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Articles 1 - 30 of 107
Full-Text Articles in Entire DC Network
Distribution Of Submerged Aquatic Vegetation In The Chesapeake Bay And Tributaries And Chincoteague Bay - 1993, Robert J. Orth, Judith F. Nowak, Gary F. Anderson, Jennifer R. Whiting
Distribution Of Submerged Aquatic Vegetation In The Chesapeake Bay And Tributaries And Chincoteague Bay - 1993, Robert J. Orth, Judith F. Nowak, Gary F. Anderson, Jennifer R. Whiting
Reports
No abstract provided.
The Formation Of Hypertrophied Lenticels, Adventitious Water Roots, And An Oxidized Rhizosphere By Acer Rubrum Seedlings Over Time Along A Hydrologic Gradient, Kirk J. Havens
Reports
No abstract provided.
Ecosystem Process Modeling Of Submerged Aquatic Vegetation In The Lower Chesapeake Bay, R. L. Wetzel, M. B. Meyers
Ecosystem Process Modeling Of Submerged Aquatic Vegetation In The Lower Chesapeake Bay, R. L. Wetzel, M. B. Meyers
Reports
No abstract provided.
Comments On Proposed Modifications Of The Fisheries Management Plan For Sharks Of The Atlantic Ocean, J. A. Musick
Comments On Proposed Modifications Of The Fisheries Management Plan For Sharks Of The Atlantic Ocean, J. A. Musick
Reports
No abstract provided.
Fishery Independent Standing Stock Surveys Of Oyster Populations In The Virginia Sub Estuaries Of The Chesapeake Bay And A Comparison With Continuing Estimates Obtained From Fishery Dependent Data, Roger L. Mann, James Wesson
Fishery Independent Standing Stock Surveys Of Oyster Populations In The Virginia Sub Estuaries Of The Chesapeake Bay And A Comparison With Continuing Estimates Obtained From Fishery Dependent Data, Roger L. Mann, James Wesson
Reports
Extensive description of the Virginia oyster resource and history of its utilization has been given by Haven, Hargis and Kendall (1981), and more recently reviewed by Hargis and Haven (1988). These contributions, among many others, describe a state of continuing decline. To facilitate resource management a fishery independent survey was proposed to and subsequently supported by the Chesapeake Bay Stock Assessment Committee in 1993. This report covers activity on that program for the period October of 1993 through September of 1994.
Spatial variability in distribution of oysters within an oyster reef system, and distribution of reefs in the intertidal and/or …
Settlement Of Oyster (Crassostrea-Virginica) Larvae - Effects Of Water-Flow And A Water-Soluble Chemical Cue, Ej Turner, Rk Zimmerfaust, Ma Palmer, M Luckenbach, Nd Pentcheff
Settlement Of Oyster (Crassostrea-Virginica) Larvae - Effects Of Water-Flow And A Water-Soluble Chemical Cue, Ej Turner, Rk Zimmerfaust, Ma Palmer, M Luckenbach, Nd Pentcheff
VIMS Articles
Although previous evidence indicates that larvae of benthic marine invertebrates can respond to waterborne cues in still water, the importance of waterborne cues in mediating natural settlement out of flowing water has been questioned. Here, we summarize the results of flume experiments demonstrating enhanced settlement of oyster larvae in small target wells (circles of 7-cm diam) with the release of a waterborne settlement cue compared to identical substrates without the cue. In concurrent still-water experiments, more oyster larvae settled in solutions of waterborne cue than in seawater controls. Velocity and electrochemical measurements of a conservative tracer verified that at low …
Button Bush Cephalanthus Occidentalis L., Gene Silberhorn
Button Bush Cephalanthus Occidentalis L., 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 identification.
Vims/W&M Blue Crab Fishery Statement, Rom Lipcius, Jacques Van Montfrans
Vims/W&M Blue Crab Fishery Statement, Rom Lipcius, Jacques Van Montfrans
Reports
No abstract provided.
Perkinsus-Marinus (Apicomplexa) As A Potential Source Of Oyster Crassostrea-Virginica Mortality In Coastal Lagoons Of Tabasco, Mexico, Em Burreson, Rs Alvarez, W Martinez, La Macedo
Perkinsus-Marinus (Apicomplexa) As A Potential Source Of Oyster Crassostrea-Virginica Mortality In Coastal Lagoons Of Tabasco, Mexico, Em Burreson, Rs Alvarez, W Martinez, La Macedo
VIMS Articles
Poorly documented, but apparently sporadic oyster Crassostrea virginica mortality in the coastal lagoons Carmen, Machona and Mecoacan at the southern extreme of the Gulf of Mexico in Tabasco, Mexico, has been attributed by local oystermen to pollution resulting from oil refinery operations. In September 1992 we sampled oysters in these lagoons to investigate the potential for disease-induced mortality from the oyster pathogen Perkinsus marinus. Prevalence of P. marinus was 100% at Lodazal, a high salinity (31 ppt) site in Carmen lagoon and 60% at Rio San Felipe, a low salinity (15 ppt) site. At Los Jimenez, a high salinity (32 …
Marine Resource Bulletin Vol. 26, No. 2 & 3, Virginia Sea Grant, Virginia Institute Of Marine Science
Marine Resource Bulletin Vol. 26, No. 2 & 3, Virginia Sea Grant, Virginia Institute Of Marine Science
Virginia Marine Resource Bulletin
Contents
Introduction. 3
Marine Biotechnology, the Possibilities 6
DNA Analysis, A Powerful Molecular Tool. 8
Genetic A9alyses of Billfishes 11
Release That Fish-But Tag It First! 13
On the Trail of MSX 15
TheFray 18
Journeying Toward the Future 19
End Notes. 22
A Pc-Based Tidal Prism Water Quality Model For Small Coastal Basins And Tidal Creeks, Albert Y. Kuo, Kyeong Park
A Pc-Based Tidal Prism Water Quality Model For Small Coastal Basins And Tidal Creeks, Albert Y. Kuo, Kyeong Park
Reports
No abstract provided.
American Elm Ulmus Americana L., Gene Silberhorn
American Elm Ulmus Americana L., 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 identification.
Estimation Of Relative Abundance Of Recreationally Important Finfish In The Virginia Portion Of Chesapeake Bay: Annual Progress Report 1993-1994, Patrick J. Geer, Herb M. Austin
Estimation Of Relative Abundance Of Recreationally Important Finfish In The Virginia Portion Of Chesapeake Bay: Annual Progress Report 1993-1994, Patrick J. Geer, Herb M. Austin
Reports
Provisional annual indices of juvenile abundance have been generated from trawl survey data for six species of key recreational importance in the Virginia portion of Chesapeake Bay (spot, croaker, weakfish, summer flounder, black sea bass and striped bass) and two species of secondary importance (scup and white perch) for the period 1988-1993. No species has shown a continuous trend during the six year period. Spot has shown the largest decline from a high geometric mean catch per trawl of 68 (1988) to a low (1992) of 2, recovering to 9. 7 in 1993. Atlantic croaker continued to decline reaching levels …
Seed Dispersal In A Marine Macrophyte - Implications For Colonization And Restoration, R J. Orth, Mark Luckenbach, Ken Moore
Seed Dispersal In A Marine Macrophyte - Implications For Colonization And Restoration, R J. Orth, Mark Luckenbach, Ken Moore
VIMS Articles
No abstract provided.
Status Of The Major Oyster Diseases In Virginia 1993 A Summary Of The Annual Monitoring Program, Eugene M. Burreson, Lisa M. Ragone Calvo
Status Of The Major Oyster Diseases In Virginia 1993 A Summary Of The Annual Monitoring Program, Eugene M. Burreson, Lisa M. Ragone Calvo
Reports
No abstract provided.
Development Of Age Determination Methods, Life History/Population Dynamics Information, And Yield-Per-Recruit Simulation Modeling To Evaluate The Potential For Growth And Recruitment Overfishing Of Atlantic Croaker, Micropogonias Undulatus, In The Chesapeake Bay, Mark Chittenden, Luiz R. Barbieri, Cynthia M. Jones
Development Of Age Determination Methods, Life History/Population Dynamics Information, And Yield-Per-Recruit Simulation Modeling To Evaluate The Potential For Growth And Recruitment Overfishing Of Atlantic Croaker, Micropogonias Undulatus, In The Chesapeake Bay, Mark Chittenden, Luiz R. Barbieri, Cynthia M. Jones
Reports
The Atlantic croaker, Micropogonias undulatus, supports large recreational fisheries in the Chesapeake Bay region, where it has historically shown large fluctuations in abundance. Although many studies have been conducted on this species in this region over the last 50 years or more, commencing at least as early as Wallace (1940), little or no information exists to support yield modeling and wise management. The present studies were undertaken to provide basic life history/population dynamics information and yield modeling needed to wisely manage this species in the Chesapeake Bay region, and to evaluate the role that fishing plays in their fluctuations. Accordingly, …
Hematodinium-Australis N-Sp, A Parasitic Dinoflagellate Of The Sand Crab Portunus-Pelagicus From Moreton Bay, Australia, Da Hudson, Jeffrey D. Shields
Hematodinium-Australis N-Sp, A Parasitic Dinoflagellate Of The Sand Crab Portunus-Pelagicus From Moreton Bay, Australia, Da Hudson, Jeffrey D. Shields
VIMS Articles
A new species of parasitic dinoflagellate is described from the portunid crab Portunus pelagicus. The dinoflagellate is a member of the genus Hematodinium which formerly consisted of a single species, H. perezi. Members of the genus have been reported in crabs and lobsters from Europe and North America, where in some circumstances they cause significant mortalities to host populations. The new species is the first member of the family Syndinidae to be fully described from Australia. The new species differs from other forms of Hematodinium primarily by the size of the trophont (vegetative stage), the ovoid plasmodium, and the small …
Harvest Efficiency And Size Selectivity Of 3.00 And 3.25-Lnch Sea Scallop Dredge Rings, William D. Dupaul, James E. Kirkley
Harvest Efficiency And Size Selectivity Of 3.00 And 3.25-Lnch Sea Scallop Dredge Rings, William D. Dupaul, James E. Kirkley
Reports
No abstract provided.
Spice Bush Lindera Benzion (L.) Blume, Gene Silberhorn
Spice Bush Lindera Benzion (L.) Blume, 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 identification.
The Role Of Tournaments As A Fishery Management Tool Data Collection, Herbert M. Austin
The Role Of Tournaments As A Fishery Management Tool Data Collection, Herbert M. Austin
Reports
No abstract provided.
Length Frequency Observations Of Lophius Americanus Taken During One Trip Aboard A Commercial Scalloper, Ryan Carnegie
Length Frequency Observations Of Lophius Americanus Taken During One Trip Aboard A Commercial Scalloper, Ryan Carnegie
Reports
No abstract provided.
Exocrine Pancreatic Neoplasms In The Mummichog (Fundulus Heteroclitus) From A Creosote-Contaminated Site, John W. Fournie, Wolfgang K. Vogelbein
Exocrine Pancreatic Neoplasms In The Mummichog (Fundulus Heteroclitus) From A Creosote-Contaminated Site, John W. Fournie, Wolfgang K. Vogelbein
VIMS Articles
A high prevalence of exocrine pancreatic neoplasms occurred in mummichog, Fundulus heteroclitus, from a creosote-contaminated site in the Elizabeth River, Virginia. A total of 20 neoplasms were found in a group of about 1,300 fish obtained at this site over a 2-yr period. Of 240 fish collected during October 1991, 3.3% had pancreatic neoplasms. Adjusted total lesion prevalence for large adult fish (Size Class III: total length = 75–85 mm; Size Class IV: total length > 85 mm) was 6.7%. Pancreatic neoplasms were not observed in 234 fish collected at this site during May 1991, nor were they found in …
Juvenile Finfish And Blue Crab Stock Assessment Program Bottom Trawl Survey Annual Data Summary Report Series Volume 1988, Michael F. Land, Patrick J. Geer, Christopher F. Bonzek, Herbert M. Austin
Juvenile Finfish And Blue Crab Stock Assessment Program Bottom Trawl Survey Annual Data Summary Report Series Volume 1988, Michael F. Land, Patrick J. Geer, Christopher F. Bonzek, Herbert M. Austin
Reports
The Virginia Institute of Marine Science (VIMS) has conducted a trawl survey of the Virginia tributaries to the Chesapeake Bay dating back to 1955. Over these forty years, methods and objectives have varied according to funding sources and state and/ or federal mandates. The present thrust of the program is to provide juvenile indices of relative abundance of recreationally, commercially, and ecologically important finfish and invertebrates. In 1988, the main area of focus was as a monitoring device of the resources of the Chesapeake Bay and its tributaries, as well as a way to create juvenile indices of key target …
Green Ash Fraxinus Pennsylvanica Marsh., Gene Silberhorn
Green Ash Fraxinus Pennsylvanica Marsh., 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 identification.
Estimation Of Relative Abundance Of Recreationally Important Finfish In The Virginia Portion Of The Chesapeake Bay : Annual Progress Report, U.S. Fish And Wildlife Service Sportfish Restoration Project F104r2, July 1992 - June 1993, Revised Edition 1994, Patrick J. Geer, James A. Colvocoresses, Herbert M. Austin, Christopher F. Bonzek
Estimation Of Relative Abundance Of Recreationally Important Finfish In The Virginia Portion Of The Chesapeake Bay : Annual Progress Report, U.S. Fish And Wildlife Service Sportfish Restoration Project F104r2, July 1992 - June 1993, Revised Edition 1994, Patrick J. Geer, James A. Colvocoresses, Herbert M. Austin, Christopher F. Bonzek
Reports
This document is a revised edition of an original manuscript presented to the U.S. Fish and Wildlife Service and the Virginia Marine Resources Commission in partial fulfillment of contract obligations (Sportfish Restoration Project F104R2).
Juvenile Finfish And Blue Crab Stock Assessment Program Bottom Trawl Survey Annual Data Summary Report Series Volume 1993, Patrick J. Geer, Christopher F. Bonzek, Herbert M. Austin
Juvenile Finfish And Blue Crab Stock Assessment Program Bottom Trawl Survey Annual Data Summary Report Series Volume 1993, Patrick J. Geer, Christopher F. Bonzek, Herbert M. Austin
Reports
The Virginia Institute of Marine Science (VIMS) has conducted a trawl survey dating back to 1955. Over these forty years methods and objectives have varied according to funding sources and state and/or federal mandates. The present thrust of the program is to provide juvenile indices of relative abundance for recreationally, commercially, and ecologically important finfish and invertebrates. These measures of juvenile abundance are widely used as a key element in the management of the Atlantic States' coastal fishery resources. Estimates of juveniles (age-0) have been found to provide a reliable and early indicator of future year class strength. A review …
Trends In The Distribution, Abundance, And Habitat Quality Of Submerged Aquatic Vegetation In Chesapeake Bay And Its Tidal Tributaries: 1971 To 1991, Robert J. Orth, Richard A. Batiuk, Judith F. Nowak
Trends In The Distribution, Abundance, And Habitat Quality Of Submerged Aquatic Vegetation In Chesapeake Bay And Its Tidal Tributaries: 1971 To 1991, Robert J. Orth, Richard A. Batiuk, Judith F. Nowak
Reports
This report builds on two decades of aerial and ground survey SA V distribution data, as well as development of SA V habitat requirements, establishment of SAV restoration goals and targets, compilation of historical water quality data, and implementation of a baywide monitoring program. The objectives of this report are to:
• describe trends in SAV distribution and abundance in Chesapeake Bay and its tidaf tributaries from 1 971 to 1991 ;
• relate SAV distribution over time with tiered distribution restoration goals and targets;
• compare trends in SAV distribution with corresponding trends in water quality; and • correlate …
Thoughts On Flounder Management And The Need For Action In Virginia, Herbert M. Austin
Thoughts On Flounder Management And The Need For Action In Virginia, Herbert M. Austin
Reports
No abstract provided.
Marine Resource Bulletin Vol. 26, No. 1, Virginia Sea Grant, Virginia Institute Of Marine Science
Marine Resource Bulletin Vol. 26, No. 1, Virginia Sea Grant, Virginia Institute Of Marine Science
Virginia Marine Resource Bulletin
Contents
Introduction
Marine Oils
Menhaden Oil Shortening + Eggs + Flour + Sugar + Flavoring =
Life History
Harvesting, Then and Now From the Boat to the Final Product, an Overview of Processing
By-Catch and the Menhaden Fishery How the Menhaden Fishery is Managed
New Publications
Juvenile Finfish And Blue Crab Stock Assessment Program Bottom Trawl Survey Annual Data Summary Report Series Volume 1987, Joy C. Dameron, Patrick J. Geer, Christopher F. Bonzek, Herbert M. Austin
Juvenile Finfish And Blue Crab Stock Assessment Program Bottom Trawl Survey Annual Data Summary Report Series Volume 1987, Joy C. Dameron, Patrick J. Geer, Christopher F. Bonzek, Herbert M. Austin
Reports
The Virginia Institute of Marine Science (VIMS) has conducted a trawl survey dating back to 1955. Over these forty years methods and objectives have varied according to funding sources and state and/or federal mandates. The present thrust of the program is to provide juvenile indices of relative abundance for recreationally, commercially, and ecologically important finfish and invertebrates. These measures of juvenile abundance are widely used as a key element in the management of the Atlantic States' coastal fishery resources and serve as an early indicator of future year class strength. The most abundant species captured in 1987 continued to be …