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Stream habitat classification and restoration in the Blue Mountians of northeast Oregon

Creator:: Ebersole, Joseph Lamar
Abstract:: The restoration of rivers and streams should be based on a strong conceptual framework. Streams are developing systems. As such, streams exhibit temporal behaviors that change with changing stream environments. Underlying the dynamic development of streams is potential capacity. Streams express this capacity as an array of habitats over time...
Resource Type:: Masters Thesis

Changes in size and age at maturity of Columbia River upriver bright fall chinook salmon (Oncorhynchus tshawytscha) : implications for stock fitness, commercial value, and management

Creator:: Beaty, Roy E.
Abstract:: The average size and age of chinook salmon (Oncorhynchus tshawytscha) caught in commercial fisheries along the Pacific Coast of North America have decreased substantially in this century. These declines might be caused in part by changes in size and age at maturity within the stocks contributing to those fisheries. Upriver...
Resource Type:: Masters Thesis
Full Text:: Redacted for Privacy Ibliam J. Liss The average size and age of chinook salmon (Oncorhynchus tshawytscha

Seasonal changes in distribution and abundance of salmonids and habitat availability in a coastal Oregon basin

Creator:: Sleeper, Jack David
Abstract:: Visual estimation techniques were used to quantify habitat characteristics, habitat type (pool, riffle) use and longitudinal distribution of steelhead (Oncorhynchus mykiss), cutthroat trout (0. clarki), and coho salmon (0. kisutch) in spring, summer and fall in 8.8 km of Cummins Creek, a basin in the central coast of Oregon. Fish...
Resource Type:: Masters Thesis
Full Text:: and Gee 1964; Hartman 1965; Everest and Chapman 1972; Bustard and Narver 1975; Bisson et al. 1982

Pool habitat characteristics and juvenile anadromous salmonids in two Oregon coastal streams

Creator:: Haapala, Deborah L.
Abstract:: Relations between the diversity of juvenile anadromous salmonids and pool features were examined in a managed and a pristine watershed in Oregon during the summer of 1990. There were no differences (p>0.05) in pool depth, velocity or pool wood volumes between streams. However, the pristine system had twice the number...
Resource Type:: Masters Thesis
Full Text:: . clarki clarki) abundances in unconfined channels (Moore and Gregory 1989). McMahon and Hartman (1989

Geographical and seasonal variation in diel habitat use by juvenile (age 1+) steelhead trout (Oncorhynchus mykiss) in Oregon coastal and inland streams

Creator:: Grunbaum, Jon Benjamin
Resource Type:: Masters Thesis
Full Text:: (Oncorhynchus kisutch) and steelhead trout (0. mykiss), (Hartman, 1965; Bustard and Narver, 1975), rainbow

Juvenile coho salmon movement, growth and survival in a coastal basin of southern Oregon

Creator:: Weybright, Adam D.
Abstract:: Juvenile salmonids display highly variable spatial and temporal movement patterns that are influenced by density dependent (e.g., competition, predation) and density independent (e.g., genetics, stream discharge, physical habitat conditions) factors. The effects of these factors differ with fish life history stage, but will ultimately affect how salmonids utilize freshwater nursery...
Resource Type:: Masters Thesis
Full Text:: factors, such as stream discharge (Hartman et al. 1982, Healey 1980, Gowan and Fausch 1996), resource

Seasonal changes in distribution of coastal cutthroat trout in an isolated watershed

Creator:: Hendricks, Steve
Abstract:: In an effort to identify seasonal distribution patterns and habitat requirements of coastal cutthroat trout Oncorhynchus clarki clarki, movement of tagged and marked individuals (35 radio-tagged, 753 PIT-tagged, and 5,322 fin-clipped) was monitored over a 14-month period in an isolated watershed in southwestern Oregon. Emigration out of the basin was...
Resource Type:: Masters Thesis
Full Text:: upstream into small ephemeral tributaries that are less affected by high flows (Hartman and Brown 1987

Patterns of coastal cutthroat trout survival in two headwater stream networks

Creator:: Berger, Aaron M.
Abstract:: Mark-recapture methods were used to examine watershed-scale survival rates of coastal cutthroat trout (Oncorhynchus clarkii clarkii) from two headwater stream networks located in the foothills of the Cascade Mountain Range, Oregon. Differences in survival were explored among spatial (stream segment, stream network [main stem or tributaries], and watershed) and temporal...
Resource Type:: Masters Thesis
Full Text:: occasion; j = recapture occasion). .......... 70 Patterns of Coastal

Effects of Synchronous Low Flow and Temperature Maxima on Coastal Cutthroat Trout and Coastal Giant Salamander: An Experimental Approach

Creator:: Tinoco Pickens, Francisco Andrew
Abstract:: As regional climates warm in the Pacific Northwest, USA, flow minima and temperature maxima may become more synchronous in headwater streams over time. The dual stresses from lower flows and warmer temperatures will be energetically costly for cold-water species such as Coastal Cutthroat Trout and Coastal Giant Salamander. Individual fates...
Resource Type:: Masters Thesis
Full Text:: habitat in which ecological interactions occur (Hakala & Hartman, 2004). For smaller streams, low-flow

Floodplain emergent wetlands as rearing habitat for fishes and the implications for wetland enhancement

Creator:: Henning, Julie A.
Abstract:: Seasonal emergent wetlands in the Pacific Northwest have not been regarded traditionally as fish rearing habitat, despite access to such habitat when river flows overtop riverbanks and connect to the floodplain. As a result, restoration and enhancement projects to remediate for the loss of such wetland habitat are being implemented...
Resource Type:: Masters Thesis
Full Text:: sampling season. Disciissinn 800 700 [.1111] .-. 500 ,u) 400 0 300 1iIiJ 100 [i ONDJ FMAMJ J

ScholarsArchive@OSU

Stream habitat classification and restoration in the Blue Mountians of northeast Oregon

Changes in size and age at maturity of Columbia River upriver bright fall chinook salmon (Oncorhynchus tshawytscha) : implications for stock fitness, commercial value, and management

Seasonal changes in distribution and abundance of salmonids and habitat availability in a coastal Oregon basin

Pool habitat characteristics and juvenile anadromous salmonids in two Oregon coastal streams

Geographical and seasonal variation in diel habitat use by juvenile (age 1+) steelhead trout (Oncorhynchus mykiss) in Oregon coastal and inland streams

Juvenile coho salmon movement, growth and survival in a coastal basin of southern Oregon

Seasonal changes in distribution of coastal cutthroat trout in an isolated watershed

Patterns of coastal cutthroat trout survival in two headwater stream networks

Effects of Synchronous Low Flow and Temperature Maxima on Coastal Cutthroat Trout and Coastal Giant Salamander: An Experimental Approach

Floodplain emergent wetlands as rearing habitat for fishes and the implications for wetland enhancement

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