Publications
Access hundreds of Bay Program publications, from scientific reports to factsheets to memorandums.
Coordinated Split Sample Program Annual Report (1987)
Published on January 1, 1987 in ReportThis is an annual report on the Coordinated Split Sample Program.
An Updated Review of Estuarine Aquatic Toxicity Data for the Development of Aquatic Life Criteria fo
Published on March 1, 1994 in ReportThis report is a summary of Phase I and II of a study designed to provide necessary data and recommendations for development of estuarine acute and chronic atrazine criterion for the Chesapeake Bay.
Chesapeake Bay Living Resources Biennial Report (1995-1996)
Published on January 1, 1997 in ReportThis is the 1995-1996 Biennial Report on the Chesapeake Bay Living Resources.
Chesapeake Bay Watershed - It's Land and People
Published on June 1, 1999 in ReportThis work contains the following themes as they relate to the Chesapeake Bay: Watersheds, Peoples of the Bay/Social and Cultural Environment, Environmental Stewardship and Sustainability of the Bay/Stewardship.
Chesapeake Bay Basinwide Toxics Reduction Strategy-Agreement Commitment Report (Executive Council)
Published on December 1, 1988 in ReportA report from the Chesapeake Executive Council on the adoption of the Chesapeake Bay Basinwide Toxics Reduction Strategy
View detailsThe Community Watershed Initiative Strategy: Recognizing Shared Vision, Realizing Shared Goals
Published on January 1, 1998 in ReportA report on the Community Watershed Initiative Strategy: Recognizing Shared Vision, Realizing Shared Goals
The Effect of Salinity on the Acute Toxicity of Total Dissolved & Free Cadmium to the Copepod Euryte
Published on October 1, 1984 in ReportThe objective of this study was to determine the influence of a range of salinities (5, 15 and 25 ppt) on the acute toxicity of total dissolved and free cadmium to sheepshead minnow, Cyprinodon variegatus larvae and the copepod, Eurytemora affinis nauplii. Data were analyzed to determine if the acute toxicity (96 h LC 50s) was different among salinities for the test species. Total dissolved cadmium was measured in selected test conditions and the proportion of total cadmium as Cd+2 (free ion or toxic form) was determined at each salinity. Ninety-six hour LC50 values for C. variegatus were 180.3, 312.4 and 495.5 ug/L total cadmium at 5, 15 and 25 ppt, respectively. A significant increase in LC50 values with salinity was likely related to a decrease in the free ion as salinity increased. Ninety-six hour LC50 values for E. affinis were 51.6, 213.2 and 82.9 ug/L total cadmium at 5, 15 and 25 ppt, respectively. A comparison of LC50 values for this copepod between salinities showed a significant difference between 5 and 15 ppt and between 15 and 25 ppt. There was no difference in LC50 between 5 and 25 ppt. The physiological characteristics of E. affinis were likely responsible for the higher tolerance at the middle salinity. Cadmium speciation in the various test salinities was dominated by association with inorganic binding ligands; organic complexation was negligible. The speciation at all salinities was dominated by CdCl+ and CdCl2. The free ion accounted for 20, 8 and 4.5% of the total cadmium at 5, 15 and 25 ppt, respectively. As current water quality criteria do not distinguish among individual cadmium species these data have important implications for estuaries such as the Chesapeake Bay because the presence of the toxic form of cadmium will increase as salinity decreases.
View detailsWaterfowl Workgroup Living Resource Subcommittee Annual Progress Report
Published on January 1, 1991 in ReportThis report outlines the major accomplishments of the Waterfowl Workgroup in 1991.
Toxics Regional Action Plan for Baltimore Harbor
Published on August 1, 1986 in ReportThe Plan calls for the continuation of all of the State's existing programs, because collectively they are producing results. IN the case of some regulatory programs, the plan commits MDE to specific administrative actions involving certain discharges to the Harbor.
The Southern Maryland Heritage Area Plan
Published on February 1, 1997 in ReportAnalyzes the shaping factors of the Southern Maryland Heritage area, which includes Calvert, Charles and St. Mary's Counties, and recommends policies and actions needed to preserve, restore and promote an improved quality of life.