Publications

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The goal of the Chesapeake Bay Summer flounder Management Plan is to enhance and perpetuate summer flounder stocks in the Chesapeake Bay and its Tributaries, and throughout their Atlantic coast range, so as to generate optimum long-term ecological, social and economic benefits from their commercial and recreational harvest and utilization over time.

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The 1997 Nutrient Reduction Reevaluation was designed to to answer the following questions:

1. Will we meet the 40% reductions by 2000?

2. Are the nutrient reductions being achieved through the tributary strategies?

3. Are we achieveing the water quality necessary to support living resources?

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One of the strategies for implementing the Living Resources Commitments of the 1987 Chesapeake Bay Agreement is to develop and adopt a series of Bay-wide fishery management plans (FMPs) for commercially, recreationally, and selected ecologically valuable species. The FMPs are to be implemented by the Commonwealth of Pennsylvania, State of Maryland, Commonwealth of Virginia, District of Columbia, and Poto,ac River Fisheries Commission as appropriate. Under this strategy, a timetable was developed for completion of fishery management plans for several important species. Oysters, blue crabs, and American shad were given highest priority, with plans due for these species in July 1989.

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One of the strategies for implementing the Living Resources Commitments of the 1987 Agreement is to develop and adopt a series of baywide fishery management plans (FMPs) for commercially, recreationally, or ecologically valuable species. The FMPs are to be implemented by the Commonwealth of Pennsylvania, Commonwealth of Virginia, DDistrict of Columbia, Potomac River Fisheries Commission, and the State of Maryland as appropriate. Under a timetable adopted for completing management plans for several important species, the black drum FMP was shceduled for completion in December 1992.

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Shoreline modification is an issue of frowing concern to coastal managers. Coastal managers, economists, and scientists met to develop an approach to capture the incremental impacts of increasing levels of shorelie modification. The approach applies the concept of marginal analysisi from economics to assess and predict the cumulative costs of shoreline modification in a given area. Such an approach would incorporate incremental (human-caused) change in shorelines in a manner that would show as costs in the standard marginal cost curve.

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Sedimentsheds is a new concept, and is defined as the area that contributes the sediment which directly influen ces water clarity in near-shore Submerged Aquatic Vegetation (SAV) grow zones. The twenty-six invited participants to the STAC workshop included technical experts in sediment, submerged aquatic vegetation (SAV) and water clarity and policy experts in state programs and total maximum daily load (TMDL) implementation. Conclusion: 1]Different types of sedimet have different ecosystem effects, and should be regulated accordingly; 2] Silts are beneficial to marshes, though they also play a role in increasing turbidity 3] The smallest clay-sized materials are the most readily suspended and are the ones of most concern for water clarity. There appears tobe a relationship between nutrient loading and the amount of small material (clays, algae and microscopic remains of organisms) that remain in suspension during the SAV growing season. SAV recovery and/or restoration require many factors besides decreased suspended sediments.

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This paper will focus on the reasons for these triumphs or failures undertaken primarily during the past 2 years and will attempt to predict where transplanting might be positively executed. During August of 1987 and from June through August of 1988, 20 sites in the Elk and Sassagras Rivers were utilized as recipient areas into which Vallisneria americana plants were introduced.

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Vaious articles are contained in this Journal" dealing with sea grasses.

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