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- Research and Technical Reports (28)
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Articles 1 - 30 of 38
Full-Text Articles in Life Sciences
Biology And Management Of River Herring And Shad In Virginia : Annual Report, Anadromous Fish Project 1975, Walter J. Hoagman, William H. Kriete
Biology And Management Of River Herring And Shad In Virginia : Annual Report, Anadromous Fish Project 1975, Walter J. Hoagman, William H. Kriete
Reports
The number of pound nets and the catch of· alosines per net continued to decline in 1975. Effort by sta.ke gill nets.· increased but catch estimates declined. The James River · yielded an estimated 853,847 pounds of American shad (down 47% from 1974) with the peak of the run at the end of March. Stake gill nets landed 246,036. pounds of American shad in the York River, a decrease from 1974. Estimates of Hickory shad landings declined 83% in the York River. Pound nets in the Rappahannock River had a 75% reduction in American shad catch and stake gill net …
City Of Hampton Tidal Marsh Inventory, Thomas A. Barnard, Gene M. Silberhorn
City Of Hampton Tidal Marsh Inventory, Thomas A. Barnard, Gene M. Silberhorn
Reports
No abstract provided.
Hydrography And Hydrodynamics Of Virginia Estuaries Viii: Mathematical Model Studies Of Water Quality Of The York River System, P. V. Hyer, A. Y. Kuo, C. S. Fang, William J. Hargis Jr.
Hydrography And Hydrodynamics Of Virginia Estuaries Viii: Mathematical Model Studies Of Water Quality Of The York River System, P. V. Hyer, A. Y. Kuo, C. S. Fang, William J. Hargis Jr.
Reports
No abstract provided.
Hydrography And Hydrodynamics Of Virginia Estuaries Vi: Mathematical Model Studies Of Water Quality Of The Rappahannock Estuary, A. Y. Kuo, A. Rosenbaum, P. V. Hyer, C. S. Fang
Hydrography And Hydrodynamics Of Virginia Estuaries Vi: Mathematical Model Studies Of Water Quality Of The Rappahannock Estuary, A. Y. Kuo, A. Rosenbaum, P. V. Hyer, C. S. Fang
Reports
No abstract provided.
Vepco Surry Power Plant Study, River Biota And Phytoplankton Entrainment Sections : Progress Report July 1975, R. Jordan, R. Carpenter, C. Becker, M Ho
Vepco Surry Power Plant Study, River Biota And Phytoplankton Entrainment Sections : Progress Report July 1975, R. Jordan, R. Carpenter, C. Becker, M Ho
Reports
This report summarizes the biological data collected from January through June 1975 in the river and phytoplankton entrainment portions of the VEPCO Surry Power Plant Study. The sampling program conducted during this period in the Hog Island area of the James River consisted of an expanded version of a study initiated in May 1969 to monitor certain aquatic communities that could be affected by the operation of the power plant. The river phytoplankton, zooplankton, benthos and fouling organism communities have been included in the past and present study designs. The phytoplankton entrainment substudy was begun in April 1975 with the …
Bathymetric Chart Comparisons: A Manual Of Methodology, Error Criteria, And Applications, A. H. Sallenger, V. Goldsmith, C. H. Sutton
Bathymetric Chart Comparisons: A Manual Of Methodology, Error Criteria, And Applications, A. H. Sallenger, V. Goldsmith, C. H. Sutton
Reports
No abstract provided.
An Assessment Of Estuarine And Nearshore Marine Environments, M. P. Lynch, B. L. Laird, N. B. Theberge, J. C. Jones
An Assessment Of Estuarine And Nearshore Marine Environments, M. P. Lynch, B. L. Laird, N. B. Theberge, J. C. Jones
Reports
No abstract provided.
The Chesapeake Bay: A Study Of Present And Furture Water Quality And Its Ecological Effects Volume I: Analysis And Projection Of Water Quality, A. Y. Kuo, Arlene Rosenbaum, John P. Jacobson, C. S. Fang
The Chesapeake Bay: A Study Of Present And Furture Water Quality And Its Ecological Effects Volume I: Analysis And Projection Of Water Quality, A. Y. Kuo, Arlene Rosenbaum, John P. Jacobson, C. S. Fang
Reports
This study, prepared for the National Commission on Water Quality, is an analysis of the present and future water quality in the Chesapeake Bay from the Susquehanna River at Conowingo, Md. to the Atlantic Ocean. The objectives addressed in this volume of the study are 1.) Description of the present conditions of water quality and water quantity with respect to temperature, salinity, nutrients and dissolved oxygen. and 2.) Projection of future water quality conditions associated with the achievement of require ments and goals of the Federal Water Pollution Control Act Amendments of 1972, P.L. 92-500, 86 Stat. 816. The assessment …
The Chesapeake Bay: A Study Of Present And Future Water Quality And Its Ecological Effects Volume Ii: Analysis And Projection Of Ecological Conditions, Morris H. Roberts Jr., Donald F. Boesch, Michael E. Bender
The Chesapeake Bay: A Study Of Present And Future Water Quality And Its Ecological Effects Volume Ii: Analysis And Projection Of Ecological Conditions, Morris H. Roberts Jr., Donald F. Boesch, Michael E. Bender
Reports
No abstract provided.
Thermal Effects Of The Surry Nuclear Power Plant On The James River, Virginia Part V: Results Of Monitoring Physical Parameters During The First Two Years Of Operation, G. C. Parker, C. S. Fang
Thermal Effects Of The Surry Nuclear Power Plant On The James River, Virginia Part V: Results Of Monitoring Physical Parameters During The First Two Years Of Operation, G. C. Parker, C. S. Fang
Reports
No abstract provided.
A Water Quality Study Of The Elizabeth River: The Effects Of The Army Base And Lambert Point Stp Effluents, Bruce J. Neilson
A Water Quality Study Of The Elizabeth River: The Effects Of The Army Base And Lambert Point Stp Effluents, Bruce J. Neilson
Reports
No abstract provided.
Yorktown Power Station Ecological Study, Phase Ii : Final Technical Report, R. A. Jordan, R. W. Virnstein, J. E. Illowsky, J. Colvocoresses
Yorktown Power Station Ecological Study, Phase Ii : Final Technical Report, R. A. Jordan, R. W. Virnstein, J. E. Illowsky, J. Colvocoresses
Reports
No abstract provided.
Prince William County Tidal Marsh Inventory, Kenneth A. Moore, Gene M. Silberhorn
Prince William County Tidal Marsh Inventory, Kenneth A. Moore, Gene M. Silberhorn
Reports
No abstract provided.
Discoloration In Rock Crabs: What To Do About It, W. A. Vanengel, P. A. Haefner Jr.
Discoloration In Rock Crabs: What To Do About It, W. A. Vanengel, P. A. Haefner Jr.
Reports
No abstract provided.
Stafford County Tidal Marsh Inventory, Kenneth A. Moore, Gene M. Silberhorn
Stafford County Tidal Marsh Inventory, Kenneth A. Moore, Gene M. Silberhorn
Reports
No abstract provided.
Newport News Point Circulation Study, Bruce J. Neilson
Final Report On Effects Of Low Oxygen Tensions And High Levels Of Hydrogen Sulfide On Benthic Marine Animals, Dexter S. Haven, Robert E. Bendl
Final Report On Effects Of Low Oxygen Tensions And High Levels Of Hydrogen Sulfide On Benthic Marine Animals, Dexter S. Haven, Robert E. Bendl
Reports
This study investigated effects of low levels of dissolved oxygen (D .O.) and low levels of D.O. in combination with hydrogen sulfide (H2S) on the larvae and adults of oysters Crassostra virginica and on adults of hard clams Mercenaria mercenaria. The purpose of this study was to investigate how low D.O. and low D. O. plus H2S, which might be associated with discharges from sewerage treatment plants, could adversely influence populations of molluscs .
Biology And Management Of River Herring And Shad In Virginia : Annual Report, Anadromous Fish Project 1974, Walter J. Hoagman, John V. Merriner, William K. Kriete, Woodrow L. Wilson
Biology And Management Of River Herring And Shad In Virginia : Annual Report, Anadromous Fish Project 1974, Walter J. Hoagman, John V. Merriner, William K. Kriete, Woodrow L. Wilson
Reports
This annual report covers the period October, .1973 through September, 1974. It is the seventh report generated by' the project, with 3-year completion reports prepared in 1970 and 1973. The project· is continuing at VIMS and each year allows stronger conclusions to be made concerning trends in the basic population parameters studied.
The 1970-1973 completion report was widely distributed in Virginia, libraries at fishery science institutes, and throughout the National Marine Fisheries Service. The completion report analyzed data from the entire history of the project. In many cases the entire summarized data core for a particular segment was presented, e.g. …
Northumberland County Tidal Marsh Inventory, Gene M. Silberhorn
Northumberland County Tidal Marsh Inventory, Gene M. Silberhorn
Reports
No abstract provided.
An Investigation Into The History And Ownership Of Starling's Island, N. Bartlett Theberge
An Investigation Into The History And Ownership Of Starling's Island, N. Bartlett Theberge
Reports
No abstract provided.
Remote Sensing Of Submerged Aquatic Vegetation In The Lower Chesapeake Bay : Final Report To National Aeronautical And Space Administration Langley Research Center, Robert J. Orth, Hayden H. Gordon
Remote Sensing Of Submerged Aquatic Vegetation In The Lower Chesapeake Bay : Final Report To National Aeronautical And Space Administration Langley Research Center, Robert J. Orth, Hayden H. Gordon
Reports
Kodak's experimental water penetration film and black and white near infrared film were used to study the distribution of submerged aquatic vegetation in the lower Chesapeake Bay. The water penetration film was very useful in this study compared to the black and white N1R. Optimal results from this film were obtained with the camera aperture closed 1/2 stop from suggested settings. Detailed description of the grass beds were obtained by flying at an altitude of 5,000 feet, at low tide when wind conditions were minimal.
There was a 36% reduction in the amount of submerged aquatic vegetation in the lower …
Studies For A Proposed Nansemond River Sewage Treatment Plant, Virginia Institute Of Marine Science
Studies For A Proposed Nansemond River Sewage Treatment Plant, Virginia Institute Of Marine Science
Reports
- Vol. 1: Summary and conclusion/ C.S Fang and Bruce Neilson.
- Vol. 2: An analysis of currents and circulation in Hampton Roads, Virginia / Bruce Neilson and Mark Boulé; Description of non-tidal flows / Maynard Nichols.
- Vol. 3: Water quality monitoring of Hampton Roads and the Nansemond River, Summer 1974 / Bruce Neilson ... [et al.]
- Vol. 4. : A survey of commercial shellfish in the vicinity of Newport News Point and Pig Point in the lower James River / Dexter Haven and Paul Kendall
- Vol. 5: A model for predicting the pollutant distribution from an outfall in a tidal estuary …
An Investigation, Testing And Modifying Of Gear To Harvest Oysters And Shell : Final Contract Report For The Period 1 July, 1973 Through 30 June, 1975, Dexter S. Haven, James P. Whitcomb
An Investigation, Testing And Modifying Of Gear To Harvest Oysters And Shell : Final Contract Report For The Period 1 July, 1973 Through 30 June, 1975, Dexter S. Haven, James P. Whitcomb
Reports
During the 1974-75 contract period the hydraulic escalator was modified and tested in the York and Rappahannock Rive r s . The tests showed that the harvester was capable of raising large quantities of oysters from various types of bottoms. Moreover, these oysters were not broken or crushed, were free .of silt or grit , and t he apparatus caused only minima l damage to the bottom . The modification were made from January to April and field testing began in May 1975 in t he York and Rappahannock Rivers on public and leased bottom and on several types of …
King George County Tidal Marsh Inventory, Kenneth A. Moore, Gene M. Silberhorn
King George County Tidal Marsh Inventory, Kenneth A. Moore, Gene M. Silberhorn
Reports
No abstract provided.
Inventory Of Surf Clams In Nearshore Waters From Cape Henlopen To The False Cape Area : Quarterly Progress Report, December 16, 1974 - March 15, 1975, Joseph G. Loesch
Inventory Of Surf Clams In Nearshore Waters From Cape Henlopen To The False Cape Area : Quarterly Progress Report, December 16, 1974 - March 15, 1975, Joseph G. Loesch
Reports
The main objectives of the study are to estimate distribution, relative abundance and recruitment of surf clams along the Delmarva Peninsula and in areas of intense harvesting off the Virginia coast. The project is a joint undertaking by the National :Larine Fisheries Service (NM.FS), and the Virginia Institute of Marine Science (VIMS). Herein-after it is associated with the latter Institution to avoid confusion with an NMFS surf clam cruise in Virginia and Nor h Carolina coastal waters in Augus t, 1974.
Survival And Growth Of Cultchless Spat Planted By The Vmrc In Nomini And Lower Machodoc Creek, Dexter Haven, Paul Kendall
Survival And Growth Of Cultchless Spat Planted By The Vmrc In Nomini And Lower Machodoc Creek, Dexter Haven, Paul Kendall
Reports
This report briefly summaries previous data and describes the survey for 22 October 1974. We have submitted reports to the Commission on the status of these plantings in April, 1974, and again in August, 1974. These data will not be repeated in detail, but pertinent aspects will be reviewed.
Sea Grant Annual Report 1974, Virginia Sea Grant
Shoreline Situation Report Accomack County, Virginia, Carl H. Hobbs, Peter Rosen, Margaret H. Peoples, Gary L. Anderson
Shoreline Situation Report Accomack County, Virginia, Carl H. Hobbs, Peter Rosen, Margaret H. Peoples, Gary L. Anderson
Reports
It is the objective of this report to supply an assessment, and at least a partial integration, of those important shoreland parameters and characteristics which will aid the planners and the managers of the shorelands in making the best decisions for the utilization of this limited and very valuable resource. The report gives particular attention to the problem of shore erosion and to recommendations concerning the alleviation of the impact of this problem. In addition we have tried to include in our assessment some of the potential uses of the shoreline, particularly with respect to recreational use, since such information …
Results Of Biological Sampling Conducted For Impact Analysis For Long-Range Maintenance Dredging In The Norfolk Naval Complex, Donald F. Boesch
Results Of Biological Sampling Conducted For Impact Analysis For Long-Range Maintenance Dredging In The Norfolk Naval Complex, Donald F. Boesch
Reports
Seven stations were sampled once on 24 or 25 September and once between 13 November and 5 December, 1974 using a 16 foot se~i-balloon otter trawl with a 3/8 inch stretch mesh cod inner liner. Those areas sampled were: Southern Branch of the Elizabeth River (Station 1), Elizabeth River between Deperming Station and Craney Island Oil Pier (Station 2), Elizabeth River Approach Channel (Station 3), Willoughby Bay Approach Channel (Station 4), Little Creek (Station 5), York River channel off Cheatham Annex piers (Station 6), and York River channel off the Coast Guard and Navy fuel piers (Station 7)
An Investigation Of The Seed Oyster Reserves In Virginia And Testing And Modifying Of Gear To Harvest Oysters, Joseph G. Loesch, Dexter S. Haven, James P. Whitcomb
An Investigation Of The Seed Oyster Reserves In Virginia And Testing And Modifying Of Gear To Harvest Oysters, Joseph G. Loesch, Dexter S. Haven, James P. Whitcomb
Reports
No abstract provided.