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Relevant bibliographies by topics / Chesapeake Bay Region (Md. and Va.)

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Academic literature on the topic 'Chesapeake Bay Region (Md. and Va.)'

Author: Grafiati

Published: 4 June 2021

Last updated: 30 July 2024

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Journal articles on the topic "Chesapeake Bay Region (Md. and Va.)"

1

DaSilva, Ligia, Salina Parveen, Angelo DePaola, John Bowers, Kathy Brohawn, and Mark L. Tamplin. "Development and Validation of a Predictive Model for the Growth of Vibrio vulnificus in Postharvest Shellstock Oysters." Applied and Environmental Microbiology 78, no. 6 (2012): 1675–81. http://dx.doi.org/10.1128/aem.07304-11.

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ABSTRACTPostharvest growth ofVibrio vulnificusin oysters can increase risk of human infection. Unfortunately, limited information is available regardingV. vulnificusgrowth and survival patterns over a wide range of storage temperatures in oysters harvested from different estuaries and in different oyster species. In this study, we developed a predictive model forV. vulnificusgrowth in Eastern oysters (Crassostrea virginica) harvested from Chesapeake Bay, MD, over a temperature range of 5 to 30°C and then validated the model againstV. vulnificusgrowth rates (GRs) in Eastern and Asian oysters (Crassostrea ariakensis) harvested from Mobile Bay, AL, and Chesapeake Bay, VA, respectively. In the model development studies,V. vulnificuswas slowly inactivated at 5 and 10°C with average GRs of −0.0045 and −0.0043 log most probable number (MPN)/h, respectively. Estimated average growth rates at 15, 20, 25, and 30°C were 0.022, 0.042, 0.087, and 0.093 log MPN/h, respectively. With respect to Eastern oysters, bias (Bf) and accuracy (Af) factors for model-dependent and -independent data were 1.02 and 1.25 and 1.67 and 1.98, respectively. For Asian oysters,BfandAfwere 0.29 and 3.40. Residual variations in growth rate about the fitted model were not explained by season, region, water temperature, or salinity at harvest. Growth rate estimates for Chesapeake Bay and Mobile Bay oysters stored at 25 and 30°C showed relatively high variability and were lower than Food and Agricultural Organization (FAO)/WHOV. vulnificusquantitative risk assessment model predictions. The model provides an improved tool for designing and implementing food safety plans that minimize the risk associated withV. vulnificusin oysters.

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Staver, Lorie W., Jeffrey C. Cornwell, Nicholas J. Nidzieko, et al. "The Fate of Nitrogen in Dredged Material Used for Tidal Marsh Restoration." Journal of Marine Science and Engineering 9, no. 8 (2021): 849. http://dx.doi.org/10.3390/jmse9080849.

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Tidal marsh restoration using dredged material is being undertaken in many coastal areas to replace lost habitat and ecosystem services due to tidal marsh loss. The fate of high levels of nitrogen (N) in fine-grained dredged material used as a substrate for marsh restoration is uncertain, but if exported tidally may cause subtidal habitat degradation. In this study, a mass balance was developed to characterize N fluxes in a two-year-old restored tidal marsh constructed with fine-grained dredged material at Poplar Island, MD, in Chesapeake Bay, and to evaluate the potential impact on the adjacent submersed aquatic vegetation (SAV) habitat. Denitrification and N accumulation in Spartina organic matter were identified as the major sinks (21.31 and 28.5 mg N m−2 d−1, respectively), while tidal export of TN was more modest (9.4 mg N m−2 d−1) and inorganic N export was low (1.59 mg N m−2 d−1). Internal cycling helped retain N within the marsh. Mineralization of N associated with labile organic matter in the dredged material was likely a large, but unquantified, source of N supporting robust plant growth and N exports. Exceedances of SAV water quality habitat requirements in the subtidal region adjacent to the marsh were driven by elevated Chesapeake Bay concentrations rather than enrichment by the marsh.

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Simon, N. S., Owen P. Bricker, Wayne Newell, John McCoy, and Rijk Morawe. "The Distribution of Phosphorus in Popes Creek, VA, and in the Pocomoke River, MD: Two Watersheds with Different Land Management Practices in the Chesapeake Bay Basin." Water, Air, and Soil Pollution 164, no. 1-4 (2005): 189–204. http://dx.doi.org/10.1007/s11270-005-3024-5.

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4

Zickler, Michael. "SPCC INSPECTION RESULTS IN IMPROVED CORROSION PROTECTION AT MAJOR REFINERY." International Oil Spill Conference Proceedings 2005, no. 1 (2005): 135–37. http://dx.doi.org/10.7901/2169-3358-2005-1-135.

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ABSTRACT EPA Region 3 conducted an SPCC/FRP inspection in late 1997 by at a major east coast refinery, situated along Curtis Bay in Baltimore MD. Curtis Bay drains into the Chesapeake Bay and a release from the site could severely impact a sensitive ecological area. During the inspection, the inspectors observed evidence of deterioration in the concrete foundations of several of the tanks. A Notice of Non-Compliance was sent to the company outlining deficiencies noted during the inspection and from the SPCC plan review. The company addressed the SPCC plan deficiencies but failed to address issues regarding the tank foundations, periodic integrity testing and protection of buried piping. An Administrative Complaint was issued under Section 311 of the CWA. The company denied the allegations and asked for an administrative hearing. An Alternate Dispute Resolution (ADR) process was arranged. One result of the ADR was that the Facility agreed to further assess the cathodic protection system and soil corrosivity, and to evaluate the foundations of five of the ASTs. Simultaneously, EPA arranged for an expert to provide technical consulting support in the area of American Petroleum Institute (API) 653 inspections and compliance procedures. When the company submitted the results of their API inspection, they indicated that the ASTs were safe and calculated the remaining service life to exceed the 20 year inspection interval requirement. They proposed the next inspection interval to be the maximum of 20 years. EPA's consultant was able to demonstrate that the company had made incorrect assumptions about the as-built tank foundation design. This resulted in incorrect calculations regarding the degree of existing cathodic protection. As a result, EPA prevailed in recalculating a service life/internal inspection interval of 4.58 years and requiring some additional corrective measures to be taken at the facility. The result of EPA's action is that the ASTs located at the site will be operated with a higher degree of safety and environmental protection.

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Dissertations / Theses on the topic "Chesapeake Bay Region (Md. and Va.)"

1

Mersmann, Timothy James. "Foraging ecology of bald eagles on the northern Chesapeake Bay with an examination of techniques used in the study of bald eagle food habits." Thesis, Virginia Tech, 1989. http://hdl.handle.net/10919/46051.

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<p>We monitored distribution and abundance of food resources and determined food habits of nonbreeding bald eagles (<i>Haliaeetus leucocephalus</i>) on the northern Chesapeake Bay, as a preliminary step toward examining food-base effects on bald eagle distribution and abundance. To correctly interpret our food habits results, we first examined biases of 2 commonly-used food habits techniques, pellet analysis and food remains collection, through feeding trials with 2 captive bald eagles. Eagles were fed a variety of food items found on the northern Bay. Egested pellet contents and frequency of remains were compared with actual diet. We also examined efficacy of direct observation by observing eagles in high-use foraging areas. We found pellet analysis accurately indicated the species of birds and mammals eaten, but overrepresented medium-sized mammals and underrepresented large carrion in percent occurrence results. Fish were poorly represented in pellets. Eagles rarely produced pellets after eating fish, suggesting that pellet egestion rate, defined as the number of pellets produced per eagle per night, can serve as an index to relative use of birds and mammals. Food remains collection was highly biased toward birds, medium~sized mammals, and large, bony fish. Direct observation was labor intensive and required close proximity of the observer for unbiased identification of food items. Observation may be the only means of documenting eagles' use of small, soft-bodied fish.</p> <p> We used direct observation, pellet analysis, and pellet formation rates to determine bald eagle food habits from December 1986 through April 1988. We monitored fish abundance by gill netting and waterfowl abundance by aerial surveys over this same period. Fish and waterfowl abundance varied reciprocally; waterfowl numbers peaked in winter and fish numbers peaked in spring and late summer. Bald eagles responded to differences in food abundance with diet shifts. Canada geese (<i>Branta canadensis</i>), mallard (<i>Anas platyrhynchos</i>), and white-tailed deer (<i>Odocoileus virginianus</i>) carrion were primary foods from November through February. Cold-stressed gizzard shad (<i>Dorosoma cepedianum</i>) were captured frequently by eagles below a hydroelectric dam on the Susquehanna River in November and December, and also were taken frequently throughout the study area during a winter when ice cover was extensive. Shad were not commonly available during a milder winter. From April through September, bald eagles fed on a variety of fish species, primarily gizzard shad, channel catfish (<i>Ictalurus punctatus</i>), Atlantic menhaden (<i>Brevoortia tyrannus</i>), white perch (<i>Morone americana</i>), American eel (<i>Anguilla rosfrata</i>), and yellow perch (<i>Perca flavescens</i>). The 4 most commonly consumed fish species also were the most commonly gill netted species. At least 25% of all fish taken were scavenged. Live fish were most abundant at the water's surface in shallow water. Bald eagles' use of live fish reflected this availability; water depth at live fish capture sites was less than at sites where fish of dead or unknown status were taken. Eagles foraged most intensively within 1 hour of sunrise. A second smaller peak in foraging activity was observed in early afternoon.</p><br>Master of Science

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2

Phillips, Spencer R. "Evaluating agricultural pesticide use and risk for the Chesapeake Bay." Thesis, Virginia Tech, 1990. http://hdl.handle.net/10919/41774.

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Buehler, David A. "Bald eagle distribution, abundance, roost use and response to human activity on the northern Chesapeake Bay, Maryland." Diss., Virginia Tech, 1990. http://hdl.handle.net/10919/39794.

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I studied bald eagle (Haliaeetus leucocephalus) distribution, abundance, roost use and response to human activity on the northern Chesapeake Bay from 1984-89. The eagle population consisted of Chesapeake breeding eagles, Chesapeake nonbreeding eagles, northern-origin eagles and southern-origin eagles; changes in overall eagle distribution and abundance reflected the net changes in these 4 groups. Breeding territories on the northern Chesapeake increased from 12 to 28 from 1984 to 1988. Breeding eagles were resident all year, always ~7 km from the nest. Chesapeake nonbreeding eagles moved throughout most of the bay, but rarely left it (~5% of the radio-tagged eagles were off the bay during any month). Northern eagles migrated into the bay in late fall (x = 21 December! n = 7! range = 61 days) and departed in early spring (x = 27 March, n = 14, range = 43 days). Southern eagles arrived on the northern bay throughout April-August (x = 6 June, n = 11, range = 94 days) and departed from June - October (x = 3 September, n = 22, range = 119 days). Northern Chesapeake eagle abundance peaked twice annually; in winter (261 eagles, December 1987), driven by the presence of northern eagles, and in summer (604 eagles, August 1988), driven by the presence of southern birds. Of 1,117 radio-tagged eagle locations, only 55 (4.90/0) occurred in human-developed habitat, which composed 27.7% of 1,442 km2 of potential eagle habitat on the northern Chesapeake Bay (P < 0.001). During 36 aerial shoreline surveys, eagles were observed on only 111 of 700 (15.9%) 250-m shoreline segments that had development within 100 m, whereas eagles were observed on 312 of 859 (36.30/0) segments when development was absent (P < 0.001). On average, eagles were observed on 1.0 segment/survey that had coincident pedestrian use within 500 m, compared to 3.6 segments/survey expected if eagles and pedestrians were distributed along the shoreline independently (n = 34 surveys, P < 0.001).<br>Ph. D.

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4

Menelik, G. "Leaching and denitrification losses of nitrogen from corn fields as influenced by conventional- and no-till practices in soils of the Chesapeake Bay area." Diss., Virginia Tech, 1990. http://hdl.handle.net/10919/39944.

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5

Schicho, Douglas Linden. "Monitoring pesticides in the soil, groundwater, and submarine groundwater discharge of the Chesapeake Bay Area." Thesis, This resource online, 1993. http://scholar.lib.vt.edu/theses/available/etd-09052009-040652/.

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Wolfe, Christopher L. "Biological and physical treatment of crab processing industry wastewaters." Thesis, This resource online, 1993. http://scholar.lib.vt.edu/theses/available/etd-08042009-040526/.

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7

Santopietro, George D. "Evolution of property rights to a natural resource: the oyster grounds of the Chesapeake Bay." Diss., Virginia Polytechnic Institute and State University, 1986. http://hdl.handle.net/10919/76496.

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Economists take an interest in property rights structures because of their importance in the definition of incentive structures. Fisheries have been analyzed as open access resources because they are not often organized around private property rights. The lack of private property rights though should not be taken to imply unlimited access. There is a need to differentiate between situations in which an institutional structure supports a system of common property rights from those in which access to a resources is truly limited. In this study, a conceptual framework of the structure and workings of property rights to natural resources is developed. This includes a taxonomy of possible property rights structures that differentiates among types and degrees of common and private property. The study then compares and contrasts the differing views in the economics literature on the process by which property rights evolve. This conceptual framework is used to develop a set of research questions that will structure the inquiry about the evolution of property rights to a specific natural resource, the Chesapeake Bay oyster grounds. The conventional and Institutionalist perspectives are related to fishery management policy and their differences assessed. The Institutionalist perspective is shown to raise questions about the historical development of property rights that would not be considered by conventional economists. The resulting research questions are used to explain the economic history of the property rights to the Chesapeake Bay oyster grounds from 1607 to 1986. In Maryland and Virginia certain grounds of the Chesapeake Bay are reserved as a public oyster fishery, but, they have been regulated and managed by the states. In the history of the fishery, those who harvest from the public grounds have continually resisted the extension, or even encouragement of oyster cultivation on private leaseholds. The primary advocates of greater privatization of the bottoms have been economists and biologists. The governments of each state have chosen to maintain the commons in order to provide employment for watermen and to more widely distribute income among them. The results of a survey of Virginia's oyster harvesters are presented. These provide further insights for discussing the role of the watermen in the evolution of property rights, and help to form conclusions on the future of the fishery. This case study leads to the discussion of conclusions on the theory of the economics of property rights.<br>Ph. D.

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8

Hartzell, Jeanne L. "The fate of phosphorus along estuarine salinity gradients." Fairfax, VA : George Mason University, 2009. http://hdl.handle.net/1920/4505.

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Thesis (Ph.D.)--George Mason University, 2009.<br>Vita: p. 152. Thesis director: Thomas E. Jordan. Thesis director: Donald P. Kelso. Submitted in partial fulfillment of the requirements for the degree of Doctor of Philosophy in Environmental Science and Public Policy. Title from PDF t.p. (viewed June 10, 2009). Includes bibliographical references (p. 140-151). Also issued in print.

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9

Howerter, David W. "Movements and bioenergetics of canvasbacks wintering in the upper Chesapeake Bay." Thesis, Virginia Tech, 1990. http://hdl.handle.net/10919/41924.

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The movement patterns, range areas and energetics of canvasbacks (Aythya valisineria) wintering in the upper Chesapeake Bay, Maryland, were investigated. Eighty-seven juvenile female canvasbacks were radio-tracked between 30 December 1988 and 25 March 1989. Diurnal time and energy budgets were constructed for a time of day-season matrix for canvasbacks using riverine and main bay habitats. Canvasbacks were very active at night, making regular and often lengthy crepuscular movements (x = 11.7 km) from near shore habitats during the day to off shore habitats at night. Movement patterns were similar for birds using habitats on the eastern and western shores of the Bay. Canvasbacks had extensive home ranges averaging 14,286 ha, and used an average of 1.97 core areas. Sleeping was the predominant diurnal behavior. Telemetry indicated that canvasbacks actively fed at night. Canvasbacks spent more time in active behaviors (e.g. swimming, alert) on the eastern shore than on the the western shore. Similarly, canvasbacks were more active during daytime hours at locations where artificial feeding occurred. Behavioral patterns were only weakly correlated with weather patterns. Canvasbacks appeared to reduce energy expenditure in mid-winter by reducing distances moved, reducing feeding activities and increasing the amount of time spent sleeping. This pattern was observed even though 1988-89 mid-winter weather conditions were very mild.<br>Master of Science

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10

Dunn, Joshua C. "Historical black carbon and polycyclic aromatic hydrocarbon flux in the Chesapeake Bay watershed." Diss., Online access via UMI:, 2005.

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Books on the topic "Chesapeake Bay Region (Md. and Va.)"

1

Talley, Marcia Dutton 1943. Sing it to her bones. Beeler Large Print, 1999.

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Hagan, David. Upper Chesapeake Bay decoys and their makers. Schiffer Pub., 1990.

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Arnold, Joseph L. The Baltimore engineers and the Chesapeake Bay, 1961-1987. Baltimore District, U.S. Army Corps of Engineers, 1988.

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Wright, David A. Trace metal and toxic organic concentrations in striped bass and white perch larvae, freshwater clams, and surficial sediments from northern Chesapeake Bay tributaries: A report to Maryland Department of Natural Resources, Tidewater Administration. University of Maryland, Center for Environmental & Estuarine Studies, Chesapeake Biological Laboratory, 1987.

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E, Clark Wayne, Mountford Kent 1938-, Barber Michael B, et al., eds. John Smith's Chesapeake voyages, 1607-1609. University of Virginia Press, 2007.

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Grieser, Robert. Chesapeake Bay: Photographs. H.N. Abrams, 1990.

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Vojtech, Pat. Chesapeake Bay skipjacks. Tidewater Publishers, 1993.

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Vojtech, Pat. Lighting the bay: Tales of Chesapeake lighthouses. Tidewater Publishers, 1996.

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John, Werry. Chesapeake views. Schiffer Publishing Ltd, 2012.

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Whitehead, John Hurt. The watermen of the Chesapeake Bay. Tidewater Publishers, 1987.

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