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Browsing by Author "Donaldson, John R."

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Bioenergetics and survival of chum (Oncorhynchus keta) and pink (O. gorbuscha) salmon in heated seawater

Kepshire, Bernard Michael (1975-10-30)

The use of heated seawater for enhancing the culture of Pacific salmon was investigated. Food consumption rate, gross food conversion efficiency, growth rate, and survival of chum (Oncorhynchus keta) and pink (O. gorbusc ...
Biology of the blue and tui chubs in East and Paulina Lakes, Oregon

Bird, Franklin Howard (1975-01-29)

This research was conducted on the life history of the blue chub, Gila (Gila) coerulea (Girard), inhabiting Paulina Lake, Oregon, and the tui chub, Gila (Siphateles) bicolor (Girard), East Lake, Oregon. The results ar ...
A classification of the lakes of Oregon : completion report

Donaldson, John R.; Larson, Douglas W.; Malick, James G.; Kavanagh, Ross C. (Corvallis, OR : Oregon State University, 1973-06-01)
A comparative analysis of four Oregon coastal lakes on the basis of description, trophy, and density-dependent functions

Kavanagh, Ross C. (1973-03-06)
A comparison of the reproductive rates of zooplankton in East and Paulina Lakes

Alevras, Ronald Allen (1969-12-18)
A compilation of the named lakes in Oregon, with bibliography

Larson, Douglas W. (Douglas William), 1949-; Donaldson, John R. (Corvallis, OR : Dept. of Fisheries and Wildlife, Oregon State University., 1971)
The effects of water velocity, photoperiod and substrate on the survival and growth of sub-yearling Oregon crayfish (Pacifastacus trowbridgii) Stimpson

Hutton, Mark Irvin (1973-03-28)

In an effort to enhance the possibilities of commercially rearing crayfish (Pacifastacus trowbridgii), the subyearling segment of the life cycle was examined to determine practical ways of increasing survival and growth. ...
The horizontal distribution and vertical migrations of the limnetic zooplankton in Crater Lake, Oregon

Hoffman, F. Owen (1969-05-06)

During the summers of 1967 and 1968 the horizontal distribution and did vertical migrations of zooplankton were studied within the unique environment of Crater Lake. Sampling of the horizontal distribution was done by t ...
On reconciling lake classification with the evolution of four oligotrophic lakes in Oregon

Larson, Douglas W. (Douglas William), 1949- (1970-04-27)
Population dynamics of selected zooplankton in three oligotrophic Oregon lakes

Malick, James G. (1971-04-09)

Selected zooplankton from three oligotrophic lakes in Oregon were studied to determine whether or not their instantaneous birth rates and densities could be used in lake classification. The species of zooplankton studied ...
Reproductive rates of copepods in experimental ponds in Oregon

Lindland, Ronald L. (1970-02-11)

Rates of birth, death and population change were calculated for Cyclops sp. and Diaptornus forbesi in Soap Creek Ponds V-VIII near Corvallis, Oregon during the interval April, 1968 to April, 1969. An egg ratio method was ...

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