Cardicola alseae is a blood dwelling trematode found in the
fishes Salmo clarki henshawi and Salmo gairdneri gairdneri. Eggs
which were ovoid in shape and non-operculate left the adult and passed
to the gill capillaries of the secondary lamellae. The miracidium was
ovoid, 0.070 mm. long by 0.052 mm. wide,...
The purpose of this study was to investigate an application of
statistical concepts to quality control of highway construction. The
application was presented qualitatively and demonstrated quantitatively
by an investigation of asphalt content in asphalt concrete.
For the example, an Oregon State Highway Project was
sampled and tested. The average...
A rapid and efficient procedure that required no partitioning was developed for the purification of abscisic acid (AbA) from the needles of Douglas-fir seedlings. Extracted needle pigments were removed by a
PVP column and the eluted AbA was concentrated on a DEAE column. The AbA was eluted from the DEAE...
Plant nurseries comprise the largest agricultural sector in Oregon at nearly $1 billion per year. Even at this scale, individual nurseries and greenhouses do not have clear water quality standards set by the EPA. Watershed-level total maximum daily loads (TMDLs) have been set for excess nutrients and herbicides due to...
"The objectives of this study were to locate suitable intertidal and subtidal clam planting sites and to determine the feasibility of planting laboratory spawned clams. Criteria used to determine the suitability of potential clam planting sites included: an evaluation of species of clams indigenous to the survey area and the...