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Articles 1 - 30 of 64
Full-Text Articles in Aquaculture and Fisheries
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 …
Development Of Semi-Intensive Aquaculture Technologies In Honduras: Summary Of Freshwater Aquacultural Research Conducted From 1983-1992, Bartholomew Green, David Teichert-Coddington, Terrill Hanson
Development Of Semi-Intensive Aquaculture Technologies In Honduras: Summary Of Freshwater Aquacultural Research Conducted From 1983-1992, Bartholomew Green, David Teichert-Coddington, Terrill Hanson
United States Department of Agriculture-Agricultural Research Service / University of Nebraska-Lincoln: Faculty Publications
Aquacultural research has been conducted collaboratively in Honduras since 1983 by the International Center for Aquaculture and Aquatic Environments, Auburn University, and the Direccion General de Pesca y Acuicultura, Secretaria de Recursos Naturales. This research was carried out at the El Carao National Fish Culture Research Center, Comayagua, Honduras, under the auspices of the USAID-financed Pond Dynamics/Aquaculture Collaborative Research Support Program (PD/A CRSP). The goal of the PD/A CRSP is to increase tilapia yields by optimizing resource use in systems based predominantly on natural pond productivity.
The Warnbro Sound Crab Fishery Draft Management Plan., Fiona Crowe
The Warnbro Sound Crab Fishery Draft Management Plan., Fiona Crowe
Fisheries management papers
In recent years fishing effort for the blue summer/manna crabs (Portunus pelagicus) in Warnbro Sound has increased dramatically and concerns have been raised about the state of stocks of crabs in Warnbro Sound. As a result of the increased pressure being put on the limited resource, the relationship between professional and recreational user groups has become sensitive. It is therefore appropriate that measures ensure the responsible management of the Warnbro Sound Crab Fishery be introduced. Gear, bag limit and size restrictions on the taking of blue swimmer crabs by recreational fishermen already exists as part of the the overall recreational …
Shark Bay World Heritage Area Draft Management Plan For Fish Resources, Fisheries Department Of Western Australia
Shark Bay World Heritage Area Draft Management Plan For Fish Resources, Fisheries Department Of Western Australia
Fisheries management papers
Shark Bay was inscribed on the World Heritage List in December 1991 on the basis of its natural values. The Department of Conservation and Land Management (CALM) is the management agency with responsibility for the oversight and development of management plans dealing with both the marine and terrestrial aspects of the World Heritage Area. This Draft plan deals with the management of fish resources in the Shark Bay World Heritage Area which are the responsibility of the Fisheries Department of Western Australia.
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 …
Rock Lobster Industry Advisory Commitee Chairman's Report, October 1994 - The Western Rock Lobster Fishery - Management Proposals For The 1994/95 And 1995/96 Seasons, Rock Lobster Industry Advisory Committee, Peter Rogers
Rock Lobster Industry Advisory Commitee Chairman's Report, October 1994 - The Western Rock Lobster Fishery - Management Proposals For The 1994/95 And 1995/96 Seasons, Rock Lobster Industry Advisory Committee, Peter Rogers
Fisheries management papers
The failures of past restrictions on fishing effort to fully halt the decline of the breeding stock led to the formation of a sub-committee of the Rock Lobster Industry Advisory Committee. The prime objective of the sub-committee is to evaluate effective long term strategies for managing the fishery so that breeding stock is maintained at an adequate level despite the inevitable increases in catching efficiency. The purpose of this report is firstly to advise industry of the management proposals for the 1994/95 seasons and secondly to form a basis for industry consultation on management arrangements for the 1995/96 season.
Long Term Management Strategies For The Western Rock Lobster Fishery (4 Volumes) - Law Enforcement Considerations (Volume 4), Neil Mclaughlan
Long Term Management Strategies For The Western Rock Lobster Fishery (4 Volumes) - Law Enforcement Considerations (Volume 4), Neil Mclaughlan
Fisheries management papers
This report has been prepared for the consideration of the RLIAC Sub Committee in consultation with members of the Sub Committee working group on law enforcement and with senior staff of the Operations Division of the Fisheries Department. It is focussed exclusively on law enforcement issues associated with the management options for the West Australian west coast rock lobster fishery which were under consideration by the Sub Committee at the time of report preparation and should be read in conjunction with Fisheries Management Paper No. 67 entitled "Evaluation of management options" which covers the broader industry management issues. This report …
Long Term Management Strategies For The Western Rock Lobster Industry (4 Volumes) - Economic Efficiency Of Alternative Input And Output Based Management Systems In The Western Rock Lobster Fishery (Volume 2), Bob Lindner
Fisheries management papers
Since 1965, the Western Rock Lobster Fishery has been managed by what is essentially a license limitation scheme invoiving restricted entry for boats, and strict controls on the aggregate number of pots which can be used by the commercial fishing sector. By most measures, management of this fishery has been highly successful. Biological over-exploitation of the fish stock has been prevented, at least until recently. Notwithstanding these achievements, there is widespread concern that the future profitability, and even the viability of the industry is under threat unless the current management practices are reformed. Because of the complexity and intrinsic uncertainty …
Long Term Management Strategies For The Western Rock Lobster Fishery (4 Volumes) - A Market-Based Economic Assessment For The Western Rock Lobster Industry (May 1994) (Volume 3), Marec Pty Ltd
Fisheries management papers
In October 1992 a special Sub-Committee of the Rock Lobster Industry Advisory Committee was set up to consider and evaluate future management strategies for the rock lobster fishery. Pursuant to this the Director of Fisheries commissioned a marketing study that is the basis of this report. This study was commenced in early October 1993 and completed in May 1994. This study looked at the market implications of fishery's management strategies. In particular it assesses how the existing management structure limits the potential for the lobster industry to maximise the financial return, and in doing so provides an insight into the …
Long Term Management Strategies For The Western Rock Lobster (4 Volumes) - Evaluation Of Management Options (Volume 1), B. K. Bowen, Rock Lobster Industry Advisory Committee
Long Term Management Strategies For The Western Rock Lobster (4 Volumes) - Evaluation Of Management Options (Volume 1), B. K. Bowen, Rock Lobster Industry Advisory Committee
Fisheries management papers
This report has been written following approval by the Minister for Fisheries of a recommendation by the Rock LObster Industry Advisory Committee that a major evaluation of future management options for the western rock lobster fishery be undertaken. The report provides background information on the management strategies and principles of the fishery, its stock status, the use of input and output controls and the size of the fishing fleet. The report concludes with an examination of the effect of maintaining effort (input) controls and moving to a system of variable effort (TAE/ITEs) or moving to direct (output) controls on the …
Future Of Management Of Recreational Gill, Haul, And Cast Netting In Western Australia And Summary Of Submissions To The Netting Review, F. B. Prokop, L. M. Adams
Future Of Management Of Recreational Gill, Haul, And Cast Netting In Western Australia And Summary Of Submissions To The Netting Review, F. B. Prokop, L. M. Adams
Fisheries management papers
The results of a major review into recreational gill and haul netting in Western Australia were announced by the Minister for Fisheries, Hon. Monty House MLA on 24 December 1993. This document presents the findings of the recreational netting review and the process which resulted in the announced changed to management practices.
Description Of A New Blood-Fluke, Cruoricola Lates N. G., N. Sp. (Digenea: Sanguinicolidae), From Sea-Bass Lates Calcarifer (Bloch, 1790) (Centropomidae), Brett W. Herbert, Faizah M. Shaharom-Harrison, Robin M. Overstreet
Description Of A New Blood-Fluke, Cruoricola Lates N. G., N. Sp. (Digenea: Sanguinicolidae), From Sea-Bass Lates Calcarifer (Bloch, 1790) (Centropomidae), Brett W. Herbert, Faizah M. Shaharom-Harrison, Robin M. Overstreet
Harold W. Manter Laboratory of Parasitology: Faculty and Staff Publications
A new blood-fluke, Cruoricola lates n. g., n. sp., is described from sea-bass Lates calcarifer cultured in Malaysia. It is also found in Thailand and Australia. All fish examined over 15 cm in length were infected in the type-locality. This sanguinicolid is differentiated from other genera by the spherical seminal vesicle; the large, single testis extending beyond the intestinal caeca; the medial, bi-lobed ovary; and the single column of submarginal, laterally directed, evenly spaced spines. It has separate genital pores which are close together. Adults are found predominantly in the mesenteric venules of the venous circulation. Juveniles are commonest in …
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 …
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, …
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.
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 …
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.
Management Of The Marine Aquarium Fish Fishery, Jonathon Barrington
Management Of The Marine Aquarium Fish Fishery, Jonathon Barrington
Fisheries management papers
This Fisheries Management Paper outlines the management arrangements for the Marine Aquarium Fish Fishery that operates in State waters adjacent to Western Australia. These arrangements augment the previous management arrangements for the fishery of 1992 and supersede those arrangements. A limited entry fishery will be established for marine aquarium fish collecting. The other management arrangements are outlined in detail in the paper.
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.
Management Arrangements For Specimen Shell Collection In Western Australia, Jonathon Barrington
Management Arrangements For Specimen Shell Collection In Western Australia, Jonathon Barrington
Fisheries management papers
This Fisheries Management Report outlines the management arrangements in respect of specimen shell collection in Western Australia. It includes a management plan for the Western Australian Specimen Shell Collection Fishery and management arrangements for recreational specimen shell collection.
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 …
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 …
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).
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.
Liver Lesions In Winter Flounder (Pseudopleuronectes Americanus) From Jamaica Bay, New York: Indications Of Environmental Degradation, Thomas P. Augspurger, Roger L. Herman, Jeff S. Hatfield, John T. Tanacredi Ph.D.
Liver Lesions In Winter Flounder (Pseudopleuronectes Americanus) From Jamaica Bay, New York: Indications Of Environmental Degradation, Thomas P. Augspurger, Roger L. Herman, Jeff S. Hatfield, John T. Tanacredi Ph.D.
Faculty Works: CERCOM
Liver sections of winter flounder (Pseudopleuronectes americanus) collected from Jamaica Bay and Shinnecock Bay, New York, in 1989, were examined microscopically to determine the pervasiveness of liver lesions observed previously in Jamaica Bay winter flounder. Neoplastic lesions were not detected in fish from Jamaica Bay or the Shinnecock Bay reference site. Twenty-two percent of Jamaica Bay winter flounder examined (n=103) had unusual vacuolization of hepatocytes and biliary pre-ductal and ductal cells (referred to hereafter as the vacuolated cell lesion). The lesion, identical to that found in 25% of Jamaica Bay winter flounder examined in 1988, has previously been …
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 …
Juvenile Finfish And Blue Crab Stock Assessment Program Bottom Trawl Survey Annual Data Summary Report Series Volume 1986, 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 1986, Michael F. Land, Patrick J. Geer, Christopher F. Bonzek, Herbert M. Austin
Reports
This report summarizes data collected by the Virginia Institute of Marine Science (VIMS) monthly trawl survey cruises for January-December 1986. The trawl survey is a long term, broad scope monitoring program. Its present primary goal is to produce annual indices of juvenile (young-of-year) abundance of commercially, recreationally and ecologically important marine and estuarine finfish and crustaceans. The objective is to provide indices of sufficient accuracy and precision for both immediate resource management needs and long-term understanding of environmental influences of fishery resources. A second important product of this effort is the documentation and monitoring of habitat utilization by juveniles and …