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Articles 1 - 30 of 121
Full-Text Articles in Aquaculture and Fisheries
Estimation Of Relative Abundance Of Recreationally Important Juvenile Finfish In The Virginia Portion Of Chesapeake Bay Project Rfol-3 July 2001 - June 2002, Marcel M. Montaine, Herbert M. Austin, Patrick J. Geer, Wendy A. Lowery
Estimation Of Relative Abundance Of Recreationally Important Juvenile Finfish In The Virginia Portion Of Chesapeake Bay Project Rfol-3 July 2001 - June 2002, Marcel M. Montaine, Herbert M. Austin, Patrick J. Geer, Wendy A. Lowery
Reports
No abstract provided.
Evaluation Of Striped Bass Stocks In Virginia, Monitoring And Tagging Studies, 1999-2003 Annual Report, 1 September 2001 - 31 October 2002, Philip W. Sadler, Robert J. Latour, Robert E. Harris, Kristin L. Maki, John E. Olney
Evaluation Of Striped Bass Stocks In Virginia, Monitoring And Tagging Studies, 1999-2003 Annual Report, 1 September 2001 - 31 October 2002, Philip W. Sadler, Robert J. Latour, Robert E. Harris, Kristin L. Maki, John E. Olney
Reports
This report presents the results of striped bass (Marone saxatilis) tagging and monitoring activities in Virginia during the penod 1 September 2001 through 31 October 2002. It includes an assessment of the biological characteristics of striped bass taken from the 2002 spring spawning run, estimates of annual survtval based on annual spring tagging, and the results of the fall 2001 directed mortality study that is cooperative with the Maryland Department of Natural Resources. 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 striped bass …
An Examination Of Predatory Pressures On Piping Plovers Nesting At Breezy Point, New York, Brook Lauro, John Tanacredi Ph.D.
An Examination Of Predatory Pressures On Piping Plovers Nesting At Breezy Point, New York, Brook Lauro, John Tanacredi Ph.D.
Faculty Works: CERCOM
This study examines predatory threats to Piping Plovers (Charadrius melodus) nesting at Breezy Point, Gateway National Recreation Area, New York. Several methods used include: 1) an evaluation of reproductive success data with documentation of predation to eggs and chicks, 2) predator surveys, and 3) an artificial nest study. The range of breeding pairs nesting from 1988-1996 was 11-19, with an average of 15.8 (SE ± 0.79) pairs/season. The average number of eggs hatched and chicks fledged per year for pairs was 2.2 ± 0.23 and 0.8 ± 0.16 respectively. Reasons for egg losses often went undetected (68%) but …
Continuous In Vitro Culture Of The Carpet Shell Clam Tapes Decussatus Protozoan Parasite Perkinsus Atlanticus, Sm Casas, Jf La Peyre, Kimberly S. Reece, C Azevedo, A Villalba
Continuous In Vitro Culture Of The Carpet Shell Clam Tapes Decussatus Protozoan Parasite Perkinsus Atlanticus, Sm Casas, Jf La Peyre, Kimberly S. Reece, C Azevedo, A Villalba
VIMS Articles
Continuous in vitro cultures of the clam Tapes decussatus parasite Perkinsus atlanticus were established from infected gill fragments, infected haemolymph and parasite hypnospores isolated from infected gill fragments following incubation in Ray's fluid thioglycollate medium (RFTM). No continuous cultures could be initiated from P. atlanticus zoospores. Cultures initiated from hypnospores yielded the highest percentage of continuous cultures (100%, 6/6), followed by cultures initiated from gill fragments (93%, 43/46) and from haemolymph (30%, 3/10). Failures to establish continuous cultures were due to microbial contamination, The source of parasite influenced the success rate, the time taken to establish cultures and the size …
Two Bioeconomic Studies On Haddock Culture: Live Feed And Juvenile Production, Kate M. Waning
Two Bioeconomic Studies On Haddock Culture: Live Feed And Juvenile Production, Kate M. Waning
Electronic Theses and Dissertations
The State of Maine is reliant upon its natural resources. Wild catches of marine finfish, especially ground fish such as cod and haddock, are declining. In addition, several new restrictions have been placed on the culture of Atlantic salmon due to its listing under the Endangered Species Act. These issues serve as an impetus to explore the development of alternative species for cold-water marine aquaculture. This research focuses on early haddock culture. The two areas where haddock culture varies from production of other species are the need for live feeds and proximity to seawater. Unlike salmon, haddock spend their entire …
The Effect Of Temperature On The Development, Growth And Survival Of Atlantic Cod (Gadus Morhua) During Early Life-Histories, Adrian Jordaan
The Effect Of Temperature On The Development, Growth And Survival Of Atlantic Cod (Gadus Morhua) During Early Life-Histories, Adrian Jordaan
Electronic Theses and Dissertations
For poikilothennic animals, and in particular those that inhabit aquatic habitats, temperature has a significant effect on all life processes. The purpose of this research was to investigate the contribution of temperature on embryonic development and survival and its effect on vital rates. Of particular interest was what aspect(s) of egg and larval life-histories are most affected by temperature and what consequence temperature effects may have on cumulative mortality. Three batches of Atlantic cod (Gadus morhua) eggs were acquired from a Newfoundland source of adult broodstock held at 4555°C. The eggs were divided andacclimated to four constant temperature regimes at …
Evaluation Of Three Potential Methods For Preventing The Spread Of The Salmon Louse, Lepeophtheirus Salmonis (Kreyer, 1837), Micheal Pietrak
Evaluation Of Three Potential Methods For Preventing The Spread Of The Salmon Louse, Lepeophtheirus Salmonis (Kreyer, 1837), Micheal Pietrak
Electronic Theses and Dissertations
Lepeophtheirus salmonis or salmon lice infections are one of the most prevalent parasitic infections in the salmon aquaculture industry. Salmon lice cause an estimated loss of 3% of the production of Maine's salmon industry annually. Within the State of Maine only a portion of the farm sites experience salmon lice infections on an annual basis, while some sites have never had infections of Lepeophtheirus salmonis. Because of the potential impact that salmon lice infections could mean to those areas that to date have been fiee of L. salmonis infections, there has been concern both on the part of the State …
A New Apex Predator In The Gulf Of Maine? Large, Mobile Crabs (Cancer Borealis) Control Benthic Community Structure, Amanda V. Leland
A New Apex Predator In The Gulf Of Maine? Large, Mobile Crabs (Cancer Borealis) Control Benthic Community Structure, Amanda V. Leland
Electronic Theses and Dissertations
Apex predators can control community structure by preying on strongly interacting species at lower trophic levels. Fishing of apex predators in the marine realm often results in herbivore dominated systems. In the Gulf of Maine, coastal subtidal communities became dominated by grazing green sea urchins (Strongylocentrotus droehachiensis) following the extirpation of large, predatory groundfish from coastal zones. Subsequent depletion of sea urchins since the late 1980s functionally eliminated this dominant herbivore from vast regions. Sea urchin recruitment is low or nonexistent in communities dominated by fleshy algae that have developed since the decline of sea urchin populations. We hypothesized that …
Modeling The Role Of No-Take Marine Reserves In Fisheries Management, Deidre F. Gilbert
Modeling The Role Of No-Take Marine Reserves In Fisheries Management, Deidre F. Gilbert
Electronic Theses and Dissertations
In recent years there has been increasing interest in the potential of no-take marine reserves to benefit fisheries management. Scientific reviews have shown that reserves often lead to substantial increases in the density, biomass, size and diversity of marine fishes inside their boundaries. However, little empirical work has been done to determine the effect of reserves on the fisheries outside their boundaries, such as potential changes in yield, size of fleet, or variability in catch. In order to explore the interaction between the biological growth and dispersion processes of the harvested stock and the changing economic incentives of harvesters created …
Ocean Zoning For The Gulf Of Maine: A Background Paper, Fara Courtney, Jack Wiggin
Ocean Zoning For The Gulf Of Maine: A Background Paper, Fara Courtney, Jack Wiggin
Urban Harbors Institute Publications
Coastal and ocean management is a constantly evolving practice. For at least two decades, coastal communities around the world have been experimenting with new ways to control a multitude of activities in their urban and rural harbors. The number and diversity of Marine Protected Areas are growing, with an increasing focus on protecting integrated biological communities, rather than individual species of concern. The United States and Canada are each developing new, comprehensive ocean polices, looking to better integrate management functions at all levels of government.
All of these initiatives – from local to national - reflect some common truths about …
Assessing Larval American Shad Growth And Survival With In Situ Mesocosm Experiments In Three Differing Habitats Within A Coastal Estuary, Donna Marie Bilkovic, David Stanhope, Carl Hershner
Assessing Larval American Shad Growth And Survival With In Situ Mesocosm Experiments In Three Differing Habitats Within A Coastal Estuary, Donna Marie Bilkovic, David Stanhope, Carl Hershner
Reports
Habitat can be defined as the place where the organism lives including all its physical, chemical and biological dimensions (Odum 1971; Hoss and Thayer 1993). These dimensions include water quality, physical structure, flow regime and biotic interaction. Essential fish habitat (EFH) is further defined as “those waters and substrate necessary to fish for spawning, breeding, feeding, or growth to maturity” (Magnuson-Stevens Act, 16 U.S.C. 1801 et seq.) With new mandates to identify and protect EFH for all species managed under fisheries management plans, evaluation of fish habitat has become a priority. The methods used to identify and define essential fish …
Interim Management Arrangements For The Commercial Mackerel Fishery. Ministers Responses To The Final Report Of The Mackerel Independent Advisory Panel. (Fisheries Management Paper 164), Kim Chance
Fisheries management papers
The Government recognises that the mackerel fishery is important to both the recreational and commercial fishing sectors. However, the purpose of these arrangements is not to allocate the mackerel resource between the sectors but within the commercial sector. Resources sharing issues are subject to investigation in the Integrated Fisheries Management Review where alternative management frameworks and principles for allocating fish stocks to ensure maximum benefit to the community are examined.
Report Of The Mackerel Independent Advisory Panel To The Executive Director, Department Of Fisheries Criteria For Access And Management Arrangements For The Proposed Interim Managed Mackerel Fishery, Department Of Fisheries
Report Of The Mackerel Independent Advisory Panel To The Executive Director, Department Of Fisheries Criteria For Access And Management Arrangements For The Proposed Interim Managed Mackerel Fishery, Department Of Fisheries
Fisheries management papers
Broadly speaking the Panel have recommended a propertional access system of access to the fishery, together with an Individual Transferable Quotas (TFQs) with mininum quota holding management arrangements.
Report To The Minister For Agriculture, Forestry And Fisheries By The Integrated Fisheries Management Review Committee, Department Of Fisheries
Report To The Minister For Agriculture, Forestry And Fisheries By The Integrated Fisheries Management Review Committee, Department Of Fisheries
Fisheries management papers
The Integrated Fisheries Management Review Committee was established to develop a strategy to integrate the management and sustainable use of fish resources. The Committee’s report proposes an alternative management framework and a set of guiding principles for allocating fish stocks to ensure optimal benefits are realised for the WA community. The report does not, and was not intended to, address specific allocation issues in particular fisheries – this will be a function of the framework and processes put in place following this review.
Workshop On Sustainable Development Of Marine Fish Farming In Wa, Peter Rogers, R Fletcher
Workshop On Sustainable Development Of Marine Fish Farming In Wa, Peter Rogers, R Fletcher
Fisheries management papers
The purpose of this paper is twofold. First to provide an overview of the role of government and more particularly the Department of Fisheries and second to outline government expectations for aquaculture development agencies in the implementation of sustainable development initiatives and the effect this could have on the management of aquaculture within WA.
Predators And Life Histories Shape Lestes Damselfly Assemblages Along A Freshwater Habitat Gradient, Robby Stoks, Mark A. Mcpeek
Predators And Life Histories Shape Lestes Damselfly Assemblages Along A Freshwater Habitat Gradient, Robby Stoks, Mark A. Mcpeek
Dartmouth Scholarship
Survey data from New England showed that assemblages of Lestes dam- selflies are organized along the entire gradient of pond permanence and predator presence. One assemblage occupies vernal ponds lacking large dragonfly predators and fish; four are largely confined to temporary ponds that typically contain dragonfly predators; one dom- inates fishless permanent ponds and lakes where dragonflies are the top predators; and one dominates permanent ponds and lakes where fish are the top predators. We determined the role of life history and predation in maintaining this striking pattern by conducting a series of transplant experiments in the field and a …
Marine Resource Bulletin Vol. 34, No. 2, Virginia Sea Grant, Virginia Institute Of Marine Science
Marine Resource Bulletin Vol. 34, No. 2, Virginia Sea Grant, Virginia Institute Of Marine Science
Virginia Marine Resource Bulletin
In This Issue
Providing Sanctuary to An Old Friend By Dr. Romuald Lipcius & Jacques van Montfrans
Making a Case for the Oyster: Putting Ecological Benefits into Economic Terms By Thomas J. Murray When it Comes to Wild Ponies, Legends and Lore Abound By Charlie Petrocci
’Tis the Season for a Storm Surge By Dr. Carl H. Hobbs, III
Using Aquaculture to Slay the SOLs By Angela
Correa Bay Sites are Magnets for Cobia and Flounder By Jon Lucy
News from the Point
Review Of Recreational Take Of Coral In Western Australia. A Discussion Paper., Department Of Fisheries
Review Of Recreational Take Of Coral In Western Australia. A Discussion Paper., Department Of Fisheries
Fisheries management papers
This discussion paper has been prepared by the Department of Fisheries (Western Australia) to address the issue of recreational collection of coral in coastal waters of Western Australia. The paper describes: • popular coral locations in WA; • management issues associated with the recreational collection of corals; • management objectives and strategies as possible options to address the issue of recreational collection of corals; and • seeks public input on the proposed management objectives and strategies.
The Crest, Fall 2002, Virginia Institute Of Marine Science
The Crest, Fall 2002, Virginia Institute Of Marine Science
Reports
Table of Contents:
- VIMS researchers win 5-year, $1.7 million NSF award
- Pair complete 3-year study of clam disease
- VIMS joins National Shark Research Consortium
- McNinch receives Young Investigator award
- Field research sheds light on barndoor skate
- Management is key to scallop fishery's success
- VIMS acquires new code for model
- Yes vote on bond referendum good news for VIMS
- CBNERR announces Summer 2003 educational programs
- Workshop series targets charter boat operators
- Ducklow elected AAAS Fellow
- VIMS takes to the air(port)
- VIMS scientists to host international conferences
- Web update
- VIMS researchers in educational videos
- Hoenig writes "hot paper"
- VIMS and partners win …
Molecular Diagnostics, Field Validation, And Phylogenetic Analysis Of Quahog Parasite Unknown (Qpx), A Pathogen Of The Hard Clam Mercenaria Mercenaria, Na Stokes, Lm Ragone Calvo, Kimberly S. Reece, Em Burreson
Molecular Diagnostics, Field Validation, And Phylogenetic Analysis Of Quahog Parasite Unknown (Qpx), A Pathogen Of The Hard Clam Mercenaria Mercenaria, Na Stokes, Lm Ragone Calvo, Kimberly S. Reece, Em Burreson
VIMS Articles
Quahog Parasite Unknown (QPX) is a protistan parasite that causes disease and mortality in the hard clam Mercenaria mercenaria. PCR primers and DNA oligonucleotide probes were designed and evaluated for sensitivity and specificity for the QPX organism specifically and for the phylum Labyrinthulomycota in general. The best performing QPX-specific primer pair amplified a 665 bp region of the QPX small-subunit ribosomal DNA (SSU rDNA) and detected as little as 1 fg cloned QPX SSU rDNA and 20 fg QPX genomic DNA. The primers did not amplify DNA of uninfected hard clams M. mercenaria or of the thraustochytrids Schizochytrium aggregatum, Thraustochytrium …
Evaluating The Recruitment Of American Eel, Anguilla Rostrata, To The Potomac - Spring 2002 : February 2002 - June 2002, Hank Brooks, M. Todd Mathes, Marcel M. Montane
Evaluating The Recruitment Of American Eel, Anguilla Rostrata, To The Potomac - Spring 2002 : February 2002 - June 2002, Hank Brooks, M. Todd Mathes, Marcel M. Montane
Reports
Measures of juvenile recruitment success have long been recognized as valuable fisheries management tools. In Chesapeake Bay, these measures provide reliable indicators for future year class strength for blue crabs (Lipcius and Van Engel, 1990), striped bass (Goodyear, 1985), as well as several other recreationally and commercially important species (Geer and Austin, 1999).
The American Eel, Anguilla rostrata, is a valuable commercial species along the entire Atlantic coast from New Brunswick to Florida. Landings along the U.S. Atlantic coast have varied from 290 MT in 1962 to a high of 1600 MT in 1975 (NMFS, 1999). In recent years, harvests …
Mycobacteriosis In Striped Bass Of The Chesapeake Bay: Expansion Of Studies Emphasizing Cultural And Rapid Molecular Diagnostic Methods To Evaluate Disease Prevalence: A Final Report, Ilsa Kaattari, Martha Rhodes Rhodes, Howard Kator
Mycobacteriosis In Striped Bass Of The Chesapeake Bay: Expansion Of Studies Emphasizing Cultural And Rapid Molecular Diagnostic Methods To Evaluate Disease Prevalence: A Final Report, Ilsa Kaattari, Martha Rhodes Rhodes, Howard Kator
Reports
During 1997-99, the Aquatic Animal Disease Diagnostic Laboratory (AADDL) at the Virginia Institute of Marine Science (VIMS) investigated and documented an epizootic of disease in wild striped bass, Morone saxatilis, from many portions of the lower Chesapeake Bay. Some of these fish exhibited an ulcerative dermatitis initially suspected of being caused by Pfiesteria piscicida, a dinoflagellate. Skin ulcers ranged from pinpoint, pigmented spots to large, shallow hemorrhagic (bloody) wounds. This disease was determined to be due not to Pfiesteria, but to a group of bacteria called Mycobacterium spp. This disease syndrome is referred to as mycobacteriosis. Further investigations by VIMS …
A Study Of The River Origin Of American Shad Captured In The Atlantic Ocean Intercept Fishery In Virginia : Final Report, 2001, Kristin L. Maki, John E. Olney, John M. Hoenig
A Study Of The River Origin Of American Shad Captured In The Atlantic Ocean Intercept Fishery In Virginia : Final Report, 2001, Kristin L. Maki, John E. Olney, John M. Hoenig
Reports
The Virginia Department of Game and Inland Fisheries (VDGIF) has been releasing larval American shad into the James and York river systems since 1993 and these fish are given river-specific marks before release. Our in-river monitoring program had established that we could estimate the proportion of fish returning to spawn in the rivers that have hatchery marks. Furthermore, we were able to obtain a sample of 200 fish from the intercept fishery off Chincoteague Island, Virginia, in 2000 and screening of the otoliths by VDGIF personnel revealed the presence of one fish with a James River hatchery mark and one …
Estimating Population Parameters Of American Shad In The York River, Virginia : Final Report, 2001, K. L. Maki, J. E. Olney, J. M. Hoenig
Estimating Population Parameters Of American Shad In The York River, Virginia : Final Report, 2001, K. L. Maki, J. E. Olney, J. M. Hoenig
Reports
No abstract provided.
Reseeding Of Grazing Gastropods And Bivalves Into The Marine Environment In Western Australia, Jane Borg
Reseeding Of Grazing Gastropods And Bivalves Into The Marine Environment In Western Australia, Jane Borg
Fisheries management papers
The Department of Fisheries does not want to embark on what is ‘new territory’ in Western Australia without a policy framework to define what is to happen, why it is to happen, and what will happen if the project does or does not succeed. This paper therefore attempts to do three things. 1. It sets in place accepted definitions of reseeding and stock enhancement within the general context of fisheries management in Western Australia. 2. It discusses the policy issues associated with reseeding grazing gastropods and bivalves into the natural environment. 3. It proposes a framework or process to be …
A Pilot Study To Test Ventless Traps As A Means To Quantify Populations Of The American Lobster (Homarus Americanus), Carin Louise Poeschel
A Pilot Study To Test Ventless Traps As A Means To Quantify Populations Of The American Lobster (Homarus Americanus), Carin Louise Poeschel
Electronic Theses and Dissertations
The American lobster, Homarus americanus, is Maine's most valuable marine fishery. The state of Maine has an economic interest in the protection of this resource. The health of this industry depends on effective management for sustainability. However, there is little quantitative information on American lobsters less than harvestable size. A study was conducted to evaluate the utility of traps modified to catch sublegal lobsters. With the aid of fishernlen fiom six of the eight Maine coastal counties over a four-month time period (July through October, 2000), data were recorded to compare catch rates in experimental traps with no escape vents …
Relationships Between Stream Geomorphology And Fish Community Structure And Diversity In Maine, Emily Gaenzle
Relationships Between Stream Geomorphology And Fish Community Structure And Diversity In Maine, Emily Gaenzle
Electronic Theses and Dissertations
Predicting patterns in species distribution and abundance for resource management and conservation is a major focus of applied ecology. The primary objective of this study was to determine if there is a predictable relationship between stream geomorphology and fish community structure, native species richness, and native salmonid abundance in Maine. Specifically, I examined relationships between fish assemblages and geomorphic stream types, as delineated by the Rosgen classification system (Rosgen 1996). Fifty-three stream reaches in Maine were classified, and fish communities within the reaches were characterized using backpack electrofishing. Species richness was lowest in A-type streams (i.e., steep, entrenched, confined), which …
An Examination Of The Georges River Clam Management Program, Kristin E. Togue Brawn
An Examination Of The Georges River Clam Management Program, Kristin E. Togue Brawn
Electronic Theses and Dissertations
This thesis examines the Georges River Clam Management Program, a multi-town interlocal harvesting and management plan in mid-coast Maine. It discusses relevant economic and communal action theory, and examines their application to the development of the program. Chapter 1 reviews the purposes and methods of the study. Chapter 2 reviews the relevant clam biology necessary to understand the principles of soft-shell clam management. Chapters 3 and 4 provide the history and background of clam harvesting and management in Maine. Chapter 5 discusses the Georges River Program, including the factors that led to its development and the details of its organization …
Virginia Oyster Reef Restoration Map Atlas, Marcia Berman, Sharon Killeen, Roger L. Mann, J. A. Wesson
Virginia Oyster Reef Restoration Map Atlas, Marcia Berman, Sharon Killeen, Roger L. Mann, J. A. Wesson
Reports
The maps are generated to illustrate the results of the targeting effort following the protocol described above. The authors recognize this level of targeting does not preclude the need for field inspection at potential sites prior to reef construction. The atlas is comprised of a series of boxes preceded by an index locator. The scale of each box may vary. The potential restoration areas are illustrated in red. The legend reports the total acres available for restoration within the boundary of each box. At this time, the size of individual restoration sites can only be retrieved using the digital data …
Qpx Susceptibility In Hard Clams Varies With Geographic Origin Of Brood Stock, Lisa M. Ragone Calvo, Eugene Burreson
Qpx Susceptibility In Hard Clams Varies With Geographic Origin Of Brood Stock, Lisa M. Ragone Calvo, Eugene Burreson
Reports
T he results of recent investigations by VIMS and collaborating scientists in Massachusetts and New Jersey indicate that clam strains produced from brood stocks of South Carolina and Florida origin are more susceptible to QPX (Quahog Parasite Unknown) disease than clam strains originating from Virginia, New Jersey, and Massachusetts brood stocks. During a 3-year study clam strains produced at VIMS from brood stocks originating from Massachusetts, New Jersey, Virginia, South Carolina, and Florida were grown at sites in Massachusetts, New Jersey and Virginia and evaluated for survival, growth, condition and QPX disease susceptibility. The clams originating from South Carolina and …