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Effects of X- and gamma irradiation on the juvenile pacific oyster, Crassostrea gigas

Creator:: Trenholm, Steve Ray
Abstract:: Two separate studies were conducted during this research project. Oysters were irradiated with 500 and 1000 rads and 5, 10, 20, 50, 75, 100, 150, and 200 krads in the first study in order to determine the effects of ionizing radiation on survival and growth rates. Two periods of high...
Resource Type:: Masters Thesis
Full Text:: (cumulative dose of 71.7 krads) appeared to have no effect on growth of the scallops during the 84 days they

The effects of concentration and particle size of suspended materials on growth and condition of the Pacific oyster (Crassostrea gigas)

Creator:: Wilson, William Joseph
Abstract:: The effects of exposure to suspended silt, kaolin and fuller's earth on growth and condition of Pacific oysters, 16 months of age, were studied. The exposure apparatus maintained a continuous flow of turbid water through chambers containing test oysters. Additional studies measured the filtration rates of oysters exposed to suspended...
Resource Type:: Masters Thesis
Full Text:: man's activities may have on this aspect of estuar- ine water quality, it is both appropriate and

Growth and production of salmonids exposed to a stabilized Kraft mill effluent in experimental stream channels

Creator:: Mower, Barry Francis
Abstract:: The growth and production of brown trout, Salmo trutta Linnaeus, exposed to a concentration of 0.65 mg/l BOD (4.1 percent by volume) stabilized kraft mill effluent (KME) were studied from October 1973 until May 1974 in three experimental stream channels located near a kraft mill in Albany, Oregon. Growth rate...
Resource Type:: Masters Thesis

Effects of primary treated and biologically stabilized kraft mill effluents on the production, biomass and growth rates of juvenile salmonids in three stream channels

Creator:: Borton, Dennis Leland
Resource Type:: Dissertation
Full Text:: taxonomic groups, and weighed. There was no effect on the production of salmonids when primary KME entered

Predator-prey interactions under the influence of ammonia

Creator:: Woltering, Daniel Mark
Abstract:: Predator-prey interactions, as measured by the consumption and growth rates of a predator (Micropterus salmoides) and by the observed activities of both predator and prey (Gambusia affinis), were found to be sensitive to sublethal levels of ammonium chloride (reported as unionized ammonia NH₃). One bass and 15, 30, 60 or...
Resource Type:: Masters Thesis

The dynamics of exploited guppy populations exposed to dieldrin

Creator:: Liss, William J.
Abstract:: Sixteen populations of guppies (Poecilia reticulata) were established in laboratory aquariums. Eight populations were exposed to dieldrin at a mean concentration of 0.525 ppb in the water and 2.11 ppm in the food, tubificid worms. Eight populations received control water and food. All populations were fed three grams of tubificid...
Resource Type:: Masters Thesis

BOD and toxicity of log leachates

Creator:: Atkinson, Sheridan William
Abstract:: A series of log storage experiments were conducted to determine whether leachates derived from water storage of logs are acutely toxic to fish. Log segments approximately 18 inches long and 16 inches in diameter were stored in tanks and held submerged for a period of 7 days. The holding water...
Resource Type:: Masters Thesis
Full Text:: synthetic samples. 29 3 The effect of mercury concentration and exposure time on mortality of rainbow trout

Influence of 2,4-dichlorophenol on the flavor of fish

Creator:: Palensky, John R.
Abstract:: A laboratory investigation was performed to determine the influence of 2,4-dichlorophenol on the flavor of fish. The study was conducted at the Oak Creek Fisheries Laboratory of the Department of Fisheries and Wildlife, Oregon State University. The three experimental apparatus used in this study were designed to deliver 250 ml/min...
Resource Type:: Masters Thesis

Phases I and II : effects of pulp and paper mill effluents on growth and production of fish

Creator:: Warren, Charles E., 1926- and Oregon State University. Dept. of Fisheries and Wildlife
Abstract:: Project No. B-013-ORE
Resource Type:: Technical Report
Full Text:: have little or no direct effect on the relationship between the food con- sumption and growth rates of

Phases I and II : effects of pulp and paper mill effluents on growth and production of fish : summary of progress

Creator:: Warren, Charles E., 1926-, Oregon State University. Dept. of Fisheries and Wildlife, and Oregon State University. Water Resources Research Institute
Abstract:: Research Grant Numbers B-004ORE and B-013-ORE. For period from July 1, 1966 through October 31, 1971.
Resource Type:: Technical Report
Full Text:: direct effect on the amount of food a fish will consume as well as on its utilization of food for

ScholarsArchive@OSU

Effects of X- and gamma irradiation on the juvenile pacific oyster, Crassostrea gigas

The effects of concentration and particle size of suspended materials on growth and condition of the Pacific oyster (Crassostrea gigas)

Growth and production of salmonids exposed to a stabilized Kraft mill effluent in experimental stream channels

Effects of primary treated and biologically stabilized kraft mill effluents on the production, biomass and growth rates of juvenile salmonids in three stream channels

Predator-prey interactions under the influence of ammonia

The dynamics of exploited guppy populations exposed to dieldrin

BOD and toxicity of log leachates

Influence of 2,4-dichlorophenol on the flavor of fish

Phases I and II : effects of pulp and paper mill effluents on growth and production of fish

Phases I and II : effects of pulp and paper mill effluents on growth and production of fish : summary of progress

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