Digital Commons Network^™

A Two-Dimensional Hydrodynamic And Biogeochemical Water Quality Model And It's Application To The Lower James River, H. S. Chen, R. J. Lukens, C. S. Fang

Reports

No abstract provided.

Manual Of Water Quality Models For Virginia Estuaries, Albert Y. Kuo, Paul V. Hyer, C. S. Fang

Reports

It is not the purpose of this manual to make a nonmodeler able to develop a model by reading through it, since no manual of this nature can accomplish such a task. This manual is intended to increase the planner or manager's options by acquainting him with various types of models and informing him of the availability of currently working models. This manual contains the following: 1. A scheme indicating the types of water quality models which could be constructed, i.e. an overview of choices in models. 2. A brief description of each type of models developed under the Cooperative …

A Study Of Oyster Ground Leases Adjacent To The James River Bridge, Newport News, Virginia, Dexter S. Haven, Paul C. Kendall

Reports

Two leases of oyster planting ground adjacent to the James River Bridge at the Newport News end were studied in December, 1978. Sampling revealed that one area contained large quantities of oysters while, on the other area, oysters were scarce. Comparison with sample results and fathometer-traced bottom profiles taken in a 1976 study of the same areas indicates a close similarity.

James River Hydraulic Model Study With Respect To The Proposed Third Bridge-Tunnel Causeway In Hampton Roads, C. S. Fang

Reports

No abstract provided.

Kepone® Residues In Chesapeake Bay Biota, M. E. Bender, R. J. Huggett, W. J. Hargis Jr.

VIMS Books and Book Chapters

Oysters from the James displayed variations in Kepone residue levels related to water temperature and their spawning cycle. Oyster depuralion rates were related to temperature. In summer the "biological half. life" of Kepone in oysters was about one week, while during the winter about 40 days were required for residue levels to decline by 50 per cent. Residues in blue crabs varied as a function of sex, males having considerably higher residues than females. Fin fish levels from the James varied greatly, with residue levels being dependent on species and length of residence for migratory fishes .. Average Kepone residues …

Coliform Depuration Of Chesapeake Bay Oysters, Dexter S. Haven, Frank O. Perkins, Reinaldo Morales-Alamo, Martha W. Rhodes

VIMS Books and Book Chapters

Oysters contaminated in nature depurated fecal coliforms to levels below 50/100 g in 48 hr over a wide range of environmental conditions typical of the lower Chesapeake Bay region. Temperature was found to be the most crilical environmental factor with conditions below 10-12°C having the potential of inhibiting depuration. Coliform clearance did not appear to be correlated with pumping rate or biodeposition activity of oysters. Oysters infected with the pathogens Dermocystidium marinum and Minchinia nelsoni (MSX) depurated as rapidly as uninfected ones. Meat quality and size of oysters likewise did not affect depuration.

Four commercial-size tanks of different designs were …

Marine Resource Bulletin Vol. 11, No. 1, Virginia Sea Grant, Virginia Institute Of Marine Science

Virginia Marine Resource Bulletin

No abstract provided.

The College Of William & Mary, School Of Marine Science, 1979-80 Program, College Of William & Mary, School Of Marine Science

Miscellaneous

Catalog for the Graduate program of the School of Marine Science at the College of William & Mary for the listed academic year.

School Of Marine Science Graduate Program Catalogs, College Of William And Mary, School Of Marine Science

Miscellaneous

Catalogs for the Graduate program from the School of Marine Science at the College of William and Mary for the listed academic year.

Angiosperm Growth, Distribution, And Tissue Nitrogen Concentration In A Sewage-Impacted Marsh, Yorktown Creek, Virginia, Mark Steven Kowalski

Dissertations, Theses, and Masters Projects

No abstract provided.

The Impact Of Dredging On Public Grounds In The Pocomoke Sound Area During The 1978-1979 Oyster Season, Dexter S. Haven, James P. Whitcomb, Paul C. Kendall

Reports

The areas opened to dredging in Pocomoke Sound by the Virginia Marine Resources Commission (VMRC} were studied by the Virginia Institute of Marine Science (VIMS} to determine the effects of dredging upon the oyster populations.

Oyster Spatfall On Shellstrings In Virginia Rivers: 1978 Annual Summary, Dexter S. Haven, Paul C. Kendall

Reports

The Virginia Institute of Marine Science (VIMS) conducts weekly surveys from June through early October to obtain oyster spatfall information. Spat counts are made from oyster shells strung on wire and suspended from stakes on public and private beds. The number of spat on shells are counted each week of the spawning season to determine the potential of a particular area for receiving a strike and to predict the most likely period the strikes will occur. Shells planted just before the period of maximum set have the best chance of getting a good strike.

The Faunal Assemblages, Community Structure And Life History Patterns Of Decapod Crustacea From The Middle Atlantic Bight, Elizabeth Lewis. Wenner

Dissertations, Theses, and Masters Projects

No abstract provided.

The Abundance, Distribution, And Bionomics Of The Family Macrouridae In The Norfolk Canyon Area, Robert W. Middleton

Dissertations, Theses, and Masters Projects

No abstract provided.

The Spatial Distribution And Agonistic Behavior Of An Eastern Gray Squirrel (Sciurus Carolinensis) Population On Jamestown Island, Virginia, Marston Earl Youngblood

Dissertations, Theses, and Masters Projects

No abstract provided.

Irreversible Nongenetic Temperature Adaptation Of Oxygen Uptake In Clones Of The Sea Anemone Haliplanella Luciae (Verrill), William Ernest Zamer

Dissertations, Theses, and Masters Projects

No abstract provided.

A Taxonomic Treatment Of The Gentianaceae In Virginia, Georgia A. Hammond-Soltis

Dissertations, Theses, and Masters Projects

No abstract provided.

Cell Structure Of Shellfish Pathogens And Hyper-Parasites In The Genera Minchinia, Urosporidium, Haplosporidium, And Marteilia - Taxonomic Implications, Frank O. Perkins

VIMS Articles

No abstract provided.

Oyster Diseases In Chesapeake Bay, Jay D. Andrews

VIMS Articles

Three major diseases of oysters have been monitored in Virginia estuaries for 2-3 decades. Dermocystidium marinum, causing a warm-season wasting disease, was discovered in Virginia in 1950 and continues actively to kill oysters where beds or populations are found in high salinity waters ( >15%). This disease spreads by close proximity of dying oysters to other oysters, hence each isolated bed must be sampled in early fall annually to document activity of the pathogen. Control involves avoiding infected seed oysters, cleaning beds of all oysters after harvest, and isolation of new beds. A new pathogen, Minchinia nelsoni (MSX), caused …

A Mechanical Escalator Harvester For Live Oysters And Shell, Dexter S. Haven, John P. Whitcomb, Q C. Davis

VIMS Articles

A mechanical oyster harvester was designed, constructed and tested in Chesapeake Bay,Va.,from 1972 to 1976. It couples the escalator system of a conventional Maryland soft clam dredge with a newly designed head. Revolving spring-loaded teeth attached to two drums in the head pull or rake oysters from the bottom and horizontal water jets and the action of the revolving teeth impel the oysters onto a conveyor belt which carries the oysters to the boat.

Description And Occurrence Of Vexillifer Larvae Of Echiodon (Pisces, Carapidae) In The Western North-Atlantic And Notes On Other Carapid Vexillifers, Je Olney, Df Markle

VIMS Articles

Five hundred twenty-two vexillifers of an unnamed species of the carapid genus Echiodon are reported from ichthyoplankton collections made in the Caribbean Sea, Gulf of Mexico, Middle Atlantic Bight, Sargasso Sea, and Scotian Shelf. These are compared with 36 vexi1lifers and one juvenile of the only other known western Atlantic carapine, Campus ber- I/ludensis, as well as two small unidentified western Atlantic vexillifers, and eight eastern Pacific vexillifers of E. exsiliul/l. Vexillum placement relative to anal-fin origin, myomeres, and vertebral centra appears to be a useful character for separating Echiodon vexillifers from other western Atlantic carapids. The vexillum in Echiodon …

A Comparison Of The Herpetofauna Of Four Different-Aged Wooded Stands, George Joseph Rosa

Dissertations, Theses, and Masters Projects

No abstract provided.

The Use Of Sonic Gear To Chart Locations Of Natural Bars In Lower Chesapeake Bay., D. S. Haven, J. P. Whitcomb, J. M. Zeigler, W. C. Hale

VIMS Articles

An underwater microphone has been developed to detect shell material on the bottom. The system is simple to use and easily constructed. It consists of a microphone encased in a PVC tube and suspended from an A-frame which is towed over the bottom. It is being used along with other methods to chart oyster bottoms in Virginia.

The Economic Impact And Status Of The Offshore Fishing Industry In Virginia, William Dupaul, Samuel Baker

Reports

This report summarizes the offshore fishing industry in Virginia in terms of its employment, income generated and overall economic impact to the economy of the Connnonwealth. Data obtained for these purposes were also used to construct a budgetary analysis of offshore fishing vessels operating from ports in Virginia.

Haplosporidian And Haplosporidian-Like Diseases Of Shellfish, Frank O. Perkins

VIMS Articles

No abstract provided.

Some Aspects Of The Biology Of Deep-Sea Lobsters Of The Family Polychelidae (Crustacea, Decapoda) From The Western North-Atlantic, Elizabeth L. Wenner

VIMS Articles

No abstract provided.

Marine Invertebrates, Marvin L. Wass

VIMS Books and Book Chapters

Virginia and Maryland are favored with the largest estuary in the United States-the Chesapeake Bay. The Bay is 289 kilometers (173 miles) long and 47.6 kilometers (28.6 miles) wide near Smith Point. The estuary is relatively shallow, with an average depth of 8.05 meters (26.4 feet) and a maximum depth of 53 meters (174 feet) at Blood Point Light in Maryland. The greatest depth in Virginia is near Smith Point: 44 meters (144 feet) (Wolman, 1968). While this deep hole has probably never been sampled for benthos, many rare species have been collected in an area just south of Smith …

Sensing The Sea : A Curriculum Guide In Marine Education For Grades Kindergarten And First, Ellen Odell-Fisher, Ronald N. Giese

Reports

No abstract provided.

A Laboratory Analysis Of Kepone Depuration By Spot, Leiostomus Xanthurus, Marion Y. Hedgepeth, Robert T. Doyle, Linda Stehlik

Reports

No abstract provided.

Middle Atlantic Outer Continental Shelf Environmental Studies Volume Iii: Geologic Studies, Harley J. Knebel, Et Al

Reports

The Middle Atlantic Outer Continental Shelf Environmental Studies is comprised of three volumes.

• Volume I. Executive Summary.
• Volume IIA, IIB, IIC and IID. Chemical and Biological Benchmark Studies.
• Volume III. Geologic Studies.

This third volume in the study contains the following:

• CHAPTER 1. INTRODUCTION by Harley J. Knebel
• CHAPTER 2. BOTTOM CURRENTS AND BOTTOM SEDIMENT MOBILITY IN THE OFFSHORE MIDDLE ATLANTIC BIGHT, 1976-1977 by Bradford Butman and Marlene Noble
• CHAPTER 3. SESTON IN MIDDLE ATLANTIC SHELF AND SLOPE WATERS 1976-1977 by John D. Milliman, Michael H. Bothner, and Carol M. Parmenter
• CHAPTER 4. SUBMERSIBLE OBSERVATIONS …