A field study on grass field burning was conducted in the
Willamette Valley of Oregon during the summer of 1965. Approximately 243,000 acres of grass fields are burned in the valley during
August and September. Serious air pollution problems result from
this burning. The purposes of the study were to...
A stream's temperature is a major factor in its ability to support
fish life and to be utilized for other beneficial purposes. The
approach most generally used for stream temperature prediction is
the Energy-Budget method, which involves the inventory of all the
energy entering and leaving the stream. A temperature...
This paper describes a study of two-phase gas-liquid vertical
annular climbing film flow. Using a high speed Fastax movie camera,
motion was slowed sufficiently to facilitate detailed analysis of the
climbing film structure, based on single frame projections. The
dynamic characteristics of the liquid film could likewise be obtained,
though...
If informed and rational judgments are to be made concerning
proposed large scale interbasin water diversions, it is imperative
that competent positive analysis be undertaken by scientists of relevant
disciplines. It is the primary purpose of this thesis to pull together
into a single interrelated package, the economic theory needed...
The subject of this thesis is an evaluation of a louver facility
in the Lemhi River, Idaho. The louver facility was designed to guide
juvenile chinook salmon and steelhead trout into a trap in order to
sample downstream migrant populations. The study was designed to
determine: (1) if the catch...
A water-soluble complex containing ergosterol together with
a component of yeast has been isolated. The complex can be isolated
from commercial yeast extract to which ergosterol has been
added or directly from whole yeast cells. The complexing agent
from yeast extract is also capable of solubilizing cholesterol and
a long...
Four cell lines derived from embryonic tissues of four species
of salmonid fishes, and one from a hepatoma in rainbow trout have
been established in this laboratory. The species represented are
chinook, coho, and sockeye salmon; and steelhead and rainbow trout.
All of these lines have been cultivated for approximately...
The evaluation of social investment in water pollution control
has been retarded by a lack of methodology with which to evaluate
the direct benefits. The objective of this dissertation was to develop
theory and methodology for estimating direct recreational benefits
associated with the protection of sport fisheries. An inter-disciplinary
case...