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Filtering by: Subject Stream mapping -- Oregon -- Willamette River Academic Affiliation Fisheries and Wildlife

Linkages among land use, riparian zones, and uptake and transformation of nitrate in stream ecosystems

Creator:

Sobota, Daniel J.

Abstract:

Land use alters the physical and biological structure of stream ecosystems and potentially alters their capacity to process nitrogen (N), an essential nutrient that has nearly doubled in abundance on the biosphere during the past century from human activities. In this dissertation, I quantified uptake and transformation of nitrate (NO₃⁻)...

Resource Type:

Dissertation

Full Text:

Willamette River basin, Oregon, USA……………….59 11. (A) Mean daily discharge and temperature and (B) stream
Fish and amphibian use of intermittent streams within the upper Willamette Basin, Oregon

Creator:

Colvin, Randall William

Abstract:

In the fall through spring of 2002/03 and 2003/04, the composition of fish and amphibian communities were examined in intermittent streams in the upper Willamette river basin in western Oregon. I recorded standard aquatic habitat variables and water nutrient concentrations (nitrate and phosphate) and correlated them with fish and amphibian...

Resource Type:

Masters Thesis

Full Text:

were examined in intermittent streams in the upper Willamette river basin in western Oregon. I