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Limnology of Upper Klamath Lake, Oregon, with emphasis on benthos

Creator:: Hazel, Charles R.
Abstract:: Aspects of the limnology and benthic ecology of Upper Klamath Lake, Oregon, are described emphasizing those features that identify its uniqueness. The lake is large, shallow, and characterized by nuisance abundances of Aphanizomenon flos-aquae and midge flies. Results of this study indicate that it does not stratify and dissolved oxygen...
Resource Type:: Dissertation
Full Text:: late summer, the lake supports a gopd trout fishery. Light penetration is limited with extinction

The migratory pattern of audlt sockeye salmon (Oncorhynchus nerka) in Bristol Bay as related to the distribution of their home-river waters

Creator:: Straty, Richard R.
Abstract:: The individual stocks of sockeye salmon that make up the annual spawning migration to the Bristol Bay region of Western Alaska are produced in the lakes and streams of ten major river systems, which discharge into the bay over a shoreline distance of 120 miles. The hypothesis adopted in this...
Resource Type:: Dissertation
Full Text:: 0 . . 56° C..." / ' 56° 44 4' ... , 14),c I , /k, , ...- _,-,.'...I .,, r. / A'..'`200 i 00

Origin and distribution of the fish fauna of the Harney Basin, Oregon

Creator:: Bisson, Peter Andre
Abstract:: A theory of the origin and distribution of fishes in the Harney Basin is presented. Blitzen River, the hydrographically and ecologically isolated creeks, and the upland tributaries of Silvies River all contain populations derived from the basin's Pleistocene connection with Malheur River of the Snake system. Colonization of many streams...
Resource Type:: Masters Thesis
Full Text:: Barrier Falls We rm Springs CAT LOW VALLEY AL;VO R D DeSE R T formerly received a great deal of

The chronic toxicity of 2,3,7,8-tetra-chlorodibenzo-p-dioxin (TCDD) to five selected aquatic organisms

Creator:: Miller, Richard A.
Abstract:: Five species of aquatic organisms were exposed to TCDD. Lethal effects of initial exposure to coho salmon of 23.4 nanogram TCDD/gram fish wet weight (23.4 ng/g), or equivalent to 100 nanogram per liter (100 ng/l) TCDD in water, for 24 hours were irreversible; 95% mortality occurred in 60 days. Exposure...
Resource Type:: Masters Thesis
Full Text:: time less than either level of exposure or fish size. A positive relationship exists between body

A review of the Gadopsidae, with a description of a new species from Tasmania

Creator:: Parrish, Richard H.
Abstract:: The taxonomic placement of Gadopsidae is discussed and an evaluation of its osteological relationships with related families is given. Similarities to the more primitive genera of the trachinoids, notothenioids, and uranoscopoids are noted and the inclusion of Gadopsidae in the Trachinoidae is recommended. A description of the geological history of...
Resource Type:: Masters Thesis
Full Text:: . in (Degree) Date thesis is presented May 9, 1966 Fisheries Title A REVIEW OF THE GADOPSIDAE. WITH

A dwarfed population of Catostomus rimiculus (Catostomidae: Pisces) in Jenny Creek, Jackson County, Oregon

Creator:: Hohler, David Berry
Abstract:: The population of Catostomus rimiculus from Jenny Creek basin is identified as a dwarfed derivative of the normally much larger C. rimiculus from the Klamath and Rogue River systems. C. rimiculus in Jenny Creek basin are separated from those in the Klamath by a series of 3-10m waterfalls resulting from...
Resource Type:: Masters Thesis
Full Text:: of MASTER OF SCIENCE in FISHERIES AND WILDLIFE presented on April 17, 1981 Title: A DWARFED

The black crappie, Pomoxis nigromaculatus, as a farm pond fish in Oregon

Creator:: Stolte, Lawrence
Abstract:: The black crappie was evaluated as a pond fish in four experimental ponds in the Willamette Valley. Two ponds were stocked with largemouth bass, bluegill sunfish, and black crappie (1:9:3), and two ponds with largemouth bass and black crappie (1:3). Total biomass was greatest in the three-species ponds (80 kg/...
Resource Type:: Masters Thesis
Full Text:: biomass W e i g h t i n G r a m s 700 600 m S00 400 + 300 298 290 250 200 100

A review of the deep water Liparidae from the coast of Oregon and adjacent waters

Creator:: Stein, David L.
Abstract:: Descriptions and distributions are given of 28 species of Liparidae occurring or possibly occurring below 200 m between San Francisco and northern Vancouver Island, with keys for their identifications. Nine genera are included: Careproctus, Elassodiscus, Lipariscus, Nectoliparis, Rhinoliparis, Acantholiparis, Paraliparis, and two new genera are described, Odontoliparis and Osteodiscus. Eight...
Resource Type:: Masters Thesis
Full Text:: A review of the deep water Liparidae from the coast of

Resistance of three freshwater fishes to fluctuating thermal environments

Creator:: DeHart, Douglas Alan
Abstract:: The resistance to elevated temperatures of three species of freshwater fishes, Oncorhynchus kisutch, Rhinichthys osculus nubilus, and Cottus perplexus was studied. Rock Creek and Greasy Creek, Benton County, Oregon, were surveyed to evaluate the nature of thermal stress encountered in the small cold water stream environment. Resistance to constant temperature...
Resource Type:: Masters Thesis

Factors affecting the abundance of fall chinook salmon in the Columbia River

Creator:: Van Hyning, Jack M.
Abstract:: A study of the population ecology of Columbia River fall chinook salmon, Oncorhynchus tshawytscha (Walbaum), was made in an attempt to determine the cause of a serious decline in this run which occurred in the early 1950's. Fluctuations in abundance of major salmon runs the North Pacific were examined to...
Resource Type:: Dissertation
Full Text:: M M A R Y e . . o . . . e e e o e O 80e . o o.. e e. o.. o.. e e. 0. e.. 0 0 0 o e. 386

ScholarsArchive@OSU

Limnology of Upper Klamath Lake, Oregon, with emphasis on benthos

The migratory pattern of audlt sockeye salmon (Oncorhynchus nerka) in Bristol Bay as related to the distribution of their home-river waters

Origin and distribution of the fish fauna of the Harney Basin, Oregon

The chronic toxicity of 2,3,7,8-tetra-chlorodibenzo-p-dioxin (TCDD) to five selected aquatic organisms

A review of the Gadopsidae, with a description of a new species from Tasmania

A dwarfed population of Catostomus rimiculus (Catostomidae: Pisces) in Jenny Creek, Jackson County, Oregon

The black crappie, Pomoxis nigromaculatus, as a farm pond fish in Oregon

A review of the deep water Liparidae from the coast of Oregon and adjacent waters

Resistance of three freshwater fishes to fluctuating thermal environments

Factors affecting the abundance of fall chinook salmon in the Columbia River

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