The dynamics of stands In old-growth ponderosa pine (Pinus
ponderosa) forests on the eastern flank of the central Oregon
Cascades are Investigated. Age structure and spatial pattern of
ponderosa pine within the Pringl ...
A recent surge in the development of irrigated agriculture in
the Fort Rock Basin of the Oregon High Desert has resulted in two
principal types of agricultural operations in the area: cow-calf
operators and cash-crop ...
Bankfull discharge is an important indicator of streamfiow and affects
physical instream habitat. Geographic Information Systems (G IS), hydrologic
modeling, and statistical analysis were utilized to assess the relatio ...
Streamflow variability can provide valuable information for nonpoint source
pollution monitoring program planning. The research papers presented in this thesis
examine selected properties of streamflow variability in O ...
The lower Columbia River (LCR) riparian zone is rich in habitat diversity. However, the natural beauty and species diversity along the river have increasingly become affected by human activity. This study quantifies the ...
This thesis explores the genesis of the ecoregion concept,
examines the conceptual development of ecoregion classification
systems, investigates applications of ecoregion classification
systems for a broad range of pu ...
This thesis analyzes active geologic structures in densely populated areas in Japan and southern California based on geological, geophysical, and paleoseismological observations. Chapter 2 discusses segmentation and pale ...