Publications

This document is a research synthesis requested by the Forestry Work Group of the Nutrient Subcommittee of the Chesapeake Bay Program. In developing the outline for the report, the authors agreed to specifically focus on the existing Riparian Forest Buffer System (RFBS) specification developed by USDA and being used as a starting point for federal, state, and local RFBS specifications. Although the report contains a general review of riparian forest and grass vegetated filter strip literature, the goal was to use this literature to help determine the applicability of the forest buffer system recommended by USDA.

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On June 28, 2000, the Chesapeake Executive Council signed a new agreement for the restoration of the Bay, entitled Chesapeake 2000. Unprecedented in scope and complexity, the new accord called for a range of actions, most with specific goals and a timeframe of 2010 for completion. While many of the goals were related to the Bay's water quality improvements, others dealt with the need for healthy and productive natural systems throughout the 64,000 square mile watershed. Among the most important means to achieve the goals is the permanet protection of open lands, including farms, forests and wetlands,

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The 1994 Chesapeake Bay Basinwide Toxics Reduction Strategy emphasized using a regular related problems in the Chesapeake Bay. Guided by the objective, Direct reduction and prevention action plans for areas where significant potential exists for toxic impacts on living resources and habitats and more directly the stakeholders, the Chespake Bay Program is establishing a process for characterizing and designating those areas with known chemical contamnant-related impacts), and deeveloping Regional Action Plans to guide and protect the designated Regions of Concer. This guidance document presents an overview of the regional developing Regional Action Plans.

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The 1994 Chesapeake Bay Basinwide Toxics Reduction and Prevention Strategy emphasized using a regular related problems in the Chesapeake Bay. Guided by the objective, Direct reduction and prevention action areas where significant potential exists for toxic impacts on living resources and habitats and more directly stakeholders, The Chesapeake Bay Program is establishing a process for characterizing and designating the areas with known chemical contaminant-related impacts), are developing Regional Action Plans to guide and protect the designated Regions of Concern. This guidance document presents an overview of the regional developing REgional Action Plans.

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The 1994 Chesapeake Bay Basinwide Toxics Reduction and Prevention Strategy emphasized using a regional focus to address chemical contaminant-related problems in the Chesapeake Bay. Guided by the objective, Direct reduction and prevention actions regions with known toxic problems as well as areas where significant potential exists for toxic impacts oon living resources and habitats, and more directly involve the locally affected community and stakeholders, the Chesapeake Bay Program is establishing a process for characterizing and designating areas of the Bay as Regions of Concern (e.g., areas with known chemical contaaminant-related impacts), and developing Regional Action Plans to guide the cooperative efforts needed to restore and protect the designated Regions of Concern. This guidance document presents an overview of the regional action planning process and an approach for developing Regional Actions Plans.

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This is Part II of the Chesapeake Bay Ecosystem Modeling Program Part I.

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In the 1992 amendments to the Chesapeake Bay Agreement, the Chesapeake Executive Council reaffirmed its emphasis on the restoration and enhancement of living resources and their habitats. To accomplish this goal, it is essential to establish an integrated strategy for resource management, habitat restoration and pollution reduction/prevention. Numerical simulations that model water quality, habitat and living resources offer important tools for integrating these components. A program was initiated in summer of 1991 to develop an integraated series of ecosystem models, which would help to bring current research results to bear on management of the Chesapeake Bay's living resources and would connect with and enhance the existing water quality modeling program (Kemp et al., 1993).

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This report is a summary of Phase I and II of a study designed to provide neessary data and recommendation for development of estuarine acute and chronic atrazine criterion for the Chesapeake Bay. The specific objectives of Phase I were to review all literature on the toxicity of atrazine to aquatic estuarine organisms (1-26 0/00); identify data that could be used for the development of acute and chronic water quality criterion for Chesapeake Bay and recommend additional toxicity toxicity testing needed to fill data gaps for development of estuarine water quality criteria. The objectives of Phase II were to conduct the test identified in Phase I necessary to fill data gaps for the acute criterion, update the Phase I report with the new data and provide additional information on the effects of salinity on the toxicity of atrazine to two representative Chesapeake Bay species.

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the goal of this study was to conduct a screening level probabilistic ecological risk assessment for copper and cadmium in the Chesapeake Bay watershed by using the following distinct phases: problem formulation, analysis and risk characterization. This probabilistic ecological risk assessment characterized risk by comparing the probability distributions of environmental exposure concentrations with the probability distributions of species response data determined from laboratory studies. The overlap of these distributions was a measure risk to aquatic life. comparative risk from copper and cadmium exposure was determined for various basins in the Chesapeake Bay watershed.

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Summary of the October 2015 Cownose Ray Workshop in Baltimore, MD.

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