The Corps of Engineers is in a position to dominate the formulation
and implementation of public policy at a given local level. The
position is based on the Corps' capability to influence the decision-making
process through the exercise of force by means of eminent
domain procedures, the assumption and demonstration...
A multitude of biotic and physical factors, many of them unique to riparian environments, interacted to form an extremely complex ecosystem along Catherine Creek in the Wallowa Mountains. A total of 258 stands of vegetation representing 60 communities was identified. At least 20 species of mammals and 81 species of...
This report contains additional information on improvements of the Siletz River Bar. It includes information on nearby tributaries, as well as the growing annual yield of timber from the area and potential related commerce such as the Oregon Pulp and Paper Company.
Longitudinal patterns of fish and benthic invertebrate distribution and
habitat use were similar in Thomas Creek, Oregon but clarity of these patterns
differed. I studied fish and aquatic invertebrates simultaneously, at multiple
scales, and used multivariate statistical techniques to compare responses to the
same environmental conditions. Both types of organisms...
Initially, components of an aquatic food web were examined to study impacts of recreational use on the aquatic ecology of Quartzville Creek, Oregon in 1995 and 1996. Measurements of the food web components consisted of observations of harlequin ducks (Histrionicus histrionicus), visual counts of the larval caddisfly Dicosmoecus gilvipes, benthic...