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Articles 1 - 22 of 22
Full-Text Articles in Life Sciences
Oyster Spatfall In Virginia Rivers: 1988 Annual Summary, Bruce Barber, James Whitcomb
Oyster Spatfall In Virginia Rivers: 1988 Annual Summary, Bruce Barber, James Whitcomb
Reports
The Virginia Institute of Marine Science (VIMS) conducts annual surveys of oyster spatfall ( or "sett.ing") in Virginia waters. This survey provides an estimate of the potential of a particular area for receiving a "striken or set of oysters and helps define the timiug of setting events. In 1988 spatfall was monitored from June 6 to October 16 at a total of forty-two stations (Figure 1). · During this period shellstrings were deployed at each station (0.5m off the bottom) on a weekly basis. A shellstring consists of 12 oyster shells drilled through the center and strung on a piece …
Contribution Of The 1982 And Subsequent Year Class Females To The Virginia 1987 Commercial And Recreational Harvest, Herbert M. Austin
Contribution Of The 1982 And Subsequent Year Class Females To The Virginia 1987 Commercial And Recreational Harvest, Herbert M. Austin
Reports
No abstract provided.
Experimental Studies Of Zinc-65 Uptake Rates By The American Oyster, Crassostrea Virginica With Regard To Salinity, Sediment Concentration, And Body Size, Cheol Mo, Bruce Neilson
Experimental Studies Of Zinc-65 Uptake Rates By The American Oyster, Crassostrea Virginica With Regard To Salinity, Sediment Concentration, And Body Size, Cheol Mo, Bruce Neilson
Reports
Three sets of twelve oysters from the ,James River were placed in three recirculating aquaria dosed with the radioactive tracer zinc-65. All aquaria had the same amount of river bottom sediment which was kept in suspension by the water movement caused by aeration; one aquarium had twice as much tracer as the other two. The salinity of one of the low dose aquaria and. the high dose aquarium was maintained at 18 0/00: the other low dose aquarium was maintained at 1:2 0/00. All other factors were kept constant. Sediment-water-tracer mix was added to the aquaria every 12 hours. Water …
Comparison Of Condition Indicies (K) Of Spot (Leiostomus Xanthurus) From The Elizabeth And York Rivers, Virginia, Kinloch Nelson
Comparison Of Condition Indicies (K) Of Spot (Leiostomus Xanthurus) From The Elizabeth And York Rivers, Virginia, Kinloch Nelson
Reports
Spot from the York and Elizabeth Rivers were taken in 1983, 1984, and 1985. The length to weight ratio was used to find the equation for Condition Index (K). Condition Indices for the two populations were found and plotted against temperature. Regression lines were plotted for each group. From 6 to 19 degrees, the Condition Index of the two populations rises at similar rates. From 19 degrees on, the Elizabeth River Condition Index rises steadily while the York K drops down to approach the levels of winter.
Status Of The Major Oyster Diseases In Virginia 1988, Eugene M. Burreson
Status Of The Major Oyster Diseases In Virginia 1988, Eugene M. Burreson
Reports
No abstract provided.
Impact Of Diseases On The Chesapeake Bay Oyster Industry, Frank O. Perkins
Impact Of Diseases On The Chesapeake Bay Oyster Industry, Frank O. Perkins
Reports
No abstract provided.
The Sea Turtles Of Virginia : With Notes On Identification And Natural History, John A. Musick
The Sea Turtles Of Virginia : With Notes On Identification And Natural History, John A. Musick
Reports
No abstract provided.
Status Of Wild Stocks Of Striped Bass, Herbert M. Austin
Status Of Wild Stocks Of Striped Bass, Herbert M. Austin
Reports
No abstract provided.
Hard Clam Culture Project Preliminary Financial Evaluation, Jeffrey J. Povolny
Hard Clam Culture Project Preliminary Financial Evaluation, Jeffrey J. Povolny
Reports
No abstract provided.
Development And Implementation Of A Catch And Effort Data Collection System For Monitoring Trends In Fishing Success On Virginia's Artificial Fishing Reefs, 1987-1988 : For The Period September 1, 1986 - August 31, 1987 (Work Period Extended To December 31, 1987), Jon A. Lucy, Charles G. Barr, William D. Dupaul
Development And Implementation Of A Catch And Effort Data Collection System For Monitoring Trends In Fishing Success On Virginia's Artificial Fishing Reefs, 1987-1988 : For The Period September 1, 1986 - August 31, 1987 (Work Period Extended To December 31, 1987), Jon A. Lucy, Charles G. Barr, William D. Dupaul
Reports
No abstract provided.
Catch Trends And Fish Utilization In Virginia's Offshore Recreational Pelagic Fishery: For The Period: September 1, 1986 - August 31, 1987 (Work Period Extended To March 31, 1989, Jon A. Lucy, Nancy J. Chartier, William D. Dupaul
Catch Trends And Fish Utilization In Virginia's Offshore Recreational Pelagic Fishery: For The Period: September 1, 1986 - August 31, 1987 (Work Period Extended To March 31, 1989, Jon A. Lucy, Nancy J. Chartier, William D. Dupaul
Reports
No abstract provided.
Study Of Alosa Stock Composition And Year-Class Strength In Virginia - Annual Report 1987, Loisirene Blumberg, Joseph G. Loesch
Study Of Alosa Stock Composition And Year-Class Strength In Virginia - Annual Report 1987, Loisirene Blumberg, Joseph G. Loesch
Reports
This presentation is the annual report for P. L. 89-304, AFC 20 project "Study of Alosa stock composition and year-class strength in Virginia," for the period 1 February 1987 to 31 July 1988. The fishes of concern were the alewife (Alosa pseudoharengus), American shad(A. sapidissima), and the blueback herring(A. aestivalis).
Summaries Of Twenty-Five Years Of Msx Studies In Chesapeake Bay, 1959 To 1983, Jay D. Andrews
Summaries Of Twenty-Five Years Of Msx Studies In Chesapeake Bay, 1959 To 1983, Jay D. Andrews
Reports
Accounts written for the report published in Special Publications of the American Fisheries Society [i.e., Disease processes in marine bivalve molluscs] by Haskin and Andrews in 1987-88.
Alternate Cultch For Bottom Oyster Cultivation, Robert J. Byrne
Alternate Cultch For Bottom Oyster Cultivation, Robert J. Byrne
Reports
No abstract provided.
Public Oyster Shoal Survey - Fall 1988, Bruce Barber, James Whitcomb
Public Oyster Shoal Survey - Fall 1988, Bruce Barber, James Whitcomb
Reports
This report summarizes data collected during 1988 in the Virginia portion of the Chesapeake Bay. The report focuses on the fall oyster survey in Virginia.
Oyster Shoal Survey - Spring 1988, James Whitcomb
Oyster Shoal Survey - Spring 1988, James Whitcomb
Reports
This report summarizes data collected during 1988 in the Virginia portion of the Chesapeake Bay. The report focuses on the spring oyster survey in Virginia.
Effort Restrictions In The New England, Sea Scallop, Dredge Fishery: A Preliminary Analysis, William D. Dupaul, James E. Kirkley
Effort Restrictions In The New England, Sea Scallop, Dredge Fishery: A Preliminary Analysis, William D. Dupaul, James E. Kirkley
Reports
No abstract provided.
Specification And Estimation Of Weight-Length Relationships And Fishery Regulations, William D. Dupaul, James E. Kirkley
Specification And Estimation Of Weight-Length Relationships And Fishery Regulations, William D. Dupaul, James E. Kirkley
Reports
No abstract provided.
At-Sea Volumetric Measures And Monitoring Meat-Count Regulations: The Sea Scallop Fishery, William D. Dupaul, James E. Kirkley
At-Sea Volumetric Measures And Monitoring Meat-Count Regulations: The Sea Scallop Fishery, William D. Dupaul, James E. Kirkley
Reports
No abstract provided.
A Comparative Analysis Of The Effects On Technical Efficiency And Harvest Of Sea Scallops (Placopecten Magellanicus) By Otter Trawls Of Various Mesh Sizes, William D. Dupaul, Edward J. Heist, James Kirkley, Salvatore Testaverde
A Comparative Analysis Of The Effects On Technical Efficiency And Harvest Of Sea Scallops (Placopecten Magellanicus) By Otter Trawls Of Various Mesh Sizes, William D. Dupaul, Edward J. Heist, James Kirkley, Salvatore Testaverde
Reports
No abstract provided.
A Mark-Recapture Study Of Striped Bass In The Rappahannock River, Virginia Annual Report 1987-1988, Joseph G. Loesch, Bruce W. Hill, William H. Kreite Jr.
A Mark-Recapture Study Of Striped Bass In The Rappahannock River, Virginia Annual Report 1987-1988, Joseph G. Loesch, Bruce W. Hill, William H. Kreite Jr.
Reports
Internal anchor tags with external tubes were used to tag 3, 319 striped bass in the Fall of 1987 and 2,024 in the Spring of 1988 in the Rappahannock River. The total number tagged was adjusted to 3,170 and 1,973 by removing from consideration all fish that were at large less than a week. The available stock of striped bass in the Spring contained both young resident fish and mature nonresident fish which left the area of capture after spawning, presumably to migrate north in coastal waters. The exodus of the mature fish after spawning was responsible, in part, for …
Comparative Analysis Of Sea Scallop Escapement/Retention And Resulting Economic Impacts, William D. Dupaul, Edward J. Heist, James E. Kirkley
Comparative Analysis Of Sea Scallop Escapement/Retention And Resulting Economic Impacts, William D. Dupaul, Edward J. Heist, James E. Kirkley
Reports
During the months of June and September 1988, gear experiments were conducted aboard the F/V Carolina Dawn and Carolina Capes. The primary objective of the experiments was to assess the technical efficiency and size selectivity of 3.5-inch ring dredges relative to the current commercially-used 3.0-inch ring dredges. Secondary objectives were to analyze the economic and regulatory ramifications of using 3.5-inch ring dredges to control the age-at-capture and enhance the yield-per- recruit.