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Estimating Habitat-Specific Abundances of PIT-Tagged Juvenile Salmonids Using Mobile Antennas: A Comparison with Standard Electrofishing Techniques in a Small Stream

Creator:: Sloat, Matthew R., Baker, Peter F., and Ligon, Franklin K.
Abstract:: The use of passive integrated transponder (PIT) tags in ecological studies is increasingly common, but evaluations of their performance and range of application in the field are still emerging. Here, we compare habitat unit–scale abundance estimates of PIT-tagged juvenile coho salmon Oncorhynchus kisutch and steelhead O. mykiss derived from multiple-pass...
Resource Type:: Article
Full Text:: Stillwater Sciences, 2855 Telegraph Avenue, Suite 400, Berkeley, California 94705, USA Franklin K. Ligon

Morphological changes in introduced eastern cottontails in Oregon

Creator:: Rhodes, Mark Nicolas
Abstract:: Descendants of eastern cottontails from Ohio (Sylvilagns floridanus) introduced in Benton County, Oregon and cottontails from Ohio were sampled and analyzed morphometrically and colorimetrically. In general, Oregon cottontails were smaller and lighter in color than Ohio rabbits. Introgression and interspecific competition with the smaller and darker colored native brush rabbit...
Resource Type:: Masters Thesis
Full Text:: for handling missing data in multivariate analysis. Psychometrika, 41:409-415. Franklin, J. F., and

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

Cumulative effects of land use on salmon habitat in southwest Oregon coastal streams

Creator:: Frissell, Christopher Andrew, 1960-
Abstract:: As part of a hierarchical approach to classifying watersheds and stream habitats based on geomorphic and geologic criteria, we defined ten classes of fluvial and lacustrine habitats at the scale of valley segments. Valley segments are landscape units which encompass surface waters and the adjacent floodplains and hillslopes with which...
Resource Type:: Dissertation
Full Text:: Privacy Li William J. Liss As part of a hierarchical approach to classifying watersheds and stream

Streamside forests, channel constraint, large woody debris characteristics, and pool morphology in low order streams, Blue Mountains, Oregon

Creator:: Cordova, Jerry J.
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Jerry J. Cordova for the degree of

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:: both vegetation types (Franklin and Dyrness 1973). Deciduous leaves with high nitrogen content

Evaluation of baits and baiting techniques for Belding's ground squirrels

Creator:: Sullins, George Lamont
Abstract:: Quantitative data concerning bait preference and bait application were collected for Belding's ground squirrels (Spermophilus beldingi) during February-July 1975. Bait materials tested for preference were crimped oats, oatgroats, whole wheat, barley, rolled wheat, rye, chopped lettuce, chopped apple, oatgroats + Rhodamine B dye, oatgroats + starch paste, oatgroats + Rhoplex...
Resource Type:: Masters Thesis
Full Text:: BAITS AND BAITING TECHNIQUES FOR BELDING'S GROUN'6-2S Redacted for Privacy- Abstract approved: 113. J

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:: . Vegetatio 4:412-417. Franklin, J. F. 1965. Ecology and silviculture of the true fir-hemlock forests of

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

Dynamics of a population of Belding's ground squirrels in Oregon

Creator:: Costain, David Bruce
Resource Type:: Masters Thesis
Full Text:: POPULATION OF BELDING'S GROUND SQUIRRELS IN Abstract approved: r 13. J. Verts Density, natality, survival

ScholarsArchive@OSU

Estimating Habitat-Specific Abundances of PIT-Tagged Juvenile Salmonids Using Mobile Antennas: A Comparison with Standard Electrofishing Techniques in a Small Stream

Morphological changes in introduced eastern cottontails in Oregon

Heterogeneous thermal habitat for northeast Oregon stream fishes

Cumulative effects of land use on salmon habitat in southwest Oregon coastal streams

Streamside forests, channel constraint, large woody debris characteristics, and pool morphology in low order streams, Blue Mountains, Oregon

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

Evaluation of baits and baiting techniques for Belding's ground squirrels

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

Exercise and acid-base balance in rainbow trout

Dynamics of a population of Belding's ground squirrels in Oregon

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