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- Research and Technical Reports (1491)
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Articles 1411 - 1440 of 2054
Full-Text Articles in Life Sciences
A Comparison Of Expected Returns To Independent And Joint Venture Squid Vessels On The East Coast Of The U.S., Ron Grulich
A Comparison Of Expected Returns To Independent And Joint Venture Squid Vessels On The East Coast Of The U.S., Ron Grulich
Reports
No abstract provided.
Report To The Potomac River Fisheries Commission On Hand Scraping And Oyster Culture In The Lower Potomac River, Dexter S. Haven, Elgin A. Dunnington
Report To The Potomac River Fisheries Commission On Hand Scraping And Oyster Culture In The Lower Potomac River, Dexter S. Haven, Elgin A. Dunnington
Reports
No abstract provided.
The Value Of Virginia's Saltwater Recreational Fishery, Jon A. Lucy
The Value Of Virginia's Saltwater Recreational Fishery, Jon A. Lucy
Reports
No abstract provided.
Development Of Virginia's Artificial Fishing Reefs A Historical Outline (1959-1977), Jon A. Lucy
Development Of Virginia's Artificial Fishing Reefs A Historical Outline (1959-1977), Jon A. Lucy
Reports
No abstract provided.
The Role Of Science In Fisheries Management, Herbert Austin
The Role Of Science In Fisheries Management, Herbert Austin
Reports
No abstract provided.
The Density Of Oysters And Shell Upriver From The Campostella Bridge In The Elizabeth River, Dexter S. Haven, James P. Whitcomb
The Density Of Oysters And Shell Upriver From The Campostella Bridge In The Elizabeth River, Dexter S. Haven, James P. Whitcomb
Reports
This study estimates the density of oysters and oyster shells on that portion of the J. H. Miles Co. lease which lies within 450 feet of the upriver edge of the Campostella Bridge.
The Campostella Bridge is located on Route 460 on the Eastern Branch of the Elizabeth River (Figure 1). The area is restricted for shellfish culture by the Virginia State Health Department and salinities are high enough to favor the development of the oyster diseases Haplosporidium costalis (MSX) and Perkinsus marinum (Dermo). Because a combination of the effects of pollution and disease, the area has not produced commercial …
Problems In Interstate Fisheries Management, Virginia Institute Of Marine Science
Problems In Interstate Fisheries Management, Virginia Institute Of Marine Science
Reports
No abstract provided.
Summary Of The Economic Impact Of The Eighth Annual Virginia Beach Anglers Club Small Boat Marlin Tournament, Jon Lucy
Reports
No abstract provided.
Bibliography Of The Monogenetic Trematode Literature Of The World, 1758 To 1982, William J. Hargis Jr., Dennis A. Thoney
Bibliography Of The Monogenetic Trematode Literature Of The World, 1758 To 1982, William J. Hargis Jr., Dennis A. Thoney
Reports
Interest in the monogenean parasites has grown markedly in the last twenty years. To enhance and speed world-wide research activity, we prepared the first edition of this bibliography in 1969. This latest effort is intended to do the same.
Comments To The United States Department Of The Navy On The Draft Environmental Impact Statement On The Disposal Of Decommissioned, Defueled Naval Submarine Reactor Plants, J. A. Musick
Reports
No abstract provided.
Water Quality In A Virginia Potomac Embayment: Hunting Creek - Cameron Run, Carl F. Cerco, Albert Y. Kuo
Water Quality In A Virginia Potomac Embayment: Hunting Creek - Cameron Run, Carl F. Cerco, Albert Y. Kuo
Reports
No abstract provided.
Tangier Sound Waterman's Association V. Douglas: Chesapeake Bay Blue Crab Residency Restrictions Held Unconstitutional, Alison Rieser, Nancy Ziegler
Tangier Sound Waterman's Association V. Douglas: Chesapeake Bay Blue Crab Residency Restrictions Held Unconstitutional, Alison Rieser, Nancy Ziegler
Reports
No abstract provided.
Oyster Survey, Great Wicomico River, Michael J. Oesterling, Dexter S. Haven
Oyster Survey, Great Wicomico River, Michael J. Oesterling, Dexter S. Haven
Reports
No abstract provided.
Dorsal And Anal Pterygiophore Interdigitation Patterns In Four Species Of Morone (Teleostei, Percichthyidae) : An Aid To Larval Identification, John E. Olney, George C. Grant, Fred E. Schultz, C. Laurence Cooper, John Hageman
Dorsal And Anal Pterygiophore Interdigitation Patterns In Four Species Of Morone (Teleostei, Percichthyidae) : An Aid To Larval Identification, John E. Olney, George C. Grant, Fred E. Schultz, C. Laurence Cooper, John Hageman
Reports
The diagnostic potential of dorsal and anal pterygiophore interdigitation patterns was examined in larval stages of Morone saxatilis, M. chrysops, M. americana and M.mississippiensis. The number and position of pterygiophores relative to interneural spaces 1-6 and 10-13 and interhaemal spaces 12-15 as well as total number of dorsal and anal pterygiophores are characters useful in delimiting larvae of American Morone species. Interdigitation patterns useful in separating M. mississippiensis and M. americana larvae were not found, however these two species may not co-occur.
Lower Bay Zooplankton Monitoring Program : The August 1978 Survey, George C. Grant, John E. Olney
Lower Bay Zooplankton Monitoring Program : The August 1978 Survey, George C. Grant, John E. Olney
Reports
Monitoring of the lower Chesapeake Bay zooplankton populations was begun in March 1978 to provide a data base needed as a prerequisite to future evaluations of faunal change. An initial report (Grant and Olney, 1979) presented the basic design and sampling techniques of the Lower Bay Zooplankton Program (LBZMP), along with results of the first winter-spring cruise.
These surveys are conducted during four months of the year, with complete taxonomic analysis in March and August and analyses limited to meroplanktonic fish eggs and larvae and decapod crustacean larvae tn June and July. The present report includes results of the summer …
Products And Productivity Of The Men And Women Of The Virginia Institute Of Marine Science From 1940 To June, 1983, William J. Hargis Jr., Thomas M. Armitage
Products And Productivity Of The Men And Women Of The Virginia Institute Of Marine Science From 1940 To June, 1983, William J. Hargis Jr., Thomas M. Armitage
Reports
No abstract provided.
Marine Education Field Trip Sites In Virginia, Susan C. Gammisch
Marine Education Field Trip Sites In Virginia, Susan C. Gammisch
Reports
No abstract provided.
Striped Bass Research, Virginia - Annual Report 1983, Virginia Institute Of Marine Science
Striped Bass Research, Virginia - Annual Report 1983, Virginia Institute Of Marine Science
Reports
No abstract provided.
Assessment Of Larval Striped Bass, Morone Saxatilis (Walbaum), Stocks In Maryland And Virginia Waters. Part Ii. Assessment Of Spawning Activity In Major Virginia Rivers. Segment 3. Pt.A. Distribution And Abundance Of Striped Bass Eggs And Larvae In The Rappahannock River During Spring, 1982 : Final Report, John E. Olney, Bruce H. Comyns, George C. Grant
Assessment Of Larval Striped Bass, Morone Saxatilis (Walbaum), Stocks In Maryland And Virginia Waters. Part Ii. Assessment Of Spawning Activity In Major Virginia Rivers. Segment 3. Pt.A. Distribution And Abundance Of Striped Bass Eggs And Larvae In The Rappahannock River During Spring, 1982 : Final Report, John E. Olney, Bruce H. Comyns, George C. Grant
Reports
- Segment 1. Distribution and abundance of striped bass eggs and larvae in the upper York River system, Virginia, during spring 1980
- Segment 2. Distribution and abundance of striped bass eggs and larvae in the James and Chickahominy Rivers, Virginia, during spring 1981 : draft final report
- Segment 3. Pt.A. Distribution and abundance of striped bass eggs and larvae in the Rappahannock River during spring, 1982 : final report
- Segment 3. Pt.B. Dorsal and anal pterygiophore interdigitation patterns in four species of Morone (Teleostei, Percichthyidae) : an aid to larval identification https://doi.org/10.21220/V50X7B
Oyster Spatfall In Virginia Rivers: 1982 Annual Summary, Dexter S. Haven, James Whitcomb
Oyster Spatfall In Virginia Rivers: 1982 Annual Summary, Dexter S. Haven, James Whitcomb
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.
Price Flexibility Analysis Of Virginia Hard Clams: Economic Considerations For Management Of The Fishery, Andre C. Kvaternik, William D. Dupaul, Thomas J. Murray
Price Flexibility Analysis Of Virginia Hard Clams: Economic Considerations For Management Of The Fishery, Andre C. Kvaternik, William D. Dupaul, Thomas J. Murray
Reports
Price flexibility coefficients estimated for ex-vessel prices of Virginia hard clams indicate a very small (4.292 x 10-6 to 6.994 x 10-6%) decrease in price would occur given a 1% increase in the quantity supplied by Virginia harvesters. Data used were monthly landings of Virginia, New York, New Jersey, Rhode Island, Maryland and North Carolina over the period 1960-1979. Fifty-eight percent of the ex-vessel price changes are not explained by the supply response model used, suggesting other market and consumer demand factors play a large role in determining ex-vessel price. This conclusion is reached considering the historical range of production …
Dive Emergency Plan, Virginia Sea Grant Marine Advisory Program
Dive Emergency Plan, Virginia Sea Grant Marine Advisory Program
Reports
No abstract provided.
Msx In Rappahannock River & Great Wicomico River, Jay D. Andrews
Msx In Rappahannock River & Great Wicomico River, Jay D. Andrews
Reports
No abstract provided.
Results Of Msx Tests For 1982 Infections, Jay D. Andrews
Results Of Msx Tests For 1982 Infections, Jay D. Andrews
Reports
Sampling from the Rappahannock and the Great Wicomico rivers.
A Report On The Area Impacted By The Tug "Tunnel" Near The Mouth Of Onancock Creek From November 21 And 23, Dexter S. Haven
A Report On The Area Impacted By The Tug "Tunnel" Near The Mouth Of Onancock Creek From November 21 And 23, Dexter S. Haven
Reports
No abstract provided.
Virginia Eel Pot Study, Robert K. Dias
Water Quality Trends In The Lynnhaven Bay : A Report To The Hampton Roads Water Quality Agency, Bruce J. Neilson
Water Quality Trends In The Lynnhaven Bay : A Report To The Hampton Roads Water Quality Agency, Bruce J. Neilson
Reports
The Lynnhaven Bay system is perceived by many to have a high value because of its aesthetic qualities. It is an attractive body of water to live by and enjoy. Its general cleanliness and combination of broad bays and small coves make it ideal for sailing, boating and other recreational activities. Historically the Lynnhaven oyster·has been acclaimed as an epicurean delight. These positive qualities and proximity to more urbanized areas have attracted many to live either on its shore or within the basin. What was almost entirely rural is becoming more and more urbanized. The urbanization has been underway for …
An Overview Of The Status Of Alosa Stocks In Virginia, Steven M. Atran, Joseph G. Loesch, William H. Kriete Jr.
An Overview Of The Status Of Alosa Stocks In Virginia, Steven M. Atran, Joseph G. Loesch, William H. Kriete Jr.
Reports
No abstract provided.
Estimates Of Abundance : Vims Small Fish Trawl Survey, York And Rappahannock Rivers, 1955 To 1982, Frank J. Wojcik, Herbert M. Austin
Estimates Of Abundance : Vims Small Fish Trawl Survey, York And Rappahannock Rivers, 1955 To 1982, Frank J. Wojcik, Herbert M. Austin
Reports
This report presents information on catch of iuvenile fish with a 30 ft. semi-ballon trawl in the York and Rappahannock Rivers, and graphically compares those with the commercial landings in Virqinia waters for the years 1955 throuqh part of 1982 .
Structural And Functional Aspects Of The Biology Of Submerged Aquatic Macrophyte Communities In The Lower Chesapeake Bay Volume Iii: Interactions Of Resident Consumers In A Temperate Estuarine Seagrass Community: Vaucluse Shores, Virginia, Usa, Robert J. Orth, Jacques Van Montfrans
Structural And Functional Aspects Of The Biology Of Submerged Aquatic Macrophyte Communities In The Lower Chesapeake Bay Volume Iii: Interactions Of Resident Consumers In A Temperate Estuarine Seagrass Community: Vaucluse Shores, Virginia, Usa, Robert J. Orth, Jacques Van Montfrans
Reports
No abstract provided.