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Epizootiology of leptospirosis in some wild mammals in western Oregon

Creator:: Stewart, Thomas Walter
Abstract:: Two hundred thirteen mammals were captured on two study areas between April 1976 and August 1977. Samples of urine and kidney tissue from 202 mammals were cultured on media suitable for leptospiral growth. Leptospiral organisms were not isolated from tissue cultures. Sera from 88 mammals were examined by the microscopic...
Resource Type:: Masters Thesis
Full Text:: western Oregon AN ABSTRACT OF THE THESIS OF Thomas Walter Stewart for the degree of Master of Science

Assessing Apparent Effects on Survival and Movement of Desert Bighorn Sheep (Ovis canadensis nelsoni) Following a Pneumonia Outbreak

Creator:: Dekelaita, Daniella J.
Abstract:: In the western United States, bighorn sheep (Ovis canadensis) have suffered major die-offs in every state since the mid-1800s, and disease from domestic sheep (Ovis aries) has been a primary factor in these events. Beginning in the early 1900s, poly-factorial, poly-microbial pneumonia was identified as a major disease affecting bighorn...
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE DISSERTATION OF Daniella J

Headwater stream macroinvertebrates of the H.J. Andrews Experimental Forest, Oregon

Creator:: Frady, Charles H.
Abstract:: Recent studies of headwater streams have demonstrated their importance to overall watershed biodiversity, nutrient cycling, and energy flux. However, little attention has been paid to long-term effects of forest harvest on macroinvertebrate communities in headwater streams. This study investigated headwater stream macroinvertebrate communities in the H.J. Andrews Experimental Forest, Oregon,...
Resource Type:: Masters Thesis
Full Text:: identified to genus when possible (Brown 1972, McAlpine et al. 1981, Stewart and Stark 1993, Merritt and

Exercise and acid-base balance in rainbow trout

Creator:: Meyerhoff, Roger Dean
Resource Type:: Dissertation
Full Text:: BALANCE IN RAINBOW TROUT Abstract approved: La'rn J. Weber Acid-base balance in ammoniotelic fish can

The relationship between stream habitat complexity and anadromous salmonid diversity and habitat selection

Creator:: Chen, Glenn K.
Resource Type:: Dissertation
Full Text:: (1987), Finger and Stewart (1987), Bain et al. (1988), and Poff and Allen (1995) described patterns of

Heterogeneous thermal habitat for northeast Oregon stream fishes

Creator:: Ebersole, Joseph L.
Abstract:: Discrete coldwater patches within warm streams provide potential thermal refuge for coldwater fishes during periods of heat stress. This analysis focused on heterogeneity in stream water temperatures as influenced by local influx of cooler subsurface waters. Using field thermal probes and recording thermistors, we identified and characterized coldwater patches potentially...
Resource Type:: Dissertation
Full Text:: Thermal Habitat for Northeast Oregon Stream Fishes. Abstract approved: William J. Liss Discrete

The effects of natural fire and recreational disturbance on montane forest ecosystem composition, structure and nitrogen dynamics, Crater Lake National Park, Oregon

Creator:: Wilson, John K. (John Kevin)
Abstract:: Disturbance, whether natural or of human origin, modifies to varying degrees many ecosystem attributes. Fire is a natural process in the montane forests of southern Oregon but for much of the 20th century fire was viewed as an apocalypse and thus fervently suppressed. Effective natural resource management requires an understanding...
Resource Type:: Dissertation
Full Text:: approved: J. Boone Kauffman Disturbance, whether natural or of human origin, modifies to varying

Forests to floodplain meadows : detrital dynamics in two headwater streams

Creator:: Brookshire, E. N. Jack
Resource Type:: Masters Thesis

A hierarchical stream habitat classification system: development and demonstration

Creator:: Frissell, Christopher A.
Abstract:: Classification of Streams and stream habitats is useful for research involving establishment of monitoring stations, determining local impacts of land use practices, generalization from site-specific data, and assessment of basin-wide, cumulative impacts of human activities on streams and their biota. This thesis presents a framework for a hierarchical classification system,...
Resource Type:: Masters Thesis
Full Text:: below. W. J. Liss--Collaborated in development of the conceptual approach to classification, and

Hydrologic and vegetation responses associated with restoration of wetlands in the Willamette Valley, Oregon

Creator:: Coleman, Gregory A.
Abstract:: I examined hydrological and plant community changes associated with the implementation of a restoration management plan in two riparian meadows located within an agricultural landscape of the central Willamette Valley, Oregon. I established exclosure fencing (a form of passive restoration) in one agricultural field and established fencing and plugged a...
Resource Type:: Masters Thesis
Full Text:: major advisor J. Boone Kauffman for his support, ideas, time, and encouragement during this project. I

ScholarsArchive@OSU

Epizootiology of leptospirosis in some wild mammals in western Oregon

Assessing Apparent Effects on Survival and Movement of Desert Bighorn Sheep (Ovis canadensis nelsoni) Following a Pneumonia Outbreak

Headwater stream macroinvertebrates of the H.J. Andrews Experimental Forest, Oregon

Exercise and acid-base balance in rainbow trout

The relationship between stream habitat complexity and anadromous salmonid diversity and habitat selection

Heterogeneous thermal habitat for northeast Oregon stream fishes

The effects of natural fire and recreational disturbance on montane forest ecosystem composition, structure and nitrogen dynamics, Crater Lake National Park, Oregon

Forests to floodplain meadows : detrital dynamics in two headwater streams

A hierarchical stream habitat classification system: development and demonstration

Hydrologic and vegetation responses associated with restoration of wetlands in the Willamette Valley, Oregon

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