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Articles 1 - 5 of 5
Full-Text Articles in Physical Sciences and Mathematics
Chesapeake Bay Dune Systems: Evolution And Status, C. Scott Hardaway Jr., Lyle M. Varnell, Donna A. Milligan, George R. Thomas, Carl H. Hobbs Iii
Chesapeake Bay Dune Systems: Evolution And Status, C. Scott Hardaway Jr., Lyle M. Varnell, Donna A. Milligan, George R. Thomas, Carl H. Hobbs Iii
Reports
The goals of this study were to locate, classify, and enumerate the existing jurisdictional dunes and dune fields within the eight localities listed in the Act. These include the counties of Accomack, Lancaster, Mathews, Northampton, and Northumberland and the cities of Hampton, Norfolk, and Virginia Beach. Only Chesapeake Bay and river sites are considered in this study.
Estimating Relative Abundance Of Young Of The Year American Eel, Anguilla Rostrata, In The Virginia Tributaries Of Chesapeake Bay, Patrick J. Greer
Estimating Relative Abundance Of Young Of The Year American Eel, Anguilla Rostrata, In The Virginia Tributaries Of Chesapeake Bay, Patrick J. Greer
Reports
The Atlantic States Marine Fisheries Commission (ASMFC) adopted the Interstate Fishery Management Plan for American Eel (FMP) in November 1999. The Plan focuses on increasing the states’ efforts to collect data on the resource and the fishery it supports through fishery dependent and independent studies. To this end, member jurisdictions (including Virginia) agreed to implement an annual abundance survey of young-of-year American eel (YOY). The survey is intended to “...characterize trends in annual recruitment of the young of the year eel over time [to produce a] qualitative appraisal of the annual recruitment of American eel to the U.S. Atlantic coast …
Status Of The Major Oyster Diseases In Virginia 2000 A Summary Of The Annual Monitoring Program, Lisa M. Ragone Calvo, Eugene M. Burreson
Status Of The Major Oyster Diseases In Virginia 2000 A Summary Of The Annual Monitoring Program, Lisa M. Ragone Calvo, Eugene M. Burreson
Reports
As a consequence of the relatively warm temperatures, high salinities, and high oyster parasite abundances in the fall of 1999, both P. marinus and H. nelsoni were widely distributed throughout oyster populations in Virginia in 2000. Fortunately, however, we did not see severe epizootics of the diseases as observed in some areas in 1999.
Growth Rate Variability And Lipofuscin Accumulation Rates In The Blue Crab Callinectes Sapidus, Se-Jong Ju, David H. Secor, H. Rodger Harvey
Growth Rate Variability And Lipofuscin Accumulation Rates In The Blue Crab Callinectes Sapidus, Se-Jong Ju, David H. Secor, H. Rodger Harvey
OES Faculty Publications
To better understand growth and age-pigment (lipofuscin) accumulation rates of the blue crab Callinectes sapidus under natural conditions, juveniles (33 to 94 mm carapace width) were reared in outdoor ponds for over 1 yr. Growth rates, measured by carapace width, during summer and fall exceeded all those reported in the literature; the initial carapace width of 59 ± 14 mm (mean ± SD) increased to 164 ± 15 mm within a 3 mo period. No growth occurred during winter months (November to April) at low water temperatures. Growth rates of crabs in ponds were substantially higher (von Bertalanffy growth parameter …
Tidal And Subtidal Lateral Structures Of Density And Velocity In The Chesapeake Bay Entrance, Austreberto Cristobal Reyes-Hernandez
Tidal And Subtidal Lateral Structures Of Density And Velocity In The Chesapeake Bay Entrance, Austreberto Cristobal Reyes-Hernandez
OES Theses and Dissertations
Hydrographic and velocity data collected along the Chesapeake Bay Entrance during seven 25-hours cruises centered around neap or spring tides, were used to assess the fortnightly variability in the transverse structure of the tidal and subtidal density and velocity fields. Amplitude and phase of the semidiurnal and diurnal harmonics reflected the influence of bathymetry, buoyancy conditions and fortnightly variability. Tidal amplitudes were almost twice as large in springs than in neaps. Both Chesapeake and North Channels had similar along-channel amplitudes, which suggested a higher vertically integrated mixing energy in North Channel. Tidal velocity convergences were more intense for springs than …