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Articles 31 - 60 of 228
Full-Text Articles in Entire DC Network
Evaluation Of Striped Bass Stocks In Virginia: Monitoring Studies, 1993-1998 Completion Report 1 September 1997 - 31 October 1998, Philip W. Sadler, Robert E. Harris Jr., Jason Romine, John E. Olney Sr.
Evaluation Of Striped Bass Stocks In Virginia: Monitoring Studies, 1993-1998 Completion Report 1 September 1997 - 31 October 1998, Philip W. Sadler, Robert E. Harris Jr., Jason Romine, John E. Olney Sr.
Reports
To document continued compliance with Federal law, the Virginia Institute of Marine Science (VIMS) Anadromous Program (AP) has monitored the size and age composition, sex ratio and maturity schedules of the spawning striped bass stock in the Rappahannock River since December 1981 utilizing commercial pound nets and, since 1991, variable-mesh experimental anchored gill nets. Spawning stock assessment was expanded to include the James River in 1994 utilizing extant commercial fyke nets and variable-mesh experimental gill nets. The use of fyke nets was discontinued after 1997. Tagging programs have been conducted in the James and Rappahannock rivers since 1987 in conjunction …
Elizabeth River Tbt Monitoring Report On Tbt Methodology Detection Limit, Precision And Linearity, Michael A. Unger
Elizabeth River Tbt Monitoring Report On Tbt Methodology Detection Limit, Precision And Linearity, Michael A. Unger
Reports
The purpose of this project was to determine the accuracy, precision, linearity and Method Detection Limit (MDL) for tributyltin (TBT) analytical techniques available at the Virginia Institute of Marine Science prior to implementing an environmental monitoring program in the Elizabeth River, Virginia. This precursory work is to document the ability of analytical techniques to accurately detect TBT in ambient water samples at concentrations of 1 ng/L and greater.
Radiocarbon In Marine Bacteria: Evidence For The Ages Of Assimilated Carbon, J Cherrier, Je Bauer, Et Al
Radiocarbon In Marine Bacteria: Evidence For The Ages Of Assimilated Carbon, J Cherrier, Je Bauer, Et Al
VIMS Articles
It is generally accepted that marine bacteria utilize labile, recently produced components of bulk dissolved organic matter. This interpretation is based largely on indirect measurements using model compounds and plankton-derived organic matter. Here, we present an assessment of the relative proportions of modem and older dissolved organic carbon (DOC) utilized by marine bacteria. Bacterial nucleic acids were collected from both estuarine (Santa Rosa Sound, FL) and open-ocean (eastern North Pacific) sites, and the natural radiocarbon signatures of the nucleic acid carbon in both systems were determined. Bacterial nucleic acids from Santa Rosa Sound were significantly enriched in radiocarbon with respect …
Antigenic And Functional Characterization Of P57 Produced By Renibacterium Salmoninarum, Gd Wiens, Ms Chien, Jr Winton, Sl Kaattari
Antigenic And Functional Characterization Of P57 Produced By Renibacterium Salmoninarum, Gd Wiens, Ms Chien, Jr Winton, Sl Kaattari
VIMS Articles
Renibacterium salmoninarum, the causative agent of bacterial kidney disease, produces large quantities of a 57-58 kDa protein (p57) during growth in broth culture and during infection of salmonid fish. Biological activities of secreted p57 include agglutination of salmonid leucocytes and rabbit erythrocytes. We define the location of epitopes on p57 recognized by agglutination-blocking monoclonal antibodies (MAbs) 4C11, 4H8 and 4D3, and demonstrate that the majority of secreted p57 is a monomer that retains salmonid leucocyte agglutinating activity. The 3 MAbs bound a recombinant, amino-terminal fragment of p57 (211 aa) but not a carboxy-terminal fragment (315 aa) demonstrating that the neutralizing …
Jewelweed, Touch-Me-Not Impatiens Capensis Meerb., Gene Silberhorn
Jewelweed, Touch-Me-Not Impatiens Capensis Meerb., Gene Silberhorn
Reports
The Wetland Flora Technical Report series provides concise information regarding the identification, growth habits, distribution, habitat, ecology and wetland indicator status for the title species. Illustrations are also included to aid in specimen ident
Tulloch Ditching, Carl Hershner, Virginia Institute Of Marine Science, Wetlands Program
Tulloch Ditching, Carl Hershner, Virginia Institute Of Marine Science, Wetlands Program
Reports
No abstract provided.
Elevated Temperature Treatment As A Novel Method For Decreasing P57 On The Cell Surface Of Renibacterium Salmoninarum, Jon D. Piganelli, Gregory D. Weins, Stephen L. Kaattari
Elevated Temperature Treatment As A Novel Method For Decreasing P57 On The Cell Surface Of Renibacterium Salmoninarum, Jon D. Piganelli, Gregory D. Weins, Stephen L. Kaattari
VIMS Articles
Renibacterium salmoninarum is a Gram-positive diplo-bacillus and the causative agent of bacterial kidney disease, a prevalent disease of salmonid fish. Virulent isolates of R. salmoninarum have a hydrophobic cell surface and express the 57-58 kDa protein (p57). Here we have investigated parameters which effect cell hydrophobicity and p57 degradation. Incubation of R, salmoninarum cells at 37 degrees C for >4 h decreased cell surface hydrophobicity as measured by the salt aggregation assay, and decreased the amount of cell associated p57. Incubation of cells at lower temperatures (22, 17, 4 or -20 degrees C) for up to 16 h did not …
Analysis Of Historical Distribution Of Submerged Aquatic Vegetation (Sav) In The James River, Ken Moore, David J. Wilcox, R J. Orth, Eva Bailey
Analysis Of Historical Distribution Of Submerged Aquatic Vegetation (Sav) In The James River, Ken Moore, David J. Wilcox, R J. Orth, Eva Bailey
Reports
Analyses of historical photography and ground surveys dating from the 1930s indicate that approximately 1645 hectares of SAV have been historically present in shallow water regions throughout the James River. This compares to 77 hectares of vegetation reported in 1997 and a James River Tier I SAV restoration goal of 107 hectares (areas mappped with SAV from 1971- 1991). Overall, the temporal and spatial patterns of loss of SAV populations in the James River suggest declines occurred first in the tidal freshwater regions of the upper James beginning approximately 50 years ago, and then subsequently in the lower James beginning …
Increasing The Probability Of Success In Restored Forested Wetlands, Kirk J. Havens, Gene Silberhorn
Increasing The Probability Of Success In Restored Forested Wetlands, Kirk J. Havens, Gene Silberhorn
Reports
This study investigated survival and growth of two distinct ecotypic populations, with varying tolerance to waterlogging, of four species, Taxodium distichum (L.) Richard, Carpinus caroliniana Walt., Quercus michauxii Nutt. and Quercus pagoda Raf. (Syn. Q.falcata var. pagodifolia Ell.).
Results Of Modifications To Sea Scallop Dredge Twine Tops To Facilitate The Reduction Of Finfish Bycatch: Georges Bank Closed Area Ii Experimental Fishery September-October 1998, William D. Dupaul, David B. Rudders, David Kerstetter
Results Of Modifications To Sea Scallop Dredge Twine Tops To Facilitate The Reduction Of Finfish Bycatch: Georges Bank Closed Area Ii Experimental Fishery September-October 1998, William D. Dupaul, David B. Rudders, David Kerstetter
Reports
No abstract provided.
The Virginia Wetlands Report Vol. 14, No. 1, Virginia Institute Of Marine Science
The Virginia Wetlands Report Vol. 14, No. 1, Virginia Institute Of Marine Science
Virginia Wetlands Reports
- Horseshoes Anyone? Tom Barnard and Lyle Varnell
- Striped Mullet. Lyle Varnell
- Shoreline Situation Reports: Revised, Revisited, and Updated. Marcia Berman
- Wetlands
- Initiative Gains Momentum. Carl Hershner The Marsh Arabs of Southern Iraq. Pam Mason
- Compensatory Mitigation Issues: Is the planting of nonvegetated wetlands with wetland plants an acceptable form of mitigation? Kirk Havens
- What are benchmarks and why are they important in my permit application drawings? William Roberts
Monkey-Flower Mimulus Alatus Ait., Gene Silberhorn
Monkey-Flower Mimulus Alatus Ait., Gene Silberhorn
Reports
The Wetland Flora Technical Report series provides concise information regarding the identification, growth habits, distribution, habitat, ecology and wetland indicator status for the title species. Illustrations are also included to aid in specimen ident
Status Of The Major Oyster Diseases In Virginia 1998 A Summary Of The Annual Monitoring Program, Lisa M. Ragone Calvo, Eugene M. Burreson
Status Of The Major Oyster Diseases In Virginia 1998 A Summary Of The Annual Monitoring Program, Lisa M. Ragone Calvo, Eugene M. Burreson
Reports
No abstract provided.
Three Dimensional Hydrodynamic-Sedimentation Modeling Study : Hampton Roads Crossing, Lower James River, Virginia, John D. Boon, Harry V. Wang, S. C. Kim, Albert Y. Kuo, G. M. Sisson
Three Dimensional Hydrodynamic-Sedimentation Modeling Study : Hampton Roads Crossing, Lower James River, Virginia, John D. Boon, Harry V. Wang, S. C. Kim, Albert Y. Kuo, G. M. Sisson
Reports
A three-dimensional hydrodynamic-sedimentation computer model, HYSED-3D, was used to evaluate the effect of bridge-tunnel infrastructure for a proposed highway crossing of Hampton Roads on the physical characteristics (tides, currents, circulation, salinity, and sedimentation) of the James River estuary in Virginia. Model-represented infrastructure included tunnel islands and bridges on pilings connecting the islands to interstate highways in Newport News, Hampton, Norfolk, and Portsmouth, Virginia. Combinations of these elements occur in each of three proposed crossing routes designated Alternative 1 (Hampton-Norfolk), Alternative 2 (Hampton-Norfolk, Norfolk-Portsmouth), and Alternative 9 (Newport News-Portsmouth-Norfolk). Simulation comparisons were made between the existing waterways and infrastructure in Hampton …
"I Know What We're Doing, But How Do We Do It?": Action Sequences For Curriculum-Based Telecomputing, Judi Harris
"I Know What We're Doing, But How Do We Do It?": Action Sequences For Curriculum-Based Telecomputing, Judi Harris
School of Education Articles
Once we have designed an Internet-supported educational activity, how can we know how to help students participate in and with it? As teachers who guide students’ learning,we know that true knowing comes from doing. This is why it is important to include action sequences in our plans for curriculum-based learning activities. The most engagingly structured educational project serves nobody unless it is operationalized appropriately.
Non-Redfield Carbon And Nitrogen Cycling In The Arctic: Effects Of Ecosystem Structure And Dynamics, Kendra L. Daly, Douglas W.R. Wallace, Walker O. Smith Jr., Annelie Skoog, Ruben Lara, Michel Gosselin, Eva Falck, Patricia L. Yager
Non-Redfield Carbon And Nitrogen Cycling In The Arctic: Effects Of Ecosystem Structure And Dynamics, Kendra L. Daly, Douglas W.R. Wallace, Walker O. Smith Jr., Annelie Skoog, Ruben Lara, Michel Gosselin, Eva Falck, Patricia L. Yager
VIMS Articles
The C:N ratio is a critical parameter used in both global ocean carbon models and field studies to understand carbon and nutrient cycling as well as to estimate exported carbon from the euphotic zone. The so-called Redfield ratio (C:N = 6.6 by atoms) [Redfield et nl., 1963] is widely used for such calculations. Here we present data from the NE Greenland continental shelf that show that most of the C:N ratios for particulate (autotrophic and heterotrophic) and dissolved pools and rates of transformation among them exceed Redfield proportions from June to August, owing to species composition, size, and biological interactions. …
Shoreline Management Plan With Habitat Enhancement For Town Of Saxis, Virginia, C. Scott Hardaway Jr., Donna A. Milligan, George R. Thomas, Rebecca C.H. Brindley, Lyle M. Varnell, Walter L. Priest, Sharon Dewing
Shoreline Management Plan With Habitat Enhancement For Town Of Saxis, Virginia, C. Scott Hardaway Jr., Donna A. Milligan, George R. Thomas, Rebecca C.H. Brindley, Lyle M. Varnell, Walter L. Priest, Sharon Dewing
Reports
The goal of the present study is to identify the best course of action to manage shoreline erosion in Saxis and to provide a detailed Shoreline Management Plan with Habitat Enhancement which can be presented to potential State and Federal funding agencies. While the Plan itself will not resolve the erosion conditions in Saxis, it will allow the Town to market its need and the method of resolution of this need, to agencies and leaders with the resources to implement the Plan’s suggested actions. The shoreline management plan will provide the necessary level of shoreline stabilization while minimizing adverse impacts …
Gloucester County Shoreline And Tidal Marsh Inventory, Marcia Berman, Harry Berquist, Sharon Dewing, George Thomas, Rose Laird
Gloucester County Shoreline And Tidal Marsh Inventory, Marcia Berman, Harry Berquist, Sharon Dewing, George Thomas, Rose Laird
Reports
This inventory is intended to serve as a useful planning tool for managers, planners, regulators, and environmentalists with an interest in Gloucester County. This report documents conditions measured in the County of Gloucester using remote sensing techniques. Two separate activities have occurred in tandem to develop this inventory of tidal marsh, and shoreline features. First, a delineation of tidal marshes within the county used high end image processing software along with color infra-red imagery to delineate the boundaries oftidal marshes'within 33 georeferenced scenes. The process calculates the amount of tidal marsh measured within each river segment in acres. Second, the …
Vims Shoreline Permit Database Impacts And Alterations Summary 1988 - 1992, Walter I. Priest Iii, Lyle M. Varnell, Thomas A. Barnard, Julie G. Bradshaw, Kirk J. Havens, Carl Hershner, Pamela Mason, William L. Roberts, Virginia Institute Of Marine Science, Wetlands Program
Vims Shoreline Permit Database Impacts And Alterations Summary 1988 - 1992, Walter I. Priest Iii, Lyle M. Varnell, Thomas A. Barnard, Julie G. Bradshaw, Kirk J. Havens, Carl Hershner, Pamela Mason, William L. Roberts, Virginia Institute Of Marine Science, Wetlands Program
Reports
No abstract provided.
Overview 1996-1998 Virginia Institute Of Marine Science, Virginia Institute Of Marine Science
Overview 1996-1998 Virginia Institute Of Marine Science, Virginia Institute Of Marine Science
VIMS Annual Reports
No abstract provided.
An Investigation Of The Breeding-Bird Community Within The Fort Lee Army Installation, B. D. Watts
An Investigation Of The Breeding-Bird Community Within The Fort Lee Army Installation, B. D. Watts
CCB Technical Reports
Recent concern for the status of North American bird populations has resulted in an escalation of monitoring and management efforts. Much of this effort has been focused on declining species that migrate between breeding areas in North America and wintering areas in Latin America and the Caribbean. The U.S. Department of Defense (DOD) controls over 10 million hectares of land within the United States making it the third largest land holder in the federal government. Because of the high concentration of military installations within the mid-Atlantic region, DOD lands may represent the most promising opportunity to manage lands for populations …
Autumn Migration Of Northern Saw-Whet Owls On The Lower Delmarva Peninsula 1994-1998, B. D. Watts
Autumn Migration Of Northern Saw-Whet Owls On The Lower Delmarva Peninsula 1994-1998, B. D. Watts
CCB Technical Reports
No abstract provided.
Selective Feeding Behavior Of Larval Naked Gobies Gobiosoma Bosc And Blennies Chasmodes Bosquianus And Hypsoblennius Hentzi: Preferences For Bivalve Veligers, Jm Harding
VIMS Articles
Naked gobies Gobiosoma bose, striped blennies Chasmodes bosquianus, and feather blennies Hypsoblennius hentzi provide important intermediate links within the trophic structure of estuarine oyster reef communities. Predator-prey interactions between planktonic larvae of these fishes and larval eastern oysters Crassostrea virginica may influence recruitment success within oyster reef communities. These 3 species of oyster reef fish larvae were cultured from wild nests and used in multifactorial laboratory feeding experiments with larval oysters or hard clams Mercenaria mercenaria as well as wild plankton as prey items to determine the effects of predator age, predator concentration, and prey type on feeding selectivity of …
1999 Gloucester Point Station Tide Prediction Calendars, Virginia Institute Of Marine Science, David A. Evans
1999 Gloucester Point Station Tide Prediction Calendars, Virginia Institute Of Marine Science, David A. Evans
Miscellaneous
These calendars are produced monthly using David Evans' Tidecal.
Reconsidering Swinburne's Relation To Whitman, David B. Donlon
Reconsidering Swinburne's Relation To Whitman, David B. Donlon
Dissertations, Theses, and Masters Projects
No abstract provided.
1999 Hampton Roads Station Tide Prediction Calendars, Virginia Institute Of Marine Science, David A. Evans
1999 Hampton Roads Station Tide Prediction Calendars, Virginia Institute Of Marine Science, David A. Evans
Miscellaneous
These calendars are produced monthly using David Evans' Tidecal.
School Of Marine Science Graduate Catalog 1999-2000, College Of William And Mary, School Of Marine Science
School Of Marine Science Graduate Catalog 1999-2000, College Of William And 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.
1998 Annual Awards, Virginia Institute Of Marine Science
1998 Annual Awards, Virginia Institute Of Marine Science
Miscellaneous
The Annual Awards ceremony is an occasion in which new employees and volunteers are introduced, employee service is recognized and student and faculty awards are presented.
1999 Wachapreague Station Tide Prediction Calendars, Virginia Institute Of Marine Science, David A. Evans
1999 Wachapreague Station Tide Prediction Calendars, Virginia Institute Of Marine Science, David A. Evans
Miscellaneous
These calendars are produced monthly using David Evans' Tidecal.
The Fashionable Set: The Feasibility Of Social Tea Drinking In 1774, Samantha M. Ligon
The Fashionable Set: The Feasibility Of Social Tea Drinking In 1774, Samantha M. Ligon
Dissertations, Theses, and Masters Projects
No abstract provided.