Bioenergetics of feeding and growth of largemouth bass in aquaria and ponds

1968-08-09 (iso8601)

DDT and reproductive success of bluebirds and house wrens in Northeastern Oregon

1976-11-30 (iso8601)

Some physiological and biochemical responses of fish to chronic poisoning by cyanide

1965-09-28 (iso8601)

Responses of instrumentally conditioned starlings to aversive acoustic stimuli

1968-08-12 (iso8601)

Production of the reticulate sculpin (Cottus perplexus) and its predation on salmon fry...

1967-07-14 (iso8601)

Behavioral ecology of juvenile coho salmon (O. kisutch) in stream aquaria with...

1966-05-11 (iso8601)

The survival of coho salmon (Oncorhynchus kisutch) from egg deposition to emergence in...

1965-08-12 (iso8601)

Productivity and nesting habitat of Great Basin Canada geese : Umatilla National...

1976-09-21 (iso8601)

Selected aspects of the pharmacodynamics of malathion in Cancer magister Dana

The metabolism of malathion in vivo was studied by injection of adult male Dungeness crab, Cancer magister, with 0.75 [mu]g/g wet weight [³H] malathion. At selected times within 24 hours of injection, subsamples of three crabs were taken for...

1977-03-11 (iso8601)

Metabolism of periphyton communities in two small streams

A technique for estimating gross primary production and respiration of periphyton communities, in situ, in small turbulent streams was developed using a photosynthesis-respiration chamber in a modified "light and dark bottle" method. Trays...

1965-05-12 (iso8601)

Production, nest site selection, and food habits of ospreys on Deschutes National...

A study of population trends, nest site selection, and food habits of ospreys (Pandion haliaetus carolinensis) nesting on the Bend District of the Deschutes National Forest, Oregon, was conducted during 1970 and 1971. Intensive observations were...

1976-01-21 (iso8601)

Biochemical genetic variation among selected populations of chinook salmon...

Biochemical variation in 12 different chinook populations, sampled from 10 hatcheries along the Columbia River and the Oregon coast, was studied with starch gel electrophoresis. An index was used to describe the genetic differences between pairs...

1975-07-17 (iso8601)

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

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. gorbuscha} salmon fed to satiation...

1975-10-30 (iso8601)

Woodpeckers of the Pacific Northwest : their characteristics and their role in the forests

1974-06-05 (iso8601)

Dynamics of a population of mountain cottontail rabbits in central Oregon

Data from 186 mountain cottontail rabbits (Sylvilaus nuttallii) captured 455 times by livetrapping and from 46 rabbits collected by shooting were evaluated to determine monthly densities, survival rates, extent of movements, dispersion in relation...

1974-12-16 (iso8601)

Distribution and survival of coho salmon fry after emigration from natal streams

Large numbers of coho salmon (Oncorhynehus kisutch) fry move downstream shortly after emergence from the gravel in many spawning tributaries. In three small coastal streams of Oregon about eight times more juveniles leave the tributaries as newly...

1974-05-23 (iso8601)

The effects of x-irradiation, diethylstilbestrol, and size at time of release on the...

Precocious male coho are of limited economic value and control of their numbers returning to the hatchery or the increased survival of full-sized adults would be beneficial. Factors influencing early sexual maturation and attempts to suppress this...

1971-05-10 (iso8601)

Effects of logging on the growth of juvenile coho salmon

The objective of this research was to study the effects of increased water temperature characteristic of clearcut watersheds of Pacific coastal streams upon the growth rate of juvenile coho salmon. The natural temperature fluctuations of the...

1971-05-10 (iso8601)

Reproductive rates of copepods in experimental ponds in Oregon

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 used in calculating these...

1970-02-11 (iso8601)

The effects of Kraft mill waste effluents on king and silver salmon

1949 (iso8601)

Distribution of fishes and their relationships to environments in selected coastal...

This study was an investigation to determine the distribution, abundance and general food habits of salmonids and non-game fishes residing in several selected coastal streams, Douglas and Coos Counties, Oregon. The physical conditions that...

1982-03-12 (iso8601)

A hierarchical stream habitat classification system: development and demonstration

Classification of Streams and stream habitats is useful for research involving establishment of monitoring stations, determining local impacts of land use practices, generalization from site-specific data, and assessment of basin-wide, cumulative...

1985-06-10 (iso8601)

The effects of temperature and food availability on energy partitioning and growth in...

1977-04-04 (iso8601)

Effects of sub-lethal levels of pentachlorophenol on the growth and metabolism of a...

1965-04-02 (iso8601)

A dwarfed population of Catostomus rimiculus (Catostomidae: Pisces) in Jenny Creek,...

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...

1981-04-17 (iso8601)