199 research outputs found

    Examination of local movement and migratory behavior of sea turtles during spring and summer along the Atlantic Coast off the Southeastern United States : final project report

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    Loggerhead sea turtles inhabiting coastal waters along the southeastern United States represent the progeny of multiple rookeries. Tagging studies of nesting female loggerheads suggest that most return to the same beaches in successive breeding seasons and it is widely accepted that most females return to their natal regions to nest. The focus of the in-water survey was modified to intensively target one small trawling area to: (1) examine the effect of intensive trawling on recapture rates and (2) quickly obtain an adequate sample size of turtles to outfit with satellite transmitters. This annual report highlights the major findings for research activities primarily carried out during 2009

    Biology and Management of Mid-Atlantic Anadromous Fishes Under Extended Jurisdiction- Completion Report Anadromous Fish Project 1977-1979

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    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 (Acipenser brevirostrum)

    Partial poisoning to restore fish population balance in farm ponds

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    Balanced fish populations are those that provide quality fishing year after year. They produce the food and prey necessary for young fish to survive and grow to a harvestable size. Balance is best achieved by properly stocking the pond with the correct number of largemouth bass and bream . Balance is maintained by managing water quality and by annually harvesting adequate numbers of bass and bream

    Farm pond fertilization and liming

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    The fish productivity of any farm pond begins with the base of the food chain, the phytoplankton population. Fertilization of a pond stimulates and expands the plankton population. Liming of soft, acid waters in South Carolina ponds can correct water quality deficiencies and improve the pond’s bass-bream production

    Excavated pond construction and management

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    The following is a discussion of methods used to maximize quality fishing in excavated ponds located in the Coastal Plain. The discussion is divided into three parts: construction of the pond, manipulation of water quality, and fish population management

    Managing ponds for recreational fishing

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    This publication provides South Carolina pond owners with guidance to increase their pond’s potential to produce quality fishing year after year

    Development of an index of sea turtle abundance based upon in-water sampling with trawl gear

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    This study was designed to provide fundamental data for the in-water population of turtles along the southeast coast of the United States, with particular emphasis on measuring abundance. Much of our knowledge of sea turtles has come from data collected on nesting beaches or opportunistically during regulation of fisheries. Through an in-water survey we hoped to provide a better understanding of turtle abundance, spatial variability and population characteristics

    Culture permit C254

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    This is a map of shellfish harvest boundaries at portions of Long Creek, Seven Reaches, and Gray Bay in Charleston County. It and also shows the water quality boundaries that are prohibited, restricted or conditionally approved

    Culture permit C105

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    This is a map of shellfish harvest boundaries at the intertidal portions of the Harbor River tidal creeks and oyster flats in Beaufort County. It and also shows the water quality boundaries that are prohibited, restricted or conditionally approved

    Culture permit C104

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    This is a map of shellfish harvest boundaries at the intertidal portions of the Harbor River tidal creeks and oyster flats in Beaufort County. It and also shows the water quality boundaries that are prohibited, restricted or conditionally approved
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