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- Research and Technical Reports (28)
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Articles 1 - 30 of 39
Full-Text Articles in Life Sciences
Evaluation Of Striped Bass Stocks In Virginia, Monitoring And Tagging Studies, 2004-2008 Annual Report, 1 September 2007 - 31 September 2008, Philip W. Sadler, John M. Hoenig, Robert E. Harris, Matthew W. Smith, Rebecca J. Wilk, Lydia M. Goins
Evaluation Of Striped Bass Stocks In Virginia, Monitoring And Tagging Studies, 2004-2008 Annual Report, 1 September 2007 - 31 September 2008, Philip W. Sadler, John M. Hoenig, Robert E. Harris, Matthew W. Smith, Rebecca J. Wilk, Lydia M. Goins
Reports
This report presents the results of striped bass (Morone saxatilis) tagging and monitoring activities in Virginia during the period 1 September 2007 through 31 August 2008. It includes an assessment of the biological characteristics of striped bass taken from the 2008 spring spawning run, estimates of annual survival and fishing mortality based on annual spring tagging, and the results of the study that documents the prevalence of mycobacterial infections of striped bass in Chesapeake Bay. The information contained in this report is required by the Atlantic States Marine Fisheries Commission and is used to implement a coordinated management plan for …
Shellfish Aquaculture Suitability Within Baylor Grounds Of The Lower Rappahannock River, Center For Coastal Resources Management, Virginia Institute Of Marine Science
Shellfish Aquaculture Suitability Within Baylor Grounds Of The Lower Rappahannock River, Center For Coastal Resources Management, Virginia Institute Of Marine Science
Reports
Should the Commonwealth of Virginia ever consider a regulated expansion of the aquaculture industry to public Baylor ground, timely information regarding the productivity of these grounds and the ability to support aquaculture would be highly desirable information. In this scenario, public bottom will be opened to private shellfish growers in the Commonwealth under what will likely be a tightly monitored regulation. The demise in productivity of natural oyster beds within Baylor Grounds is well known. However, there is no comprehensive resource that addresses whether Baylor Grounds would be suitable for aquaculture. This study uses Geographic Information Systems (GIS) to model …
Connecting Science And Management For Virginia's Tidal Wetlands, Center For Coastal Resources Management, Virginia Institute Of Marine Science
Connecting Science And Management For Virginia's Tidal Wetlands, Center For Coastal Resources Management, Virginia Institute Of Marine Science
Reports
Rivers & Coast is a periodic publication of the Center for Coastal Resources Management, Virginia Institute of Marine Science. The goal of Rivers & Coast is to keep readers well informed of current scientific understanding behind key environmental issues related to watershed rivers and coastal ecosystems of the Chesapeake Bay
Economic Implications Of Alternative Management Strategies For Virginia Oysters And Clams, Darrell Bosch, Nicolai V. Kuminoff, Anna Harris, Jaren C. Pope, Kurt Stephenson, Pamela Mason
Economic Implications Of Alternative Management Strategies For Virginia Oysters And Clams, Darrell Bosch, Nicolai V. Kuminoff, Anna Harris, Jaren C. Pope, Kurt Stephenson, Pamela Mason
Reports
The Virginia shellfish industry has historically been an important element of the state’s economy. After long-term downward trends in the harvest of wild stocks, clam and oyster production from shellfish aquaculture has been growing. This report provides an analysis of the possible ways to support and enhance this expansion through a variety of shellfish policy options. Three general classes of policy alternatives were considered: 1) state policy to increase private grounds available for shellfish production, 2) state research and development programs, and 3) various financial incentives to increase production. In general, the availability of suitable lease ground is not a …
Chesapeake Bay National Estuarine Research Reserve In Virginia Management Plan: 2008-2012, W. G. Reay, Sandra Erdle, Scott Lerberg, Sarah Mcguire, Ken Moore
Chesapeake Bay National Estuarine Research Reserve In Virginia Management Plan: 2008-2012, W. G. Reay, Sandra Erdle, Scott Lerberg, Sarah Mcguire, Ken Moore
Reports
No abstract provided.
Economic Outlook For Expansion Of The Eastern Shore Farmers’ Market: Seafood Handling, Storage, And Transportation Facility, Thomas J. Murray, James E. Kirkley
Economic Outlook For Expansion Of The Eastern Shore Farmers’ Market: Seafood Handling, Storage, And Transportation Facility, Thomas J. Murray, James E. Kirkley
Reports
No abstract provided.
Interim Report An Assessment Of Sea Scallop Abundance And Distribution In Selected Closed Areas: Georges Bank Area Ii And The Delmarva Closed Area, William D. Dupaul, David Rudders
Interim Report An Assessment Of Sea Scallop Abundance And Distribution In Selected Closed Areas: Georges Bank Area Ii And The Delmarva Closed Area, William D. Dupaul, David Rudders
Reports
No abstract provided.
Evaluating Recruitment Of American Eel, Anguilla Rostrata, To The Potomac River (Spring 2008), Mary C. Fabrizio, Troy D. Tuckey
Evaluating Recruitment Of American Eel, Anguilla Rostrata, To The Potomac River (Spring 2008), Mary C. Fabrizio, Troy D. Tuckey
Reports
The Atlantic States Marine Fisheries Commission (ASMFC) adopted the Interstate Fishery Management Plan (FMP) for the American eel in November 1999. The FMP focuses on increasing coastal states’ efforts to collect American eel data through both fishery-dependent and fishery-independent studies. Consequently, member jurisdictions agreed to implement an annual survey for young of the year (YOY) American eels. The survey is intended to “…characterize trends in annual recruitment of the YOY eels over time [to produce a] qualitative appraisal of the annual recruitment of American eel to the U.S. Atlantic Coast” (ASMFC, 2000). The development of these surveys began in 2000 …
Environmental Code Of Practices For The Virginia Shellfish Culture Industry, Michael Oesterling, Mark Luckenbach
Environmental Code Of Practices For The Virginia Shellfish Culture Industry, Michael Oesterling, Mark Luckenbach
Reports
No abstract provided.
Benthic Habitat Characterization Within The Nearshore Of Mobjack Bay, Virginia : Final Report, Donna Marie Bilkovic, Kory Angstadt, David Stanhope, Carl H. Hershner
Benthic Habitat Characterization Within The Nearshore Of Mobjack Bay, Virginia : Final Report, Donna Marie Bilkovic, Kory Angstadt, David Stanhope, Carl H. Hershner
Reports
No abstract provided.
Best Management Practices For The Virginia Shellfish Culture Industry, Michael Oesterling, Mark Luckenbach
Best Management Practices For The Virginia Shellfish Culture Industry, Michael Oesterling, Mark Luckenbach
Reports
No abstract provided.
Technical Support In Engineering Construction Phase Of Craney Island Eastward Expansion, Mac Sisson, Harry V. Wang, Yuepeng Li, Jian Shen, Albert Y. Kuo, Wenping Gong
Technical Support In Engineering Construction Phase Of Craney Island Eastward Expansion, Mac Sisson, Harry V. Wang, Yuepeng Li, Jian Shen, Albert Y. Kuo, Wenping Gong
Reports
No abstract provided.
Estimating Relative Juvenile Abundance Of Ecologically Important Finfish In The Virginia Portion Of Chesapeake Bay, Mary C. Fabrizio, Troy D. Tuckey
Estimating Relative Juvenile Abundance Of Ecologically Important Finfish In The Virginia Portion Of Chesapeake Bay, Mary C. Fabrizio, Troy D. Tuckey
Reports
No abstract provided.
Estimating Relative Abundance Of Young Of Year American Eel, Anguilla Rostrata, In The Virginia Tributaries Of Chesapeake Bay (Spring 2007), Troy D. Tuckey
Estimating Relative Abundance Of Young Of Year American Eel, Anguilla Rostrata, In The Virginia Tributaries Of Chesapeake Bay (Spring 2007), Troy D. Tuckey
Reports
The Atlantic States Marine Fisheries Commission (ASMFC) adopted the Interstate Fishery Management Plan (FMP) for the American eel in November 1999. The FMP focuses on increasing coastal states’ efforts to collect American eel data through both fishery dependent and fishery independent studies. Consequently, member jurisdictions (including Virginia) agreed to implement an annual survey for YOY American eels. The survey is intended to “…characterize trends in annual recruitment of the YOY eels over time [to produce a] qualitative appraisal of the annual recruitment of American eel to the U.S. Atlantic Coast” (ASMFC, 2000). The development of these surveys began in 2000 …
Water Quality Conditions And Restoration Of Submerged Aquatic Vegetation (Sav) In The Tidal Freshwater James River 2007, Ken Moore, Betty Neikirk, Erin C. Shields, Jessie Jarvis, David Parrish
Water Quality Conditions And Restoration Of Submerged Aquatic Vegetation (Sav) In The Tidal Freshwater James River 2007, Ken Moore, Betty Neikirk, Erin C. Shields, Jessie Jarvis, David Parrish
Reports
In 2007, wild celery (Vallisneria americana) and water stargrass (Heteranthera dubia) were planted at sites in the Hopewell region of the tidal James River. The SA V transplants from 2007 and previous years were monitoried by the Virginia Institute of Marine Science (VIMS) for survivorship and growth throughout the growing season. Nursery ponds were constructed at the VIMS campus for development of SA V transplant propagules. Water quality sampling was conducted at bi-weekly intervals throughout the year for water column nutrients, chlorophyll a, suspended solids, water transparency and other chemical and physical constituents important for SAV growth. Continuous water quality …
An Evaluation Of Size Selectivity And Relative Efficiency Of Black Sea Bass, Centropristis Striata, Habitat Pots Equipped With Large Mesh Panels, David Rudders, Robert A. Fisher, Noelle Yochum
An Evaluation Of Size Selectivity And Relative Efficiency Of Black Sea Bass, Centropristis Striata, Habitat Pots Equipped With Large Mesh Panels, David Rudders, Robert A. Fisher, Noelle Yochum
Reports
The black sea bass, Centropristis striata, fishery is in a state of transition. Regulatory changes found in Amendment #9 to the Summer Flounder, Scup and Black Sea Bass Fishery Management Plan implemented measures intended to both rebuild the stock and to maintain it at sustainable levels into the future. These measures included commercial quotas, commercial gear requirements, minimum size limits, recreational harvest limits, and permit and reporting requirements. One vital component contributing to the efficacy of these regulatory measures and future sustainability of the fishery are regulations that effectively protect sub-legal fish. The protection of sub-legal fish not only increases …
Final Report Calibrating Industry Scallop Surveys With Noaa Vessel Platforms, William D. Dupaul, David Rudders
Final Report Calibrating Industry Scallop Surveys With Noaa Vessel Platforms, William D. Dupaul, David Rudders
Reports
No abstract provided.
Final Report An Assessment Of Sea Scallop Abundance And Distribution In Selected Closed Areas: Georges Bank Area I And Ii, Nantucket Lightship And Elephant Trunk, William D. Dupaul, David Rudders
Final Report An Assessment Of Sea Scallop Abundance And Distribution In Selected Closed Areas: Georges Bank Area I And Ii, Nantucket Lightship And Elephant Trunk, William D. Dupaul, David Rudders
Reports
No abstract provided.
Virginia Shellfish Aquaculture Situation And Outlook Report : Results Of The 2007 Virginia Shellfish Aquaculture Crop Reporting Survey, Thomas J. Murray, Michael J. Oesterling
Virginia Shellfish Aquaculture Situation And Outlook Report : Results Of The 2007 Virginia Shellfish Aquaculture Crop Reporting Survey, Thomas J. Murray, Michael J. Oesterling
Reports
Continued 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 …
Final Report - 2007 Data Collection And Analysis In Support Of Single And Multispecies Stock Assessments In Chesapeake Bay: The Chesapeake Bay Multispecies Monitoring And Assessment Program, Christopher F. Bonzek, Robert J. Latour, James Gartland
Final Report - 2007 Data Collection And Analysis In Support Of Single And Multispecies Stock Assessments In Chesapeake Bay: The Chesapeake Bay Multispecies Monitoring And Assessment Program, Christopher F. Bonzek, Robert J. Latour, James Gartland
Reports
Historically, fisheries management has been based on the results of single-species stock assessment models that focus on the interplay between exploitation level and sustainability. There currently exists a suite of standard and accepted analytical frameworks (e.g., virtual population analysis (VPA), biomass dynamic production modeling, delay difference models, etc.) for assessing the stocks, projecting future stock size, evaluating recovery schedules and rebuilding strategies for overfished stocks, setting allowable catches, and estimating fishing mortality or exploitation rates. A variety of methods also exist to integrate the biological system and the fisheries resource system, thereby enabling the evaluation of alternative management strategies on …
Monitoring Relative Abundance Of American Shad In Virginia Rivers 2007 Annual Report, John E. Olney, Brian Watkins
Monitoring Relative Abundance Of American Shad In Virginia Rivers 2007 Annual Report, John E. Olney, Brian Watkins
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 …
Northeast Area Monitoring And Assessment Program (Neamap) Mid-Atlantic Nearshore Trawl Program Progress Report: Fall 2007 Survey Data Summary, Christopher F. Bonzek, James Gartland, J. David Lange, Robert J. Latour
Northeast Area Monitoring And Assessment Program (Neamap) Mid-Atlantic Nearshore Trawl Program Progress Report: Fall 2007 Survey Data Summary, Christopher F. Bonzek, James Gartland, J. David Lange, Robert J. Latour
Reports
Concerns regarding the status of fishery-independent data collection from the continental shelf waters between Cape Hatteras, North Carolina and the U.S. / Canadian border led the Atlantic States Marine Fisheries Commission’s (ASMFC) Management and Science Committee (MSC) to draft a resolution in 1997 calling for the formation the Northeast Area Monitoring and Assessment Program (NEAMAP) (ASMFC 2002). NEAMAP is a cooperative state-federal program modeled after the Southeast Area Monitoring and Assessment Program (SEAMAP), which had been coordinating fishery-independent data collection south of Cape Hatteras since the mid-1980s (Rester 2001). The four main goals of this new program directly address the …
The Elizabeth River Monitoring Program 2006-2007: Association Between Mummichog Liver Histopathology And Sediment Chemical Contamination, Wolfgang K. Vogelbein, Michael A. Unger, David Gauthier
The Elizabeth River Monitoring Program 2006-2007: Association Between Mummichog Liver Histopathology And Sediment Chemical Contamination, Wolfgang K. Vogelbein, Michael A. Unger, David Gauthier
Reports
The Virginia Department of Environmental Quality has conducted an environmental monitoring program in the Elizabeth River, Virginia for several years. The overall aim of this monitoring program has been to develop an assessment of the rivers “health” and to develop methods that would allow DEQ to track the state of the watershed through implementation of a long-term monitoring program for water, sediment and biota. This report summarizes the results from an investigation of mummichog (Fundulus heteroclitus) liver pathology and sediment chemical analyses.
Developing An Alternative Fishery For Virginia Watermen: The Case For Oyster Toadfish (Opsanus Tau), Dan Kauffman, Jim Casey
Developing An Alternative Fishery For Virginia Watermen: The Case For Oyster Toadfish (Opsanus Tau), Dan Kauffman, Jim Casey
Reports
This project sought to determine if a crabber by-catch, oyster toads, can be kept alive and marketed successfully so that both crabbers and distributors can gain supplemental income. Other Virginia crabbers and distributors have previously tried selling live toads but evetually abandoned or severely restricted their operations because of mortality problems.
A History Of Woodland Dynamics In The Owyhee’S: Encroachment, Stand Closure, Understory Dynamics, And Tree Biomass, Rick Miller, Jaime Ratchford, Dustin Johnson
A History Of Woodland Dynamics In The Owyhee’S: Encroachment, Stand Closure, Understory Dynamics, And Tree Biomass, Rick Miller, Jaime Ratchford, Dustin Johnson
Reports
Piñon and juniper woodlands in the cold desert of the Intermountain West occupy over 44.6 million acres (Miller and Tausch 2001). These woodlands are commonly associated with sagebrush communities forming a mosaic of shrub-steppe and woodland across the region. Numerous studies have documented the recent expansion (since the late 1800’s) of these woodlands that has resulted in the replacement of shrub-steppe communities. Recent debate has challenged the degree of expansion in terms of percent of new areas occupied by trees and the increase in total population of piñon and juniper since the late 1800’s. Various interest groups have become concerned …
Food And Nutrient Intake And Attitudes Among Disadvantaged Groups On The Island Of Ireland: Summary Report, John Kearney, Daniel Mccarthy, Sarah Burke, Barbara Knox, Maria Barton
Food And Nutrient Intake And Attitudes Among Disadvantaged Groups On The Island Of Ireland: Summary Report, John Kearney, Daniel Mccarthy, Sarah Burke, Barbara Knox, Maria Barton
Reports
No abstract provided.
Chesapeake Bay Multispecies Monitoring And Assessment Program (Chesmmap) Prey Species 2002-2008, Chesapeake Bay Multispecies Monitoring And Assessment Program
Chesapeake Bay Multispecies Monitoring And Assessment Program (Chesmmap) Prey Species 2002-2008, Chesapeake Bay Multispecies Monitoring And Assessment Program
Reports
Identification and guide to stomach contents in species captured in monitoring studies.
The Status Of Virginia's Public Oyster Resource 2007, Melissa Southworth, Juliana Harding, Roger L. Mann
The Status Of Virginia's Public Oyster Resource 2007, Melissa Southworth, Juliana Harding, Roger L. Mann
Reports
This report summarizes data collected during 2007 in the Virginia portion of the Chesapeake Bay. The report is composed of two parts, part one, oyster recruitment (shell string) in Virginia and part two, dredge survey of selected oyster bars in Virginia.
Virginia Game Fish Tagging Program Annual Report 2007, John A. Lucy, Lewis Gillingham
Virginia Game Fish Tagging Program Annual Report 2007, John A. Lucy, Lewis Gillingham
Reports
Initiated in 1995, the Virginia Game Fish Tagging Program (VGFTP) database is comprised of tagged fish records, and corresponding recaptured fish records. These records are primarily generated through contributed efforts of a dedicated corps of trained marine anglers targeting only a select number of target species. The recaptured fish records are the result of observant individuals noticing the tags in live or freshly-boxed/shipped fish. Recapture reports originate from a mix of sources, including marine anglers, commercial fishers, workers in fish packinghouses, wholesale and retail sellers of fish, and NOAA Fisheries observers on coastal trawl boats.
Preliminary Assessment Of Nonpoint Source Fecal Coliform Loading And Flushing Capability In The Back Bay, Virginia, Mac Sisson, Harry V. Wang, Jian Shen, Tao Shen
Preliminary Assessment Of Nonpoint Source Fecal Coliform Loading And Flushing Capability In The Back Bay, Virginia, Mac Sisson, Harry V. Wang, Jian Shen, Tao Shen
Reports
No abstract provided.