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1980

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Articles 61 - 72 of 72

Full-Text Articles in Aquaculture and Fisheries

Fishing Gear Statistics Of Virginia 1929-1977, W. J. Hoagman, J. C. Siefert Jan 1980

Fishing Gear Statistics Of Virginia 1929-1977, W. J. Hoagman, J. C. Siefert

Reports

The commercial fishery of Virginia uses over 30 gear types to capture the species in this report. We have selected 19 gears for illustration and description, and 10 species for detailed analysis. The species selected for analysis were chosen from the list of 18 presented in Hoagman and Rathbone (1980) which provided landings and value information Statewide and for the James, York, and Rappahannock Rivers 1955- 77. The gear statistics provided here cover 1929-77, but the rivers are not treated separately \ The river data has been incorporated into the statistics reported a Virginia Totals and Averages. The National Marine …


Index Of Juvenile Striped Bass, White Perch, And Alosine Fishes In The Rappahannock River Following The March 1980 Oil Spill, William H. Kriete Jr. Jan 1980

Index Of Juvenile Striped Bass, White Perch, And Alosine Fishes In The Rappahannock River Following The March 1980 Oil Spill, William H. Kriete Jr.

Reports

A ruptured pipeline caused a large spill of petroleum products above Fredericksburg, VA on March 6, 1980. Much of the oil was recovered; however, a portion of the contaminant eventually reached the Rappahannock River. The significance of the spill was magnified because it occurred during spawning of anadromous and other commerically important fishes.

A study following the spill was conducted by the Virginia Institute of Marine Science (VIMS) in the summer of 1980 in the upper Rappahannock River. The objectives as stated in the proposal were to (1) determine an index of abundance for juvenile striped bass (Morone saxatilis), alewife …


The Virginian Sea Bibliography, Thomas M. Armitage, William J. Hargis Jr. Jan 1980

The Virginian Sea Bibliography, Thomas M. Armitage, William J. Hargis Jr.

Reports

The bibliography of the Virginian Sea is a compendium of literature and environmental data concerning the Middle Atlantic Bight region of the Western North Atlantic - or the United States east coast. The geographical coverage of this bibliography ineludes that region extending from 41° N latitude to 36° N latitude and out 200 miles from the coastal headlands. This volume represents the first step of an effort undertaken by the Virginia Institute of Marine Science to assess the present status of knowledge concerning the physical and chemical environment, biology, and fisheries of the Virginian Sea. We do not put forth …


A Study Of Some Public Rocks In The Lower Rappahannock River Below Towles Point, Dexter S. Haven Jan 1980

A Study Of Some Public Rocks In The Lower Rappahannock River Below Towles Point, Dexter S. Haven

Reports

No abstract provided.


Estimate Of The Total Weight Of Kepone In The Major Components Of The Molluscan Fauna Of The James River, Virginia, Dexter S. Haven, Reinaldo Morales-Alamo Jan 1980

Estimate Of The Total Weight Of Kepone In The Major Components Of The Molluscan Fauna Of The James River, Virginia, Dexter S. Haven, Reinaldo Morales-Alamo

Reports

Contamination of the James River in Virgin ia with the pesticide Kepone has resulted in its accumulation in the tissues of the fauna inhabiting the river. Most of the Kepone available to the biota in the river is associated with sediment s (Schneider and Dawson, 1978) and Haven and Morales-Alamo (1979) have shown that oysters and other bivalve molluscs accumulate Kepone in their tissues when exposed to the pesticide associated with sediments in suspension. It is of interest to compare the quantities of Kepone bound in James River sediments with the quantities bound in the molluscan fauna of the river.


Perkinsus Marinus = Dermocystidium Marinum ("Dermo") In Virginia, 1950-1980 : A Record Of Fluid Thioglycollate Tests For Dermo In Oysters From Public And Private Oyster Beds, And From Trays Of Disease-Free Oysters Transplanted To Areas Where Msx And Dermo Are Endemic, Jay D. Andrews Jan 1980

Perkinsus Marinus = Dermocystidium Marinum ("Dermo") In Virginia, 1950-1980 : A Record Of Fluid Thioglycollate Tests For Dermo In Oysters From Public And Private Oyster Beds, And From Trays Of Disease-Free Oysters Transplanted To Areas Where Msx And Dermo Are Endemic, Jay D. Andrews

Reports

No abstract provided.


Population Dynamics Of Atlantic Coast Striped Bass, Morone Saxatilis : Recommendations For Management Strategy And Monitoring And Research Programs, Herbert M. Austin Jan 1980

Population Dynamics Of Atlantic Coast Striped Bass, Morone Saxatilis : Recommendations For Management Strategy And Monitoring And Research Programs, Herbert M. Austin

Reports

The striped bass, Morone saxatilis, was designated in 1977 as a priority species for the development of a management plan by the Northeast Marine Fisheries Board of the State-Federal Fisheries Management Program. A meeting was held in September 1977 in Baltimore to scope out the general plan of work. Subsequently the Board appointed a striped bass sub-board composed of state representatives from Maine through North Carolina to develop a management plan. The sub-board designated a Scientific and Statistics (S&S) Committee composed of scientists from each of the member states.


Biology And Management Of The American Lobster : June 1974 - December 1978, Robert E. Harris, W. A. Van Engel Jan 1980

Biology And Management Of The American Lobster : June 1974 - December 1978, Robert E. Harris, W. A. Van Engel

Reports

From June 1974 through October 1976, fourteen cruises were made on connnercial lobster trapping vessels off the mid-Atlantic coast. Catch per effort data were collected from 2308 traps, carapace size frequency distributions were formed and analyzed from measurements of over 3300 lobsters and information on quality was obtained from 5487 lobsters. Total catch per trap-haul (CTH) ranged from 0.64 lobsters in January 1976 to 4.5 lobsters in July 1976. (...more...)


The Commercial Fishery Of Virginia 1955-77 With Emphasis On The James, York And Rappahannock Rivers, W. J. Hoagman, D. R. Rathbone Jan 1980

The Commercial Fishery Of Virginia 1955-77 With Emphasis On The James, York And Rappahannock Rivers, W. J. Hoagman, D. R. Rathbone

Reports

The commercial fishery of Virginia is one of the most diverse in the United States. Three principal zones exist: the Atlantic Ocean, Chesapeake Bay, and the major rivers. Finfish, shellfish, and crabs are harvested in each zone. Within the finfishes, several distinct groups are taken.: industrial fish, food fish, and fish for bait. For each group there are migratory, anadromous, and resident species. Within these there are freshwater, brackish, and marine species. The shellfish and crab group make up another category of high value and diverse life forms. The purpose of this report is to summarize a part of the …


Biology And Management Of Mid-Atlantic Anadromous Fishes Under Extended Jurisdiction- Completion Report Anadromous Fish Project 1977-1979, North Carolina Department Of Natural Resources And Community Development Division Of Marine Fisheries, Virginia Institute Of Marine Science Jan 1980

Biology And Management Of Mid-Atlantic Anadromous Fishes Under Extended Jurisdiction- Completion Report Anadromous Fish Project 1977-1979, North Carolina Department Of Natural Resources And Community Development Division Of Marine Fisheries, Virginia Institute Of Marine Science

Reports

This is a joint presentation by the North Carolina Department of Natural Resources and Community Development, Division of Marine Fisheries (DMF) (Part I) and the Virginia Institute of Marine Science (VIMS), Department of Ichthyology (Part II).

It is for the period October 1, 1976 to September 30, 1979, and is the completion report for t:he P. L. 89-304 project "Biology and Management of Mid-Atlantic Anadromous Fishes Under Extended Jurisdiction."

Species of concern are: alewife (Alosa pseudoharengus), blueback herring (Alosa aestivalis), hickory shad (Alosa mediocris), American shad (Alosa sapidissima), striped bass (Morone saxatilis), Atlantic sturgeon (Acipenser oxyrhynchus) and the shortnose sturgeon …


The Effects Of Fin Clipping And Tagging On Growth And Behavior Of The Largemouth Bass (Micropterus Salmoides), Daniel M. Daley Jan 1980

The Effects Of Fin Clipping And Tagging On Growth And Behavior Of The Largemouth Bass (Micropterus Salmoides), Daniel M. Daley

Masters Theses

One hundred largemouth bass, ranging in size from 148mm to 385mm, were equally divided into four treatment groups (control, tag only, tag and left pectoral fin clip, and tag and all paired fins clipped) , and placed into a 5.56 hectare pond on 22 May and 25 May 1979. Upon recovery on 28 September 1979, the increase in length from the time of most recent annulus formation was found to be significantly greater in Age I control fish (x̄ = 125mm) than in fish of the same age in the other three treatment groups (x̄ = 110mm, 103mm, and 106mm, …


Morphological Variation Among 14 Species Of Callogobius Bleeker (Pisces: Gobiidae), James Francis Mckinney Jan 1980

Morphological Variation Among 14 Species Of Callogobius Bleeker (Pisces: Gobiidae), James Francis Mckinney

Biological Sciences Theses & Dissertations

A survey of the variation among the species of the Callogobius complex has been accomplished in order to determine if recognition of more than one genus is warranted for this assemblage of species. Emphasis has been placed on the osteological variation. Relationships among certain species within the Callogobius complex have been exposed. Although there are two well defined species groups within the complex, it is felt that inclusion of all of the examined species within the single genus Callogobius is the most parsimonious course of action.