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Artificial neural networks (ANNs) have been increasingly used as a model for streamflow forecasting, time series prediction, and other applications. The high interest in ANNs comes from their ability to approximate complex nonlinear functions. However, the “black-box” nature of ANN models makes
Hyperspectral canopy reflectance was used to predict sub-surface water nutrients, vegetation composition, and canopy nutrients, which could lead to more useful means for assessing the status of wetlands. Thirty field quadrats at two tidal freshwater marsh sites on the Nanticoke River (Maryland)
The ultimate goal of controlling foodborne hazards is to reduce the risk of disease to consumers, and the economic burden related to foodborne illness. A literature review identified four areas of insufficient data on the epidemiology of Salmonella. A cross-sectional study was
Infectious bursal disease virus (IBDV) remains a serious problem for commercial broiler producers throughout the world. An in ovo delivery system for plasmid DNA vaccines was evaluated by studying parameters, such as the route of delivery (air cell vs amniotic cavity), transfection
The intent of this project was to investigate options for improvement of a commercially manufactured prescription diet designed to reduce manifestation of clinical disease secondary to cystinuria in captive maned wolves in the United States. Diets high in plant-based protein, independent of
Economists have long been concerned with the externalities generated by automobiles, such as traffic congestion and air pollution. Since many of these externalities are closely bound up with the number of miles being driven, economists have been much interested in the behavior
This dissertation contributes to our knowledge about water markets by analyzing the factors that explain market transactions of water rights when there is also a spot market for water volumes. I hypothesize that risk heterogeneity among farmers can explain those transactions. To
This dissertation lays out a conceptual model for managing beach erosion on barrier islands. Households affected by erosion management are identified as beach visitors and coastal homeowners. The returns from beach quality accruing to beach visitors are assessed via travel cost theory,
In this dissertation, I examine the role of population and transportation costs in determining agricultural expansion in 670 villages located in Forest Reserves of Thailand, over the period 1986-1996. Specifically, I examine the role of population and transportation costs as drivers of
Allocation decisions in many natural resource markets are governed by mechanisms designed to alleviate information asymmetries and other types of market imperfections. For example, the crew in most commercial fisheries is remunerated via a lay system of payments designed to alleviate a