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Filtering by: Subject Tualatin River Watershed (Or.) File Format application/pdf License All rights reserved

Selected elements and organic chemicals in bed sediment and fish tissue of the Tualatin River Basin, Oregon, 1992-96

Creator:

Bonn, Bernadine A., Washington County (Or.). Unified Sewerage Agency., and Geological Survey (U.S.)

Abstract:

The U.S. Geological Survey (USGS) has worked cooperative with the Unified Sewerage Agency of Washington County (USA) since 1990 to assess water quality in the Tualatin River Basin. The objectives of this study were to: assess the occurrence and magnitude of trace element and selected organic contaminants in streams of...

Resource Type:

Technical Report
Revegetation with Carex nebrascensis and Carex utriculata following reconstruction in a NE Oregon meadow stream

Creator:

Quistberg, Sarah E.

Abstract:

Riparian vegetation is an essential component for the maintenance and/or repair of channel stability and function. Sedges within low-gradient riparian systems provide the structure necessary for sediment trapping leading to channel narrowing through bank building processes. Planting success in riparian restoration projects has often failed due to inappropriate species selection,...

Resource Type:

Masters Thesis

Full Text:

essential component for the maintenance and/or repair of channel stability and function. Sedges within
Spatial patterns of fuel management activities and their effects on wildfire behavior

Creator:

Kim, Young-Hwan

Abstract:

Fuel management has been used as an effective local strategy to reduce the undesirable consequences of wildfires. Many efforts toward scheduling of fuel management activities across a broader landscape have been proposed, with the hope of achieving larger landscape-scale management effects. However, scheduling of fuel management treatments across the broader...

Resource Type:

Dissertation

Full Text:

site is a large watershed, the Grand Ronde River basin (approximately 178,000 hectares) in