Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 14 of 14 for “"Delaware Bay"”.
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Examining the Effects of Food Supply on Eastern Oyster (Crassostrea virginica) Larval Performance and Settlement Potential in Delaware Bay and Mississippi Sound
… settlement potential were examined in Delaware Bay and Mississippi Sound by incorporating <em>in situ </em>environmental conditions and food supply metrics into a well-established biochemically-based larval performance model. Additionally, physiological variation in initial egg size, …
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Transport of terrigenous sediment and horseshoe crab eggs in the swash zone of an estuarine foreshore in Delaware Bay, New Jersey, USA
… egg exhumation, transport and deposition is in Delaware Bay, USA. Beaches in Delaware Bay provide foraging grounds to many shorebird species that migrate thousands of miles from Central and South America to feed on nutrient rich horseshoe crab eggs during their peak spawning season. Eggs laid at …
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Modeling the Dispersion of Eastern Oyster Larvae (<i>Crassostrea virginica</i>) and its Effects on the Movement of Disease Resistant Genes in the Delaware Bay Estuary
… the spatial distribution of oyster larvae in Delaware Bay? What is the role of larval dispersion in the transference of disease-resistant genes? The particle-tracking module in the Regional Ocean Modeling System (ROMS) was converted into an Individual-Based model representing Eastern oyster …
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Quantifying the U.S. Coast Guard Ecological Risk Assessment on Diluted Bitumen
… to quantify the recent U.S. Coast Guard Sector Delaware Bay Consensus Ecological Risk Assessment (CERA) on diluted bitumen (DB) and compare the toxicity of DB to conventional crude (CC) oils. At the height of the domestic energy renaissance, 103,000 barrels of DB were transported via railcar …
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Modeling Environmental Effects on MSX Prevalence and Intensity in Eastern Oyster (<i>Crassostrea virginica</i>) Populations
… used with salinity time-series constructed from Delaware River flow measurements to study environmentally-induced variations in the annual cycle of this disease. Simulations with this model were designed to investigate the effect of increased or decreased spring freshwater discharge, the timing …
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Design and Model-based Approaches for Estimating Abundance of American Horseshoe Crab
… and harvest limits have been placed on the Delaware Bay stock, as it is commercially exploited and a critical food source for the threatened red knot, Calidris canutus rufa. Previously, estimates of relative and total abundance of HSC in the Delaware Bay area were based on a design-based …
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Polycyclic Aromatic Hydrocarbon determination in liver of Menhaden exposed to the Deep Water Horizon Oil Spill
… environments. Adult menhaden were collected from Delaware Bay, NJ (September 2010-September 2011), James River, Virginia (November 2010), Grand Isle, Louisiana (September 2010- September 2011), and Vermillion Bay, Louisiana (June 2011-October 2011). The findings of this study show that a high …
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Investigation of the Relationships Between Geotechnical Sediment Properties and Sediment Dynamics Using Geotechnical and Geophysical Field Measurements
… measurements were conducted at different sites: Delaware Bay, Delaware; Pea Island, North Carolina; York River, Virginia; Potomac River, Maryland; Guadalupe River, Brazos River, Colorado River, Texas with different soil types and properties, hydrodynamic conditions, and morphological settings. …
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Bayesian Hierarchical Methods and the Use of Ecological Thresholds and Changepoints for Habitat Selection Models
… habitat preference models that are based on Bayesian methods and then present some extensions and supplements to those methods that prove to be very useful. More specifically, we demonstrate the value of extending the standard Bayesian hierarchical model using finite mixture model methods. …
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Evaluation of Fish Scale Chemistry for Determining Habitat Associations
… weakfish collected in Pamlico Sound, Chesapeake Bay, and Delaware Bay was estimated with ML. Composition of adults was estimated similarly by otolith and scale chemistries. However, these data suggested that scale chemistry was not stable after the juvenile period possibly due to continued …
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Underwater sound propagation and acoustic communication in a time-varying shallow estuarine environment
… acoustic experiment conducted in the Delaware Bay estuary was explored. On one hand, periodical acoustic direct path fading was found in the tidal-straining Delaware Bay estuary, with the fading period as same as the semi-diurnal tide. Based on physical oceanography and ocean …
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Detection of PAHs in Commercial and Wild Caught Fish Oil using Scanning Fluorescence Spectroscopy
… Industries) and wild menhaden collected from the Delaware Bay, NJ, James River, VA, Vermillion Bay, LA and Barataria Bay, LA in 2010 and/or 2011. Barataria Bay received heavy oiling from the DWH spill from April to August 2010. Vitamins and PAH standards were bought commercially. The fish oils and …
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Tidal Wetland Inundation and Vegetation Phenology from Space: A Synthesis of Approaches for Characterizing Ecological Status and Inundation Dynamics in Tidal Wetlands with Remote Sensing Observations
… and study of tidal marshes of the Chesapeake and Delaware Bays. This chapter also features a thematic focus on the evaluation of various forms of satellite imagery for wetlands studies in general. In this chapter, Chesapeake and Delaware Bay tidal marshes were mapped with producer’s accuracy …
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Factors affecting Western Atlantic red knots (Calidris canutus rufa) and their prey during spring migration on Virginia's barrier islands
… with regional ocean water off the Virginia and Delaware coasts, suggesting that Virginia's blue mussels originated in ocean waters between Delaware and Virginia; however, they may have originated in waters as far north as New York in some years, potentially decreasing the risk of blue mussels …