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Articles 1861 - 1890 of 4602

Full-Text Articles in Physical Sciences and Mathematics

Using Chesapeake Bay Models To Develop Informed Observational Sampling Strategies, A. J. Bever, M. A.M. Friedrichs, C. T. Friedrichs Jun 2011

Using Chesapeake Bay Models To Develop Informed Observational Sampling Strategies, A. J. Bever, M. A.M. Friedrichs, C. T. Friedrichs

Presentations

No abstract provided.


Estuarine Hypoxia Modeling, Carl T. Friedrichs, Estuarine Hypoxia Testbed Team Jun 2011

Estuarine Hypoxia Modeling, Carl T. Friedrichs, Estuarine Hypoxia Testbed Team

Presentations

No abstract provided.


Estuarine Hypoxia Modeling Breakout, Carl T. Friedrichs, Estuarine Hypoxia Testbed Team Jun 2011

Estuarine Hypoxia Modeling Breakout, Carl T. Friedrichs, Estuarine Hypoxia Testbed Team

Presentations

No abstract provided.


Estuarine Hypoxia Modeling In Chesapeake Bay, Carl T. Friedrichs, Estuarine Hypoxia Testbed Team Jun 2011

Estuarine Hypoxia Modeling In Chesapeake Bay, Carl T. Friedrichs, Estuarine Hypoxia Testbed Team

Presentations

No abstract provided.


Using Chesapeake Bay Models To Develop Informed Observational Sampling Strategies, A. J. Bever, M.A.M. Friedrichs, Carl T. Friedrichs Jun 2011

Using Chesapeake Bay Models To Develop Informed Observational Sampling Strategies, A. J. Bever, M.A.M. Friedrichs, Carl T. Friedrichs

Presentations

No abstract provided.


U.S. Ioos Testbed Comparisons: Hydrodynamics And Hypoxia, M.A.M. Friedrichs, A. J. Bever, Carl T. Friedrichs, Estuarine Hypoxia Testbed Team Jun 2011

U.S. Ioos Testbed Comparisons: Hydrodynamics And Hypoxia, M.A.M. Friedrichs, A. J. Bever, Carl T. Friedrichs, Estuarine Hypoxia Testbed Team

Presentations

No abstract provided.


Virginia Shellfish Aquaculture Situation And Outlook Report : Results Of The 2010 Virginia Shellfish Aquaculture Crop Reporting Survey, Thomas J. Murray, Karen Hudson Jun 2011

Virginia Shellfish Aquaculture Situation And Outlook Report : Results Of The 2010 Virginia Shellfish Aquaculture Crop Reporting Survey, Thomas J. Murray, Karen Hudson

Reports

Recent growth of the shellfish aquaculture industry in Virginia has added significant value to the state’s seafood marketplace. Today, watermen continue to harvest both hard clams and oysters from the state’s public resources, albeit at diminished rates. At the same time, Virginia’s watermen-farmers are providing growing quantities of additional quality shellfish to consumers. Following the lead of the hard clam industry, there has been a significant transition to intensive aquaculture of native oysters in recent years. The once extensive oyster planting has disappeared primarily as a result of endemic oyster diseases and increasing wildlife predation of seed oysters. In its …


Estuarine Hypoxia Team, Carl T. Friedrichs May 2011

Estuarine Hypoxia Team, Carl T. Friedrichs

Presentations

No abstract provided.


In Situ Characterization Of Estuarine Suspended Sediment In The Presence Of Muddy Flocs And Pellets, Grace M. Cartwright, Carl T. Friedrichs, L. P. Sanford May 2011

In Situ Characterization Of Estuarine Suspended Sediment In The Presence Of Muddy Flocs And Pellets, Grace M. Cartwright, Carl T. Friedrichs, L. P. Sanford

Presentations

No abstract provided.


Approaches For Quantifying Seabed Morphology: Techniques For Utilizing Rotary Sonar Systems, A. D. Skarke, A. C. Trembanis, Carl T. Friedrichs May 2011

Approaches For Quantifying Seabed Morphology: Techniques For Utilizing Rotary Sonar Systems, A. D. Skarke, A. C. Trembanis, Carl T. Friedrichs

Presentations

No abstract provided.


A Brown-World Cascade In The Dung Decomposer Food Web Of An Alpine Meadow: Effects Of Predator Interactions And Warming, Xw Wu, Je Duffy, Pb Reich, Sc Sun May 2011

A Brown-World Cascade In The Dung Decomposer Food Web Of An Alpine Meadow: Effects Of Predator Interactions And Warming, Xw Wu, Je Duffy, Pb Reich, Sc Sun

VIMS Articles

Top-down control has been extensively documented in food webs based on living plants, where predator limitation of herbivores can cascade to facilitate plant growth (the green-world hypothesis), particularly in grasslands and aquatic systems. Yet the ecosystem role of predators in detrital food webs is less explored, as is the potential effect of climate warming on detritus-based communities. We here show that predators have a "brown-world" role in decomposer communities via a cascading top-down control on plant growth, based on the results of an experiment that factorially manipulated presence and size of two predator species as well as temperature (warmed vs. …


Emergence Of Switch-Like Behavior In A Large Family Of Simple Biochemical Networks, Dan Siegal-Gaskins, Maria K. Mejia-Guerra, Gregory D. Smith, Erich Grotewold May 2011

Emergence Of Switch-Like Behavior In A Large Family Of Simple Biochemical Networks, Dan Siegal-Gaskins, Maria K. Mejia-Guerra, Gregory D. Smith, Erich Grotewold

Arts & Sciences Articles

Bistability plays a central role in the gene regulatory networks (GRNs) controlling many essential biological functions, including cellular differentiation and cell cycle control. However, establishing the network topologies that can exhibit bistability remains a challenge, in part due to the exceedingly large variety of GRNs that exist for even a small number of components. We begin to address this problem by employing chemical reaction network theory in a comprehensive in silico survey to determine the capacity for bistability of more than 40,000 simple networks that can be formed by two transcription factor-coding genes and their associated proteins (assuming only the …


Virginia Game Fish Tagging Program Annual Report 2010, Susanna Musick, Lewis Gillingham May 2011

Virginia Game Fish Tagging Program Annual Report 2010, Susanna Musick, Lewis Gillingham

Reports

Through 2010, the Virginia Game Fish Tagging Program has maintained a 16-year database of records for tagged and recaptured fish. The program is a cooperative project of the Virginia Saltwater Fishing Tournament (under the Virginia Marine Resources Commission-VMRC) and the Virginia Institute of Marine Science (VIMS) of the College of William and Mary (under the VIMS Marine Advisory Program).


In Situ Characterization Of Estuarine Suspended In The Presence Of Muddy Flocs And Pellets, Grace M. Cartwright, Carl T. Friedrichs, L. P. Sanford Apr 2011

In Situ Characterization Of Estuarine Suspended In The Presence Of Muddy Flocs And Pellets, Grace M. Cartwright, Carl T. Friedrichs, L. P. Sanford

Presentations

No abstract provided.


The Assessment Of Sediment Bed Properties Within The York River Estuary As A Function Of Spring And Neap Tidal Cycle, L. M. Kraatz, Carl T. Friedrichs Apr 2011

The Assessment Of Sediment Bed Properties Within The York River Estuary As A Function Of Spring And Neap Tidal Cycle, L. M. Kraatz, Carl T. Friedrichs

Presentations

No abstract provided.


Improved Observation, Analysis, And Modeling Of Fine Sediment Dynamics In Turbid, Biologically Active Coastal Environments: A New Nsf-Funded Study Taking Place In The York River Estuary, Carl T. Friedrichs Apr 2011

Improved Observation, Analysis, And Modeling Of Fine Sediment Dynamics In Turbid, Biologically Active Coastal Environments: A New Nsf-Funded Study Taking Place In The York River Estuary, Carl T. Friedrichs

Presentations

No abstract provided.


Lecture 10: Human Activities And Future Coast, Carl T. Friedrichs Apr 2011

Lecture 10: Human Activities And Future Coast, Carl T. Friedrichs

Presentations

No abstract provided.


Lecture 7: Deltas And Estuaries, Carl T. Friedrichs Apr 2011

Lecture 7: Deltas And Estuaries, Carl T. Friedrichs

Presentations

No abstract provided.


Lecture 9: Morphodynamics Of Coastal Systems, Carl T. Friedrichs Apr 2011

Lecture 9: Morphodynamics Of Coastal Systems, Carl T. Friedrichs

Presentations

No abstract provided.


Mudbed: Multi-Disciplinary Benthic Exchange Dynamics, Carl T. Friedrichs Apr 2011

Mudbed: Multi-Disciplinary Benthic Exchange Dynamics, Carl T. Friedrichs

Presentations

No abstract provided.


Lecture 8: Muddy Coasts, Carl T. Friedrichs Apr 2011

Lecture 8: Muddy Coasts, Carl T. Friedrichs

Presentations

No abstract provided.


Monitoring Relative Abundance Of American Shad In Virginia Rivers 2010 Annual Report, Eric J. Hilton, Rob Latour, Brian Watkins, Ashleigh Magee Apr 2011

Monitoring Relative Abundance Of American Shad In Virginia Rivers 2010 Annual Report, Eric J. Hilton, Rob Latour, Brian Watkins, Ashleigh Magee

Reports

Concern about the decline in landings of American shad (Alosa sapidissima) along the Atlantic coast prompted the development of an interstate fisheries management plan (FMP) under the auspices of the Atlantic States Marine Fisheries Management Program (ASMFC 1999). Legislation enables imposition of federal sanctions on fishing in those states that fail to comply with the FMP. To be in compliance, coastal states are required to implement and maintain fishery-dependent and fishery-independent monitoring programs as specified by the FMP. For Virginia, these requirements include spawning stock assessments, the collection of biological data on the spawning run (e.g., age-structure, sex ratio, and …


Lecture 5: Reef Coasts, Carl T. Friedrichs Apr 2011

Lecture 5: Reef Coasts, Carl T. Friedrichs

Presentations

No abstract provided.


Lecture 6: Beach And Barrier Coasts, Carl T. Friedrichs Apr 2011

Lecture 6: Beach And Barrier Coasts, Carl T. Friedrichs

Presentations

No abstract provided.


Lecture 1: Introduction To Coastal Processes, Carl T. Friedrichs Apr 2011

Lecture 1: Introduction To Coastal Processes, Carl T. Friedrichs

Presentations

No abstract provided.


Lecture 4: Rocky Coasts, Carl T. Friedrichs Apr 2011

Lecture 4: Rocky Coasts, Carl T. Friedrichs

Presentations

No abstract provided.


Lecture 2: Geological Setting, Carl T. Friedrichs Apr 2011

Lecture 2: Geological Setting, Carl T. Friedrichs

Presentations

No abstract provided.


Lecture 3: Hydrodynamics And Sediment Dynamics, Carl T. Friedrichs Apr 2011

Lecture 3: Hydrodynamics And Sediment Dynamics, Carl T. Friedrichs

Presentations

No abstract provided.


Tidal Morphodynamics, Carl T. Friedrichs Apr 2011

Tidal Morphodynamics, Carl T. Friedrichs

Presentations

No abstract provided.


Hypoxia In Chesapeake Bay: A Model Intercomparison Analysis, M.A.M. Friedrichs, A. J. Bever, M. E. Scully, Carl T. Friedrichs Apr 2011

Hypoxia In Chesapeake Bay: A Model Intercomparison Analysis, M.A.M. Friedrichs, A. J. Bever, M. E. Scully, Carl T. Friedrichs

Presentations

No abstract provided.