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- And ecologically important fish 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 proven to be a reliable and early indicator of future year-class strength. A review of previously available indices of juvenile abundance for important fishery resource species of the Chesapeake Bay by the Chesapeake Bay Stock Assessment Committee (CBSAC) (1)
- And penaeid shrimp. However (1)
- And spotted hake showed increase catch rates. Additionally (1)
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Articles 1 - 30 of 81
Full-Text Articles in Entire DC Network
The Tim54p–Tim22p Complex Mediates Insertion Of Proteins Into The Mitochondrial Inner Membrane, Oliver Kerscher, Jason Holder, Maithreyan Srinivasan, Roxanne S. Leung, Robert E. Jensen
The Tim54p–Tim22p Complex Mediates Insertion Of Proteins Into The Mitochondrial Inner Membrane, Oliver Kerscher, Jason Holder, Maithreyan Srinivasan, Roxanne S. Leung, Robert E. Jensen
Arts & Sciences Articles
We have identified a new protein, Tim54p, located in the yeast mitochondrial inner membrane. Tim54p is an essential import component, required for the insertion of at least two polytopic proteins into the inner membrane, but not for the translocation of precursors into the matrix. Several observations suggest that Tim54p and Tim22p are part of a protein complex in the inner membrane distinct from the previously characterized Tim23p-Tim17p complex. First, multiple copies of the TIM22 gene, but not TIM23 or TIM17, suppress the growth defect of a tim54-1 temperature-sensitive mutant. Second, Tim22p can be coprecipitated with Tim54p from detergent-solubilized mitochondria, …
Quantitative Assessment Of Fishing Mortality For Tautog (Tautoga Onitis) In Virginia : Preliminary Report, Geoffrey G. White, James E. Kirkley, Jon A. Lucy
Quantitative Assessment Of Fishing Mortality For Tautog (Tautoga Onitis) In Virginia : Preliminary Report, Geoffrey G. White, James E. Kirkley, Jon A. Lucy
Reports
Tautog (Tautoga onitis) have become a popular food and sport fish from Massachusetts to Virginia over the past ten years. Tautog are a long lived (30 years), late maturing (3-4 years), slow growing species. Although the maximum age recorded in Virginia is 31 years, recent studies have found that over 95% of the population is less than 12 years old (Hostetter and Munroe, 1993; White et aL, 1996). Adult tautog inhabit hard bottom wreck and reef environments, which are limited in Virginia's waters and are easily located and re-located by fishermen. Tautog are known to migrate inshore-offshore in New England …
Economic And Business Considerations For Small-Scale Soft Crab Production, Michael J. Oesterling, Chuck Adams
Economic And Business Considerations For Small-Scale Soft Crab Production, Michael J. Oesterling, Chuck Adams
Reports
No abstract provided.
Cattail Sedge Carex Typhinia Michx., Gene Silberhorn
Cattail Sedge Carex Typhinia Michx., 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
Estimation Of Relative Abundance Of Recreationally Important Finfish In The Virginia Portion Of The Chesapeake Bay: Annual Progress Report 1996-1997, Patrick J. Geer, Herbert M. Austin
Estimation Of Relative Abundance Of Recreationally Important Finfish In The Virginia Portion Of The Chesapeake Bay: Annual Progress Report 1996-1997, Patrick J. Geer, Herbert M. Austin
Reports
Annual indices of juvenile abundance have been generated from trawl survey data for several species of key recreational importance in the Virginia portion of Chesapeake Bay (spot, croaker, weakfish, summer flounder, black sea bass and striped bass, white and channel catfish) and four species of secondary importance (scup, white perch, northern puffer, and silver perch) for the period 1988-1997. No species has shown a continuous trend during the nine year period, although several species have revealed declines (spot, scup, y-o-y white perch, northern puffer) or increases (Atlantic croaker and striped bass) in recent years. Spot has shown the largest decline …
Evidence Of Widespread Destruction Of Submersed Aquatic Vegetation (Sav) From Clam Dredging In Chincoteague Bay, Virginia, Kenenth A. Moore, Robert J. Orth
Evidence Of Widespread Destruction Of Submersed Aquatic Vegetation (Sav) From Clam Dredging In Chincoteague Bay, Virginia, Kenenth A. Moore, Robert J. Orth
Reports
Beds of submerged aquatic vegetation (SAV) are important natural resources which are critical habitats for life stages of many commercially and recreationally important species of fish, crabs and shellfish in Virginia. SAV is comprised of rooted flowering plants which have historically grown throughout the Chesapeake Bay and Eastern Shore coastal lagoons in subtidal areas where water depths are less than 6 feet (Orth and Moore 1983). The presence of SAV in an area is indicative of water quality conditions which are low in nutrient enrichment and turbidity (Dennison et al. 1993). Given this relationship between water quality and growth, SAV …
Small-Scale Settlement Patterns Of The Oyster Crassostrea Virginica On A Constructed Intertidal Reef, Ik Bartol, Roger L. Mann
Small-Scale Settlement Patterns Of The Oyster Crassostrea Virginica On A Constructed Intertidal Reef, Ik Bartol, Roger L. Mann
VIMS Articles
The construction of three-dimensional, intertidal reefs resembling those widely present during colonial times in the Chesapeake Bay, but now absent due to years of overharvesting, may provide a more ecologically advantageous environment for oyster settlement and subsequent survival than present subtidal, two-dimensional habitats. We examined settlement processes on a constructed, 210 x 30 m intertidal reef composed of oyster shell. The reef was destructively and non-destructively sampled weekly throughout the summer and fall at tidal heights ranging from 30 cm above to 90 cm below mean low water (MLW) and at two substrate levels (reef surface and 10 cm below …
Strata Formation On Margins (Strataform) G-60 Site Benthic Boundary Layer Tripod Data Report, November 1996 - January 1997, D. A. Hepworth, C. T. Friedrichs, L. D. Wright
Strata Formation On Margins (Strataform) G-60 Site Benthic Boundary Layer Tripod Data Report, November 1996 - January 1997, D. A. Hepworth, C. T. Friedrichs, L. D. Wright
Reports
No abstract provided.
The Postlarval Phase Of Bivalve Mollusks: A Review Of Functional Ecology And New Records Of Postlarval Drifting Of Chesapeake Bay Bivalves, P Baker, Roger L. Mann
The Postlarval Phase Of Bivalve Mollusks: A Review Of Functional Ecology And New Records Of Postlarval Drifting Of Chesapeake Bay Bivalves, P Baker, Roger L. Mann
VIMS Articles
Many bivalve mollusks have one or more separate post-metamorphic stages which are functionally distinct from the late juvenile or the adult. The benthic plantigrade and the planktonic postlarva are defined and reviewed here. The plantigrade is a developmentally obligatory stage in mast bivalves. Various anatomical or conchological features, depending on taxa, are intermediate between the veliger and the juvenile. The plantigrade is benthic but highly mobile, via the foot and byssus, relative to the adult, although in some highly mobile bivalves, the plantigrade is functionally similar to the adult. The plantigrade may enter the water column briefly, but not nearly …
Black Gum Nyssa Sylvatica Marsh., Gene Silberhorn
Black Gum Nyssa Sylvatica 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 ident
Fish Lesions, Pfiesteria And The Chesapeake Bay, Virginia Sea Grant Marine Advisory Program
Fish Lesions, Pfiesteria And The Chesapeake Bay, Virginia Sea Grant Marine Advisory Program
Reports
No abstract provided.
Bacterioplankton Growth Responses To Temperature And Chlorophyll Variations In Estuaries Measured By Thymidine:Leucine Incorporation Ratio, Fk Shiah, Hw Ducklow
Bacterioplankton Growth Responses To Temperature And Chlorophyll Variations In Estuaries Measured By Thymidine:Leucine Incorporation Ratio, Fk Shiah, Hw Ducklow
VIMS Articles
To identify the biochemical response of heterotrophic bacterioplankton to changing environmental conditions, seasonal and diel cycles of bacterial protein and DNA synthesis rates were estimated in temperate estuarine habitats from H-3-leucine (Leu) and H-3-thymidine (TdR) incorporation rates. Several short-term temperature manipulation experiments (5 to 35 degrees C) and 2 mesocosm experiments were performed to examine the effects of temperature and substrate supply on the ratio of Leu:TdR, respectively. The molar ratio of Leu to TdR varied about 5-fold (5.6 to 29.5) in the field and the values of the ratio were lower and more constant during high temperature (>25 …
Vims Three-Dimensional Hydrodynamic-Eutrophication Model (Hem-3d): Application Of The Hydrodynamic Model To The York River System, G. M. Sisson, Jian Shen, Sung-Chan Kim, John D. Boon
Vims Three-Dimensional Hydrodynamic-Eutrophication Model (Hem-3d): Application Of The Hydrodynamic Model To The York River System, G. M. Sisson, Jian Shen, Sung-Chan Kim, John D. Boon
Reports
No abstract provided.
Trophic Studies On Constructed “Restored” Oyster Reefs, Roger L. Mann, Juliana Harding
Trophic Studies On Constructed “Restored” Oyster Reefs, Roger L. Mann, Juliana Harding
Reports
No abstract provided.
Highbush Blueberry Vaccinium Corymbosum L., Gene Silberhorn
Highbush Blueberry Vaccinium Corymbosum 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 ident
Modeling The Lower Chesapeake Bay Littoral Zone & Fringing Wetlands: Ecosystem Processes And Habitat Linkages Iii: Model Scenarios Related To Water Quality And Submersed Vegetation, Richard L. Wetzel, Christopher P. Buzzelli
Modeling The Lower Chesapeake Bay Littoral Zone & Fringing Wetlands: Ecosystem Processes And Habitat Linkages Iii: Model Scenarios Related To Water Quality And Submersed Vegetation, Richard L. Wetzel, Christopher P. Buzzelli
Reports
No abstract provided.
Juvenile Fish And Blue Crab Stock Assessment Program Bottom Trawl Survey Annual Data Summary Report Volume 1996, Patrick J. Geer, Herbert M. Austin, Christopher F. Bonzek
Juvenile Fish And Blue Crab Stock Assessment Program Bottom Trawl Survey Annual Data Summary Report Volume 1996, Patrick J. Geer, Herbert M. Austin, Christopher F. Bonzek
Reports
No abstract provided.
Partridge Pea Chamaecrista Fasciculata (Michx.) Greene Syn. Cassia Fasciculata Michx., Gene Silberhorn
Partridge Pea Chamaecrista Fasciculata (Michx.) Greene Syn. Cassia Fasciculata Michx., 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
Phenotypic Plasticity In The Foot Size Of An Intertidal Snail, Gc Trussell
Phenotypic Plasticity In The Foot Size Of An Intertidal Snail, Gc Trussell
VIMS Articles
The risk of dislodgment due to hydrodynamic forces on rocky intertidal shores is greater on wave-exposed than an protected shores, and this:is believed to represent an important selective force in intertidal communities. For intertidal snails, the probability of dislodgment by a given flow is determined, in part, by shell size and shape, and by the attachment strength of the foot. This study addressed two questions. First, do habitat-specific differences in traits that reduce the risk of dislodgment of an intertidal snail(Littorina obtusata) parallel differences in wave energies? To address this question, I measured variation in (1) shell size (defined as …
Evaluation Of The Potomac River American Eel (Anguilla Rostrata) Pot Fishery Based On Commercial Landings, Patrick J. Geer
Evaluation Of The Potomac River American Eel (Anguilla Rostrata) Pot Fishery Based On Commercial Landings, Patrick J. Geer
Reports
No abstract provided.
Phenotypic Selection In An Intertidal Snail: Effects Of A Catastrophic Storm, G. Trussell
Phenotypic Selection In An Intertidal Snail: Effects Of A Catastrophic Storm, G. Trussell
VIMS Articles
Littorina obtusata exhibits clear morphological variation (e.g. shell height, shell length, and aperture area) among shores differentially exposed to wave energies. Selection imposed by the hydrodynamic environment is often invoked to explain the correlation between morphology and wave exposure in intertidal organisms, but rarely is this hypothesis tested. I examined the effects of a catastrophic storm on the shell length and relative shell height and aperture area of L. obtusata populations on 2 protected and 1 wave-exposed share in New England (USA) to test this hypothesis. Snails sampled after the storm had relatively squatter shells than those sampled before the …
Swamp Dogwood, Silky Dogwood Cornus Amomum Mill., Gene Silberhorn
Swamp Dogwood, Silky Dogwood Cornus Amomum Mill., 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
Naval Amphibious Base Little Creek, Chesapeake Bay Shoreline Shoreline Management Plan And Officer's Beach Shore Protection Evaluation, C. Scott Hardaway Jr., Donna A. Milligan, Jerome P. Y Maa, George R. Thomas
Naval Amphibious Base Little Creek, Chesapeake Bay Shoreline Shoreline Management Plan And Officer's Beach Shore Protection Evaluation, C. Scott Hardaway Jr., Donna A. Milligan, Jerome P. Y Maa, George R. Thomas
Reports
No abstract provided.
Evaluation Of Crew Size Limits And Dredge Ring Size Restriction In The Atlantic Sea Scallop Fishery, William D. Dupaul, James E. Kirkley
Evaluation Of Crew Size Limits And Dredge Ring Size Restriction In The Atlantic Sea Scallop Fishery, William D. Dupaul, James E. Kirkley
Reports
No abstract provided.
Sensitivity Of Bottom Stress And Bottom Roughness Estimates To Density Stratification, Eckernforde Bay, Southern Baltic Sea, Carl T. Friedrichs, Ld Wright
Sensitivity Of Bottom Stress And Bottom Roughness Estimates To Density Stratification, Eckernforde Bay, Southern Baltic Sea, Carl T. Friedrichs, Ld Wright
VIMS Articles
Thermohaline density stratification may significantly alter the classic near-bottom logarithmic velocity profile in many weak to moderately energetic, partially mixed estuaries. Results from Eckernforde Bay suggest fits to log profiles which neglect thermohaline stratification may lead to overestimates of bottom stress and roughness of the order of 130 % and 600 %, respectively. Measurements of velocity obtained at four heights within 1 m of the seabed are input to theoretical models for velocity shear derived via dimensional arguments for the ''overlap'' layer. Previous investigators applying dimensional arguments to thermohaline stratification in estuaries have assumed buoyancy flux to be independent of …
Status Of The Major Oyster Diseases In Virginia 1996 A Summary Of The Annual Monitoring Program, Lisa M. Ragone Calvo, Eugene M. Burreson
Status Of The Major Oyster Diseases In Virginia 1996 A Summary Of The Annual Monitoring Program, Lisa M. Ragone Calvo, Eugene M. Burreson
Reports
No abstract provided.
Ironwood, Blue Beech, American Hornbeam, Muscle Wood Carpinus Caroliniana Walter, Gene Silberhorn
Ironwood, Blue Beech, American Hornbeam, Muscle Wood Carpinus Caroliniana Walter, 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
Investigating The Management Potential Of A Seagrass Model Through Sensitivity Analysis And Experiments, P Fong, Me Jacobson, Mc Mescher, D Lirman, Mc Harwell
Investigating The Management Potential Of A Seagrass Model Through Sensitivity Analysis And Experiments, P Fong, Me Jacobson, Mc Mescher, D Lirman, Mc Harwell
VIMS Articles
Loss of seagrass-dominated ecosystems worldwide has been attributed to anthropogenic modifications of watersheds; in response, proper management of these systems has become a priority. In this paper, sensitivity analysis and comparison of model predictions to field observations identified conditions under which a subtropical to tropical seagrass ecosystem model would be a useful management tool. Sensitivity analysis indicated that under low-nutrient conditions, physical factors such as temperature, light, and salinity controlled model predictions of seagrass and epiphyte biomass, but that when nutrients were abundant (5 mu mol/L sediment pore water P; 10 mu mol/L water column P) control shifted to biological …
1996 Annual Awards, Virginia Institute Of Marine Science
1996 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.
Marine Resource Bulletin Vol. 29, No. 1 & 2, Virginia Sea Grant, Virginia Institute Of Marine Science
Marine Resource Bulletin Vol. 29, No. 1 & 2, Virginia Sea Grant, Virginia Institute Of Marine Science
Virginia Marine Resource Bulletin
Contents
Tunas Atlantic Bluefin Management
Virginia's Offshore Fishing
Wachapreague: Home of Virginia's Oldest Charterboat Fleet Schooling
Temerature, Temperature: The Key to Tuna Storage
State-of-the-Art Tags
Tunas in the Western Atlantic
Recent Publications