Index Catalog // ScholarsArchive@OSU

Characteristics of pools used by adult summer steelhead (Oncorhynchus mykiss) in the Steamboat Creek Basin, North Umpqua River, Oregon

Creator:: Baigun, Claudio Rafael Mariano
Abstract:: This study examined features of deep pool (>0.8 m mean depth) used by adult summer steelhead in Steamboat Creek (1991-1992). Steamboat Creek had a heterogenous thermal profile, with some segments exceeding preferred temperature of steelhead. Deep pools were scarce (4% of the total habitat units) and 39% of them were...
Resource Type:: Masters Thesis
Full Text:: (Oncorhynchus mykiss) in the Steamboat Creek Basin, North Umpqua River, Oregon by Claudio Rafael Mariano

Citizen knowledge and opinions about watershed management in the South Santiam Basin in Oregon

Creator:: Wright, Angela Schaefer
Abstract:: Watershed management is widely recognized as an important component of healthy ecosystems and its success depends on cultivating the good will, stewardship values, and participation of citizens. Because much of the streamside land in Oregon is in private ownership activities on public lands will not be enough to protect salmon...
Resource Type:: Masters Thesis
Full Text:: in the South Santiam basin; Compare the level of knowledge and opinions of watershed council members

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:: watershed council participants, who also trusted the councils to address their ideas and concerns

Breeding site selection by coho salmon (Oncorhynchus kisutch) in relation to large wood additions and factors that drive reproductive success

Creator:: Clark, Steven
Abstract:: The fitness of female Pacific salmon (Oncorhynchus spp.) with respect to breeding behavior can be partitioned into at least four components: survival to reproduction, competition for breeding sites, success of egg incubation, and suitability of the local environment near breeding sites for early rearing of juveniles. Accordingly, breeding sites should...
Resource Type:: Masters Thesis
Full Text:: study was conducted in Little Wolf Creek (area =23.75 km 2 ), a tributary of Wolf Creek in the Umpqua

Summertime water temperature trends in Steamboat Creek Basin, Umpqua National Forest

Creator:: Holaday, Steven A.
Abstract:: The Steamboat Creek basin drains 227 mi² (588 km²) of steep forested terrain into the North Umpqua River of Southwest Oregon, 39 mi (63 km) northeast of Roseburg. Summer base flows for Steamboat Creek average 83 cfs (2.35 m³/sec). Steamboat Creek and its tributaries are considered important to the production...
Resource Type:: Masters Thesis

Passage, migration behavior, and autoecology of adult Pacific lamprey at Winchester Dam and within the North Umpqua River Basin, Oregon, USA

Creator:: Lampman, Ralph Tatsuo
Abstract:: The extensive reduction in adult Pacific lamprey (Entosphenus tridentatus) counts at many hydroelectric dams in the northwestern USA signals a substantial decline in lamprey numbers across the entire region in the past 40 to 50 years. Among the many potential causes of this decline, obstruction of migration routes has likely...
Resource Type:: Masters Thesis
Full Text:: Winchester Dam and within the North Umpqua River Basin, Oregon, USA Abstract approved

Effects of wildfire on growth and demographics of coastal cutthroat trout in headwater streams

Creator:: Heck, Michael P.
Abstract:: Wildfire is a largely terrestrial perturbation broadly recognized as an agent of disturbance and ecological change in forested biomes. Effects of post-fire conditions on biotic components of aquatic systems have been less well-documented, although hypothetically, the two are strongly connected. In fact, the influence of wildfire may be most profound...
Resource Type:: Masters Thesis
Full Text:: the North Umpqua basin of western Oregon. Burn severities ranged from moderate to severe. A

Assessing the Current State of Transboundary Cooperation in the International Columbia River Basin

Creator:: Timboe, Ingrid A.
Abstract:: The Columbia River Treaty (CRT) is often used as an example of how treaties can work to normalize, regulate, and improve the cooperative management of shared water resources between basin countries. Few would argue that, in its limited mandate to regulate hydropower generation and flood risk management for downstream communities,...
Resource Type:: Masters Thesis
Full Text:: the Northwest Power & Conservation Council and the Columbia Basin Trust, in particular John Harrison

A spatially explicit model for allocating conservation efforts : the Grand Ronde River basin, Oregon

Creator:: Watanabe, Michio
Abstract:: The spatial and dynamic pattern of landscape changes has a profound effect on the supply of environmental services, including the provision of habitat for fish and wildlife. Spatial heterogeneity is a common feature of landscapes in the Pacific Northwest, most notably in areas important to the production of salmonid fish...
Resource Type:: Masters Thesis
Full Text:: . Title: A Spatially Explicit Model for Allocating Conservation Efforts: The Grande Ronde River Basin

Life history variation and movement among three populations of redband trout (Oncorhynchus mykiss gairdneri) in the middle Deschutes Basin, Oregon

Creator:: Groves, Kristy L.
Abstract:: Redband trout (Oncorhynchus mykiss gairdneri) are found over a wide range of environmental conditions and are known for their variability in life history traits among watersheds or even within streams. Life history traits and population structure of these trout can be influenced by a variety of anthropogenic changes including habitat...
Resource Type:: Masters Thesis
Full Text:: Basin, Oregon. Abstract approved: Barbara A. Shields Robert E. Olson Redband trout (Oncorhynchus

ScholarsArchive@OSU

Characteristics of pools used by adult summer steelhead (Oncorhynchus mykiss) in the Steamboat Creek Basin, North Umpqua River, Oregon

Citizen knowledge and opinions about watershed management in the South Santiam Basin in Oregon

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

Breeding site selection by coho salmon (Oncorhynchus kisutch) in relation to large wood additions and factors that drive reproductive success

Summertime water temperature trends in Steamboat Creek Basin, Umpqua National Forest

Passage, migration behavior, and autoecology of adult Pacific lamprey at Winchester Dam and within the North Umpqua River Basin, Oregon, USA

Effects of wildfire on growth and demographics of coastal cutthroat trout in headwater streams

Assessing the Current State of Transboundary Cooperation in the International Columbia River Basin

A spatially explicit model for allocating conservation efforts : the Grand Ronde River basin, Oregon

Life history variation and movement among three populations of redband trout (Oncorhynchus mykiss gairdneri) in the middle Deschutes Basin, Oregon

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