riparian condition for sixth-field watersheds in each aquatic province within the Northwest Forest Plan (NWFP) area. The stream evaluation was based on...

  10. Estuarine Habitat Mitigation in Oregon: Policy Review, Analysis, and Recommended Improvements

    The report is organized in the following manner. After the introductory chapter (Chapter 1), Chapter Two describes Oregon’s current estuarine policy and related state and federal policies. Chapter Three...

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