Index Catalog // ScholarsArchive@OSU

The wild and scenic river act : problems of implementation in Oregon

Creator:: Root, Ann L.
Abstract:: In 1968, Congress passed the Wild and Scenic River Act creating a system of rivers protected from dams and other development. By 1987, segments of four Oregon rivers were protected by the Wild and Scenic River System: the Rogue, Illinois, Owyhee, and a portion of the Snake along the Idaho...
Resource Type:: Masters Thesis
Full Text:: : Problems of Implementation in Oregon by Ann L. Root A THESIS submitted to Oregon State University in

Aquatic Plant Community Changes in Freshwater Ponds Recently Invaded by Elodea canadensis on the Western Copper River Delta, Alaska

Creator:: Elizabeth, Camarata A.
Abstract:: Establishment of a non-native plant species in new habitats beyond their native range is associated with inherent changes in ecosystem properties. These changes may be dramatic or subdued, and consequences may be positive or negative depending on characteristics and response of the resident ecosystem. Non-native aquatic plant species in the...
Resource Type:: Masters Thesis
Full Text:: : _____________________________________________________ Dennis Albert Establishment of a non-native plant species in new habitats beyond their

Ecophenology and Control of European Frogbit in a Hybrid Cattail Marsh of the St. Marys River, Michigan

Creator:: Wellons, Kathryn C.
Abstract:: Great Lakes coastal wetland communities are threatened by the impacts of invasive plants on ecosystem function and biodiversity. What allows invasive plants to become dominant in invaded communities can be hard to define and context-dependent. Traits associated with invasion success in wetland systems – rapid vegetative growth, competitive superiority in...
Resource Type:: Masters Thesis
Full Text:: : _____________________________________________________________________ Dennis Albert Great Lakes coastal wetland communities are threatened by the impacts

Play behavior in the golden hamster

Creator:: Kreitlow, Jean Louise
Abstract:: Intensive observations were made of play behavior in the young hamster (Mesocricetus auratus) from 14 to 54 days of age. Behavior was recorded using movie film and a multi-channel event recorder. Play was first seen at 14 days of age. The amount of play increased rapidly thereafter, remaining relatively high...
Resource Type:: Masters Thesis
Full Text:: : Dennis L. McDonald Intensive observations were made of play behavior in the young hamster (Mesocricetus

Trichoderma spp. : distribution in stumps infested with Phellinus weirii and growth and antagonism in vitro

Creator:: Goldfarb, Barry
Abstract:: To determine which isolates will most rapidly replace Phellinus weirii in stumps and roots, Trichoderma spp. were isolated from P. weirii-infested stumps and roots, identified, and examined for growth rates and lethal effects on P. weirii in vitro. Phellinus weirii-infested Douglas-fir stumps and stump roots were sampled for microorganisms by...
Resource Type:: Masters Thesis
Full Text:: roots further from the root collar. Trichoderma viride was the species most frequently isolated

Micropropagation of Pyrus rootstocks

Creator:: Yeo, Dennis
Abstract:: The availability of new pear rootstocks could be increased by development of an efficient micropropagation system. Many P. calleryana, P. betulifolia and P. communis rootstocks are resistant to many pear diseases and are graft compatible with leading cultivars. Explains of three potentially useful rootstock selections P. calleryana Decne 'OPR 157',...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Dennis Yeo for the degree of

Western Juniper (Juniperus occidentalis) distribution, Bear Creek Buttes, Deschutes County, Oregon: some possible ecological and cultural influences

Creator:: Frates, Dennis Marshall
Abstract:: Several environmental and cultural factors were studied to explain the distribution of western juniper (Juniperus occidentalis Hook.) in an area one mile northwest of Millican, Oregon. In the study area juniper grows densely on upper south slopes and only sparsely occurs on upper north slopes. Juniper moisture stress was found...
Resource Type:: Capstone Project
Full Text:: CREEK BUTTES, DESCHUTES COUNTY, OREGON: SOME POSSIBLE ECOLOGICAL AND CULTURAL INFLUENCES by DENNIS

Taxonomic studies of the Eucephalus complex of Aster in the Pacific Northwest

Creator:: Thompson, Dennis Dean
Resource Type:: Masters Thesis
Full Text:: the Pacific Northwest AN ABSTRACT OF THE THESIS OF Dennis Dean Thompson for the degree Master of

Kinetics and thermodynamics of CIPC adsorption on several Oregon soils

Creator:: Schreiber, Jonathon Dennis
Abstract:: The objectives of this research were to determine the effects of various soil parameters on the reaction of Isopropyl-N-(3-chlorophenyl)Carbamate (CIPC) with a soil and to relate enthalpy values for the adsorption to chemical or physical bonding mechanisms. Six Oregon soils providing a range of pH, organic matter, clay, iron oxide,...
Resource Type:: Masters Thesis
Full Text:: Oregon soils AN ABSTRACT OF THE THESIS OF JONATHON DENNIS SCHREIBER for the Master of Science in

The effects of the herbicides Diquat and Dichlobenil on pond invertebrates

Creator:: Wilson, Dennis Carl
Abstract:: The acute toxicity of Diquat (1:1-ethylene-2:2' dipyridylium dibromide) and Dichlobenil (2, 6-dichlorobenzonitrile) to six selected pond invertebrates was determined using the median tolerance limit estimation method. Diquat was more toxic to the amphipod, Hyalella azeteca than to the aquatic insects Callibaetis, Limnephilus, Enallagma, Libellula, and Tendipedidae. The addition of mud...
Resource Type:: Masters Thesis
Full Text:: pond invertebrates AN ABSTRACT OF THE THESIS OF DENNIS CARL WILSON for the M. S. (Name) (Degree

ScholarsArchive@OSU

The wild and scenic river act : problems of implementation in Oregon

Aquatic Plant Community Changes in Freshwater Ponds Recently Invaded by Elodea canadensis on the Western Copper River Delta, Alaska

Ecophenology and Control of European Frogbit in a Hybrid Cattail Marsh of the St. Marys River, Michigan

Play behavior in the golden hamster

Trichoderma spp. : distribution in stumps infested with Phellinus weirii and growth and antagonism in vitro

Micropropagation of Pyrus rootstocks

Western Juniper (Juniperus occidentalis) distribution, Bear Creek Buttes, Deschutes County, Oregon: some possible ecological and cultural influences

Taxonomic studies of the Eucephalus complex of Aster in the Pacific Northwest

Kinetics and thermodynamics of CIPC adsorption on several Oregon soils

The effects of the herbicides Diquat and Dichlobenil on pond invertebrates

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