Intermittent, headwater streams recently have been recognized as important
components of forest ecosystems and have been provided increased protection by the
Northwest Forest Plan. However, few studies have examined their distribution,
dynamics, and ecological roles, such as habitat for wildlife. My goal was to provide
additional information on the ecology...
Spotted wing drosophila (SWD), Drosophila suzukii, is an economically damaging pest on small fruits. The estimated economic impact is hundreds of millions of dollars annually in the U.S. alone, and increasing every year. Current control of SWD relies heavily on chemical insecticides which have many negative impacts on environmental and...
Multi-robot systems are versatile and extremely capable of exploration tasks in complex environments. Increasingly sophisticated planners, which incorporate new features of a multi-robot system, are necessary for the operation of the systems. Marsupial robots are multi-robot systems consisting of a carrier robot (e.g., a ground vehicle), which is highly capable...
With confirmation of non-nutritive sugar, erythritol, having insecticidal properties to Dipterans, this thesis research focuses on use of erythritol as a human-safe management tool for small berry and cherry pest, Drosophila suzukii, commonly referred to as spotted-wing drosophila. Drosophila suzukii is a destructive invasive fruit fly from Asia with an...
In 2005, Beijing acted to court the farmers of Taiwan through a series of unilateral
agricultural tariff reductions. This move was deliberately formulated to weaken the incumbent
Democratic Progressive Party (DPP) by targeting the party's strong rural base. This paper seeks
to investigate the effectiveness of China's use of interest...
In the context of expanding global food trade in which we import and consume a variety of foods from across the world, insuring food safety, an essential public health issue, has become a major concern in our food supply system. Over the past several years, food related scandals of Chinese...
This thesis seeks to explore how visual cues in the new environment affect Chinese international students studying abroad in the United States. Through open-ended interviews, Photovoice, and focus groups, Chinese international students shared their perspectives on their orientation, residence, campus places, color association, and on-campus place preferences. During the study,...
Characterizing the hydrophobicity of nanoparticles can help us understand their fate and transport in the environment, as well as how nanoparticles may interact with biological systems. However, contact angle and partition coefficient have limitations in measuring the hydrophobicity of nanoparticles, thus promising methods to measuring the hydrophobicity of nanoparticles are...
The purpose of this study is to examine the lived experiences of women small-scale entrepreneurs in Qingdao, China by placing their collective experiences within relevant social and economic frameworks. This study, conducted in 2011 over a six-month period, applies an ethnographic approach based in modified grounded theory to bring together...
Ozone is recognized as one of the most dangerous irritants to eyes, throat, lungs and etc .. Chamber studies consistently have demonstrated adverse effects of ozone on human lung function. The results of epidemiological studies, however, have been controversial, partly because there are many factors that affect human lung function....