The use of natural and nature-based features for coastal hazard mitigation, particularly emergent vegetation such as mangrove forests, have become increasingly popular. However, the protection that these systems can provide has not been fully quantified for engineering design, and the uncertainties in parameterized equations have not been fully defined. In...
Mount Hood National Forest provides opportunities for many forms of outdoor recreation. Recreationists spend money to pursue outdoor activities on public lands such as national forests and national parks. The purpose of this study was to measure the economic contribution of national forest visitor expenditures on the local economy of...
The proposed action is to thin understory trees from around ponderosa pine, sugar pine, white pine, and
Douglas fir in the outer portion of Riparian Reserves in the Jenny Creek watershed. The overall objective
is to maintain and restore the diversity of forest stands near streams in a way that...
This dissertation investigates the effect of endogenous and exogenous events on firm behavior and performance. These are fundamental questions in economics. The contribution of this study is threefold. First, it provides estimates of the impact of mergers on railroad efficiency, which has important antitrust implications. Second, it provides new estimates...
The purpose of the investigation was to develop a profile of characteristics,
perceptions and expectations of high school students involved in the Washington Tech
Prep in Agriculture Statewide Articulation Program (TPAG). The investigation
involved nine individual interviews, the responses of 165 students to a forced response
survey instrument, and a...
Relay strip-cropping combines two vegetation management tactics, under-sowing
and strip-management. In this study conducted from 1994 though 1997, a
cover crop seed-mixture containing oats (Avena sativa L. var. "Monida"), common
vetch (Vicia sativa L.), red clover (Trifolium pratense L.), annual ryegrass (Lolium
multflorum Lam.), and buckwheat (Fagopyrum esculentum Moench) was...
In the Pacific Northwest, regulatory agencies have recently
implemented management strategies for restoration and maintenance of wood
recruitment to streams over time. This allochthonous organic material is a
critical component in the geomorphic and biological structure of forested
streams. Mathematical models are commonly used to evaluate long-term
wood dynamics in...
The spatial ecology of a species is a vital component of informed management and restoration plans, yet little is known about how animals use restored or constructed habitat. We assessed home ranges, core areas, and habitat selection of the federally threatened Giant Gartersnake (Thamnophis gigas) using rice agricultural habitat and...
A physical model study was performed to examine the forces and response of 1:6 scale wood-frame coastal residential structures subjected to storm surge and waves. An on-grade and an elevated specimen were tested and exposed to regular waves with varying water depths and wave heights to simulate Hurricane Sandy’s conditions....
