Assessment of the environmental impacts of an agricultural production system
requires information on both soil water quality and solute flux. Passive Capillary Samplers
(PCAPS), which sample water from the vadose zone using fiber glass wicks, have shown
potential to provide both flux and solute concentration in unsaturated zone sampling but...
In this report, three studies are presented that utilize computations to predict transformations, identities, and properties of environmental organic molecules. Each study shows how computations can lead to models of chemical behavior. The importance of this research is rooted in the need for understanding how human behavior and health intersect...
To initiate the defense response to an invading pathogen, plants utilize an array of immune receptors to recognize virulence effectors. Virulence effectors are released by pathogens to suppress immune responses in target hosts. These effectors are recognized by a family of resistance proteins known as nucleotide-binding leucine-rich repeat (NB-LRR) proteins....
Full Text:
Nicotiana benthamiana cells
By
Patrick Rutledge
An Undergraduate
The objective of this study was to determine whether visitor
perceptions of ecological impacts at wilderness campsites could be
accurately measured using photographs or written descriptions rather
than actual site evaluations. Photographs and written site descriptions
of 20 campsites were used to measure perceptions of two forms
of campsite impacts...
Passive capillary samplers (PCAPS), which sample water from the vadose zone via a hanging water column in a fiberglass wick, have shown potential to provide superior estimates of soil water flux compared to alternative methods. The objectives of this study were to evaluate the performance of PCAPS under natural rain-fed...
Despite several decades of research developments, the survey-based contingent
valuation (CV) method remains one of the most controversial topics in environmental
economics. As the procedure matures and more applied studies are completed, there
is increasing pressure to make the results policy relevant. This research is composed
of three distinct yet...
Research across natural resource management disciplines has identified an implementation gap between researchers and managers, where institutional norms and practices limit the application and synthesis of novel data and observations in decision-making. With their increasing social media and internet presence, federal agencies have grown their communication portfolios past traditional communication...
Nanophyetus salmincola is a well-studied parasite of their definitive mammal hosts. However, the conditions that signal the time for shedding of N. salmincola cercariae from their first host, the juga snail (Juga silicula), is not fully understood. A digenetic trematode indigenous to the American Pacific Northwest, N. salmincola can be...
To evaluate the immunologic and metabolic effects of OmniGen-AF® (Phibro Animal Health corporation, Quincy, IL; OG) supplementation in growing beef cattle, we designed three studies using replacement beef heifers (8.5 and 10.5 months of age) and steers supplemented across backgrounding, transition, and finishing periods. In Study 1, the effect of...
Evacuation strategies have been established for most user groups in tsunami inundation zones; however, surprisingly little information is available for a growing visitor group - surfers. For near-shore tsunami events, Oregon surfers, who recreate in the nearshore region, must make life or death choices when deciding what to do in...