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Articles 1 - 30 of 41
Full-Text Articles in Marine Biology
Sublethal Stress In Escherichia-Coli - Function Of Salinity, I. C. Anderson, Mw Rhodes, H Kator
Sublethal Stress In Escherichia-Coli - Function Of Salinity, I. C. Anderson, Mw Rhodes, H Kator
VIMS Articles
Sublethal stress in Escherichia coli was detected in various test media after exposure (in vitro) to seawater of various salinities. Stress was measured with an electrochemical detection technique and a,-galactosidase assay. Test media included EC medium, medium A-1, and tryptic soy broth modified to contain lactose for /?-galactosidase assay experiments. Stress was defined as the difference between a predicted electrochemical response time calculated for unstarved cells from a standard curve and the observed electrochemical response time for cells starved in seawater. The higher the salinity, the greater the stress for all test media examined. Stress was most pronounced in EC …
A Water Quality Modeling Study Of Lynnhaven Bay, Virginia, A. Y. Kuo, P. V. Hyer
A Water Quality Modeling Study Of Lynnhaven Bay, Virginia, A. Y. Kuo, P. V. Hyer
Reports
The City of Virginia Beach has proposed channel dredging in the Eastern Branch of the Lynnhaven Bay for the purposes of recreations and drainage improvement. It is therefore necessary to examine the possible environmental results of such a project. This environmental assessment is complicated by another proposal to modify the Lynnhaven system. The U.S. Army Corps of Engineers has proposed adding a second canal leading to the Eastern Branch, in order to reduce flood damage. This canal project would affect the Lynnhaven system by increasing nonpoint sources of pollution and by increasing the tidal prism. The water quality consequences of …
A Description Of The Commercial Marine Fisheries Of Virginia, James Zaborski
A Description Of The Commercial Marine Fisheries Of Virginia, James Zaborski
Reports
The magnitude and valtte of the fisheries of Virginia are significant. Expansion of some fisheries since 1977 in conjunctio~ with rising prices for fishery products in general has increased the importance of this industry to the Commonwealth. Virginia's fisheries are varied, some segments of the industry such as the oyster fishery have been in existence since colonial days; others, such as the surf clam fishery, are relatively new. The size and composition of the different industries also differ widely. The menhaden fishery exempli~ies what might be termed corporate fishing while the blue crab fishery is conducted by numerous individual owner-operators. …
A Water Quality Study Of The Eastern Branch Of The Lynnhaven Bay, Virginia, Albert Y. Kuo, Paul V. Hyer
A Water Quality Study Of The Eastern Branch Of The Lynnhaven Bay, Virginia, Albert Y. Kuo, Paul V. Hyer
Reports
To alleviate the flooding in the drainage basin of the Lynnhaven River at Virginia Beach, Virginia, the U. S. Army Corps of Engineers has proposed to improve the waterways along the headwater of the river (House Document, 1976). The improvements include the widening and deepening of the existing canal, and the dredging of a new canal. As a result of the proposed project and the present rate of increase in area development, the freshwater runoff from the drainage basin and the tidal prism in the system are expected to increase. Since nonpoint sources are the only source of pollutants to …
X-Rays Provide Researchers With Views Of Coral Growth Patterns, Richard E. Dodge
X-Rays Provide Researchers With Views Of Coral Growth Patterns, Richard E. Dodge
Marine & Environmental Sciences Faculty Articles
No abstract provided.
Evaluation Of Ventra Vacs At Pier 12 Naval Base, Norfolk, Virginia, Gaines C. Ho, Robert J. Diaz, Bruce J. Neilson
Evaluation Of Ventra Vacs At Pier 12 Naval Base, Norfolk, Virginia, Gaines C. Ho, Robert J. Diaz, Bruce J. Neilson
Reports
No abstract provided.
Gear Feasibility Study For The Cownose Ray, Rhinoptera Bonasus, J. V. Merriner, J. W. Smith
Gear Feasibility Study For The Cownose Ray, Rhinoptera Bonasus, J. V. Merriner, J. W. Smith
Reports
No abstract provided.
A Report To The Oyster Industry Of Virginia On The Biology And Management Of The Cownose Ray (Rhinoptera Bonasus, Mitchill) In Lower Chesapeake Bay, John V. Merriner, Joseph W. Smith
A Report To The Oyster Industry Of Virginia On The Biology And Management Of The Cownose Ray (Rhinoptera Bonasus, Mitchill) In Lower Chesapeake Bay, John V. Merriner, Joseph W. Smith
Reports
The purpose of this report is to: (1) suggest reasons for the recently observed cownose ray predation on Rappahannock River oyster beds and the apparent increased abundance of the ray, and (2) recommend short- and long-term methods to control and/or manage cownose ray predation on commercially important sh1ellfish beds.
Part I - The Distribution And Depuration Of Kepone In American Eels, Anguilla Rostrate, From The James River, Virginia. Part Ii - An Economic Analysis Of The Commerical Depuration Of Kepone Contaminated American Eels, Anguilla Rostrata, From The James River, Virginia, Marion Y. Hedgepeth, Linda L. Stehlik, Charles C. Sharman Jr.
Part I - The Distribution And Depuration Of Kepone In American Eels, Anguilla Rostrate, From The James River, Virginia. Part Ii - An Economic Analysis Of The Commerical Depuration Of Kepone Contaminated American Eels, Anguilla Rostrata, From The James River, Virginia, Marion Y. Hedgepeth, Linda L. Stehlik, Charles C. Sharman Jr.
Reports
No abstract provided.
Distribution And Abundance Of Submerged Aquatic Vegetation In The Lower Chesapeake Bay, Virginia, Robert J. Orth, Kenneth A. Moore, Hayden H. Gordon
Distribution And Abundance Of Submerged Aquatic Vegetation In The Lower Chesapeake Bay, Virginia, Robert J. Orth, Kenneth A. Moore, Hayden H. Gordon
Reports
The distribution and abundance of submerged aquatic vegetation (SAV) in the lower Chesapeake Bay and its tributaries were delineated with color aerial photography and surface information. Over 8500 hectares of SAV were identified on 31 topographic quadrangles. To enable computer retrieval of the aerial resource information, all information from the 1978 mapping effort was entered into a data base based on the Universal Transverse Mercator coordinate system.
The greatest concentrations of SAV were found at the mouths of the largest tidal rivers and creeks along the Chesapeake Bay shoreline, and to the east of Tangier and Great Fox Islands. Freshwater …
Recreational Atlantic Mackerel (Scomber Scombrus) Fishery In Virginia, 1978, Joseph Smith
Recreational Atlantic Mackerel (Scomber Scombrus) Fishery In Virginia, 1978, Joseph Smith
Reports
No abstract provided.
Middle Atlantic Outer Continental Shelf Environmental Studies Volume 1: Executive Summary, E. M. Burreson, H. J. Knebel
Middle Atlantic Outer Continental Shelf Environmental Studies Volume 1: Executive Summary, E. M. Burreson, H. J. Knebel
Reports
Increasing demand for petroleum and natural gas in the United States has led to a need for development of reliable new domestic sources. The Outer Continental Shelf of the United States holds great interest among the oil companies for possible exploration and development of oil and gas resources to meet this need. This interest was demonstrated for the Middle Atlantic Outer Continental Shelf in the oil companies' response to the lease sale conducted in August 1976. Of the 154 tracts comprising 876,750 acres offered for lease in August 1975 for exploratory drilling in the Baltimore Canyon Trough (Figure 1), oil …
Isolation And Identification Of Yeasts From The Barren River, Richard Vanenk
Isolation And Identification Of Yeasts From The Barren River, Richard Vanenk
Masters Theses & Specialist Projects
The Barren River was sampled twice monthly for one year to obtain data on aquatic yeasts. Sites upstream and downstream of the Bowling Green sewage plant, as well as the sewage effluent, were sampled to ascertain if the effluent had any effect on the yeast population of the river. Sporadic yeast counts were obtained which averaged 40 CFU/ml for the effluent, while the river averaged 15 CFU/ml. A total of 318 yeasts were isolated and identified during the study, including 16 different genera with Cryptococcus being the most common. Cryptococcus laurentii occurred most frequently of the 67 different species identified. …
Some Aspects Of The Ecology Of Larval Fishes In Rough River Lake, Kentucky, Greg Allen Kindschi
Some Aspects Of The Ecology Of Larval Fishes In Rough River Lake, Kentucky, Greg Allen Kindschi
Masters Theses & Specialist Projects
In Rough River Lake, Kentucky, some aspects of the ecology of larval and juvenile fishes were investigated from April – August, 1978. Larval fishes were collected weekly from the upper reaches of the lake from the surface and bottom, during daylight and dark periods.
Twenty-three species and three categories of unknown larval and juvenile fishes, represented by 177,119 individuals, were collected. White bass and logperch larvae were the first to appear on April 15 with surface water temperatures of 18.5 C. Gizzard shad larvae dominated net collection while Lepomis spp. were the second most abundant. Larvae were primarily concentrated …
Estuarine Response To Nutrient Enrichment, A Counterpart Of Eutrophication : An Annotated Bibliography, K. L. Webb, D. M. Hayward, J. M. Baker, B. Murray
Estuarine Response To Nutrient Enrichment, A Counterpart Of Eutrophication : An Annotated Bibliography, K. L. Webb, D. M. Hayward, J. M. Baker, B. Murray
Reports
This work is a result of our efforts to compile the literature related to the results of nutrient enrichment of estuaries. It consists of two related publications, a bibliography and an annotated bibliography; both works are accompanied by an index which applies to either bibliography. An attempt has been made to include some key papers related to various processes, eg. nutrient uptake by phytoplankton, which influence or participate in the response process.
Summary Of Shoreline Situation Reports For Virginia's Tidewater Localities, Carl H. Hobbs Iii, Dennis W. Owen, Lynne C. Morgan
Summary Of Shoreline Situation Reports For Virginia's Tidewater Localities, Carl H. Hobbs Iii, Dennis W. Owen, Lynne C. Morgan
Reports
This summary report marks the completion of the Shoreline Situation Report project. For over six years project team members with the Department of Geological Oceanography at the Virginia Institute of Marine Science have inventoried over 5,000 miles of shoreline in Tidewater Virginia. The methodology was developed and evaluated with funding through the Chesapeake Research Consortium, Inc. from the Research Applied to National Needs (RANN) program of the National Science Foundation. After preliminary evaluation as to its worth, the project became part of Virginia's Coastal Resources Management Program, supported by the Office of Conmerce and Resources with funds provided by the …
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
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
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 …
James River Hydraulic Model Study With Respect To The Proposed Third Bridge-Tunnel Causeway In Hampton Roads, C. S. Fang
James River Hydraulic Model Study With Respect To The Proposed Third Bridge-Tunnel Causeway In Hampton Roads, C. S. Fang
Reports
No abstract provided.
The College Of William & Mary, School Of Marine Science, 1979-80 Program, College Of William & Mary, School Of Marine Science
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
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.
A Redescription Of The Wood-Rasping Amphipod Trophichelura Gomezi Ortiz, 1976 (Cheluridae) From The Florida Keys, With Notes On Its Distribution And Ecology, James Darwin Thomas
A Redescription Of The Wood-Rasping Amphipod Trophichelura Gomezi Ortiz, 1976 (Cheluridae) From The Florida Keys, With Notes On Its Distribution And Ecology, James Darwin Thomas
Marine & Environmental Sciences Faculty Articles
The wood-rasping amphipod, Tropichelura gomezi Ortiz, 1976, is redescribed from the Florida Keys to include diagnostic characters omitted in the original description. Morphological characters and distributional patterns of T. gomezi are compared with those of the other member of the genus, Tropichelura insulae (Caiman, 1910). Laboratory studies show that T. gomezi defends its burrow entrance from other members of its species, but tolerates the presence of limnoriid isopods with which it cooccurs. A lectotype for Tropichelura insulae is designated .
A New Species Of Cerapus Say, 1817 (Crustacea: Amphipoda) From The Northern Gulf Of Mexico, With Notes On Its Ecology, James Darwin Thomas, Richard W. Heard
A New Species Of Cerapus Say, 1817 (Crustacea: Amphipoda) From The Northern Gulf Of Mexico, With Notes On Its Ecology, James Darwin Thomas, Richard W. Heard
Marine & Environmental Sciences Faculty Articles
During research in coastal marshes of the Mississippi Delta region in 1975, a large, undescribed amphipod belonging to the genus Cerapus was discovered in tidal channels. This new species, C. benthophilus, is characterized by its large size and 7-12 segmented antennal flagella. Habitat preference is muddy silt bottoms upon which it constructs conspicuous mats or "tufts" of interwoven tubes in shallow coastal bays and marshes from Louisiana to the panhandle areas of northern Florida.
An Analysis Of Phytoplankton, Microzooplankton And Mesozooplankton Populations In The Vicinity Of The C. P. Crane Generating Station During The Spring Months Of 1979, George C. Grant, Stephen P. Berkowitz
An Analysis Of Phytoplankton, Microzooplankton And Mesozooplankton Populations In The Vicinity Of The C. P. Crane Generating Station During The Spring Months Of 1979, George C. Grant, Stephen P. Berkowitz
Reports
Sampling of spring 1979 plankton populations at the C.P. Crane site was conducted at 15 stations during six sampling periods for phytoplankton, at 5 stations monthly from March to June for microzooplankton and monthly at 14 stations for mesozooplankton. Ancillary physical data were collected at all the above stations, while nutrients were measured twice in April.
The Role Of Filter-Feeding Organisms In Concentration Of Suspended Solids Containing Kepone Into Bottom Deposits, Dexter S. Haven, Reinaldo Morales-Alamo
The Role Of Filter-Feeding Organisms In Concentration Of Suspended Solids Containing Kepone Into Bottom Deposits, Dexter S. Haven, Reinaldo Morales-Alamo
Reports
Filter-feeding marine animals such as molluscs, tunicates and barnacles filter particles as small as 1 micron from suspension during their feeding process and void them as fecal pellets. These settle at much faster rates than their component particles. Feces or pseudofeces which settle are termed biodeposits. Eighty-two to 93 percent by volume of the particles in the biodeposits of several species of molluscs are smaller than 4 microns; the range in size of those particles is about 1 to 10 microns (Haven and Morales-Alamo, 1973). (...)
Community Structure Of Fishes On The Continental Slope And Rise Off The Middle Atlantic Coast Of The United States, John A. Musick
Community Structure Of Fishes On The Continental Slope And Rise Off The Middle Atlantic Coast Of The United States, John A. Musick
Reports
Otter trawl cruises were conducted off the middle Atlantic coast of the U. S. from 1971 to 1975. More than 50,000 specimens of demersal fishes were captured during this program at depths of 75 m to 3000 m. Species assemblages were distributed along a coenocline with bathymetric areas of rapid faunal change (anantoclines) and of more gradual faunal change (aganoclines). Between 75 and 3000 m anantoclines were found at 150 to 200 m, 400 to 600 m, 900 to 1000 m, 1350 to 1500 m, and 1900 to 2100 m. Species diversity (Hl) increased between the continental shelf and slope, …
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
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 …
The Economic Impact And Status Of The Offshore Fishing Industry In Virginia, William Dupaul, Samuel Baker
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.
Lower Bay Zooplankton Monitoring Program : An Introduction To The Program And Results Of The Initial Survey Of March 1978, George C. Grant, John E. Olney
Lower Bay Zooplankton Monitoring Program : An Introduction To The Program And Results Of The Initial Survey Of March 1978, George C. Grant, John E. Olney
Reports
The zooplankton of Chesapeake Bay occurs as two definable, seasonal populations: a summer-fall community, peaking in August, and a winter-spring assemblage, peaking in February or March (Grant 1977; Jacobs 1978). A minimum of two surveys per year are therefore required for long-term assessment of these communities: March and August have been selected as sampling months. Adequate assessment of meroplankton, particularly fish eggs and larvae and the larvae of decapod crustaceans, requires sampling over the principal reproductive period of June through August (Goy 1976; Olney 1978). Surveys for these components only are to be conducted in June and July, in addition …
The Economic Impact Of The Sea Scallop (Placopecten Magellanicus) Fishery In Virginia, William Dupaul, Samuel Baker
The Economic Impact Of The Sea Scallop (Placopecten Magellanicus) Fishery In Virginia, William Dupaul, Samuel Baker
Reports
No abstract provided.