Index Catalog // ScholarsArchive@OSU

Small mammal assemblages in natural and restored wet prairies: an evaluation of habitat in Oregon's Willamette Valley

Creator:: Slane, Lori B.
Abstract:: This study was conducted to explore differences in diversity and abundance of small mammal populations in natural and restored wet prairies in Oregon's Willamette Valley. Mammals were live-trapped in eight Willamette Valley wet prairies (four natural remnants and four restorations) during the summer of 2000; population abundance estimates for each...
Resource Type:: Capstone Project
Full Text:: Sampling Site Reference Map, Willamette Valley, Oregon

Geology, flooding & human activities : establishing a hierarchy of influence for controls on historic channel change, Willamette River, Oregon

Creator:: Wallick, Jennifer Rose
Abstract:: Channel evolution and influences of changing floodplain characteristics, heterogenous bank materials, and altered flow regimes were examined along the Willamette River, a large alluvial river in northwestern Oregon. The Willamette River is composed of a series of geomorphically diverse reaches, which have each evolved uniquely in the century following Euro-American...
Resource Type:: Masters Thesis

Riparian cover changes associated with flow regulation and bank stabilization along the Upper Willamette River in Oregon between 1939 and 1996

Creator:: Gutowsky, Sharon L.
Abstract:: This study investigates riparian cover change between 1939 and 1996 utilizing aerial photography, bank conditions and stream gauge data. Three sites under 1.0 km2, along a 10- km reach north of Harrisburg, Oregon, were evaluated. The cover classification scheme included 18 classes composed of 3 canopy densities and 8 structural...
Resource Type:: Masters Thesis

The development and analysis of future agricultural landscapes

Creator:: Berger, Patricia A.
Abstract:: Alternative futures studies provide a way for policy-makers and stakeholders to investigate the future impacts of different management strategies by providing representations of possible outcomes. An alternative futures study was undertaken by the Pacific Northwest-Ecosystem Research Consortium for the Willamette River Basin, Oregon, USA, to determine how this regional system...
Resource Type:: Dissertation
Full Text:: study was undertaken by the Pacific Northwest-Ecosystem Research Consortium for the Willamette River

Relationships, communication, and power in Willamette Valley watershed councils : toward building resilient collaborative pathways

Creator:: Myhre, Andrea L.
Abstract:: The purpose of this research is to investigate how stakeholders involved in collaborative watershed groups in Oregon work with each other to form ideas and take action. Most collaboration efforts include encouraging a high level of trust with a great value placed on relationships and partners, being open and flexible,...
Resource Type:: Masters Thesis
Full Text:: Anthropology presented on February 24th 2006. Title: Relationships, Communication, and Power in Willamette

Land cover change along the Willamette River, Oregon

Creator:: Oetter, Doug Rudolph, 1962-
Abstract:: The Willamette River and its floodplain in northwest Oregon have changed dramatically since European settlement. At one time, the river was a vast complex system of braided channels with a broad floodplain forest; it has now been simplified by channelization and dams, and the forest has been removed to support...
Resource Type:: Dissertation

Potential for Conservation and Restoration of Western Pond Turtle Habitat in the Willamette River Basin, Oregon : Project report to the Western Pond Turtle Working Group

Creator:: Adamus, Paul R.
Abstract:: This document provides an updated perspective on the distribution of the species in the Willamette River Basin, based on new field surveys, literature review, and contacts with other biologists and landowners. It also presents recommendations for additional monitoring and research.
Resource Type:: Technical Report
Full Text:: type for turtles. In the Willamette River Basin turtles are frequently sighted where ponds or rivers

Learning to address complexity in natural resource management

Creator:: Kakoyannis, Christina
Abstract:: Conventional natural resource management has struggled with effectively addressing dynamically complex natural resource issues. Many organizations structured in the rational-analytical paradigm of resource management are becoming increasingly aware that new management approaches are needed. Particularly in a rapidly changing environment, organizational learning is important for promoting an organization's ability to...
Resource Type:: Dissertation

Distribution of bioavailable metals and a human health risk assessment from fish and crayfish in the lower Willamette River, Oregon

Creator:: Krissanakriangkrai, Oraphin
Abstract:: In this study the impact of episodic events on levels of bioavailable trace metals Zn, Cu, Cr, Cd, Pb, and As (III) were determined for the lower Willamette River in Oregon. In addition, a comparison among three alternative methods for estuary sampling was conducted. Potential adverse human health risk associated...
Resource Type:: Dissertation
Full Text:: Willamette River, Oregon Abstract approved: Cathy M. Neumann In this study the impact of episodic events on

Why pest plant control and native plant establishment failed : a restoration autopsy

Creator:: Wilson, Mark V., Ingersoll, Cheryl A., Clark, Deborah Louise, 1950-, and Wilson, Mark G.
Abstract:: Explaining restoration failure can be as important as touting success. We used a series of studies to understand the failure of techniques commonly used to restore wetland prairies in the Willamette Valley of western Oregon. Burning, fallowing, and solarization (covering tilled plots with plastic sheeting to heat the soil) had...
Resource Type:: Article
Full Text:: species, but either did not reduce overall pest plant abundance or reduced the abundance of native

ScholarsArchive@OSU

Small mammal assemblages in natural and restored wet prairies: an evaluation of habitat in Oregon's Willamette Valley

Geology, flooding & human activities : establishing a hierarchy of influence for controls on historic channel change, Willamette River, Oregon

Riparian cover changes associated with flow regulation and bank stabilization along the Upper Willamette River in Oregon between 1939 and 1996

The development and analysis of future agricultural landscapes

Relationships, communication, and power in Willamette Valley watershed councils : toward building resilient collaborative pathways

Land cover change along the Willamette River, Oregon

Potential for Conservation and Restoration of Western Pond Turtle Habitat in the Willamette River Basin, Oregon : Project report to the Western Pond Turtle Working Group

Learning to address complexity in natural resource management

Distribution of bioavailable metals and a human health risk assessment from fish and crayfish in the lower Willamette River, Oregon

Why pest plant control and native plant establishment failed : a restoration autopsy

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