Water quality agencies and scientists are increasingly adopting standardized sampling methodologies because of the challenges associated with interpreting data derived from dissimilar protocols. Here, we compare 13 protocols for monitoring streams from different regions and countries around the globe. Despite the spatially diverse range of countries assessed, many aspects of...
Blood, liver, kidney, femur, and ovaries were assayed
from female Wistar rats following oral administration of
uranyl nitrate. Three uranium concentrations were
studied for six time periods ranging from 4 hours to 240
hours following gavage. Uranium burdens of tissues were
determined by neutron activation and delayed fission
neutron counting...
The purpose of this study is to examine significant and persistent problems within the Salem-Keizer School District, particularly when comparing Douglas McKay High School to West Salem High School. Douglas McKay High School is one of the physically smallest schools in the district, with over 2000 students and has the...
This qualitative study examined organizational change including the
necessary steps that a large school district took in planning and implementing a
reform effort. This project told a story of one school district's experience.
The study covered a five year period from 1990 to 1995 in the 30,000 student
Salem-Keizer School...
Aquatic and riparian systems in the western United States have been highly modified by anthropogenic impacts since Euro-American settlement. Ecological restoration is a practice that has been widely conducted around the world to mitigate the degradation of these systems. The majority of stream restoration efforts have focused on improving in-stream...
Nonpoint sources of pollution are being recognized
nationwide as a significant threat to groundwater quality.
In Oregon, groundwater supplies in several areas have been
affected by contamination possibly caused by nonpoint
sources associated with agricultural activities, on-site
sewage disposal, and inadequate hazardous materials
management in urban areas. State groundwater protection...
The proposed construction of a four lane road, the
Salem Parkway, was evaluated regarding the potential environmental
impacts its location would have upon biotic resources and water
quality. Due to existing commitment of the study area to urbanization
and agriculture, only limited environmental sensitivity was observed
overall. It was found...
Floods and ensuing damage have always been a problem for man.
Initial reaction to the frequent destruction was to avoid siting
permanent domiciles on flood-prone lands. As a result of increasing
population and pressure for development, flood control structures
were built. Instead of reducing flood losses, however, flood control
projects...
Full Text:
Insurance Act in Oregon
AN ABSTRACT OF THE THESIS OF
ROD E. EMMER for the DOCTOR OF PHILOSOPHY
(Name of
This research was conducted in the Mamora cork oak
forest of Morocco to: (1) Describe the impacts of sheep
grazing (none, 35% use, 70% use) in March, April, May and
June of 1987 and 1988 on seasonal forage production; (2)
evaluate the effects of these factors on annual changes
in...