Making watershed management work

Article Abstract:

The New York City Watershed Memorandum of Agreement (MOA) serves as a blueprint for the city's watershed management strategy for the Catskill and Delaware segments of the city's water supply system. The MOA contains three components-the $250 million Land Acquisition Program, the variable-cost Watershed Rules and Regulations, and the $240 million Watershed Protection and Partnership Programs. The system is discussed in the context of the debate over watershed management versus filtration.

Water Supply, Administration of Conservation Programs, New York, Administration of Environmental Quality Programs, Resources, Environ & Energy-Municipal, Water Resources-Local, Statistical Data Included, Management, Water utilities, Finance, Illustration, Water resources, Environmental policy, Watersheds, Watershed management

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Methyl-mercury degradation pathways: a comparison among three mercury-impacted ecosystems

Article Abstract:

Microbial methylmercury degradation was studied in the sediment of three regions, including: the Florida Everglades, Carson River, Nevada, and San Carlos Creek, California. Degradation rate constant values went up with contamination of total mercury within ecosystems. The study is broken down into an introduction, a discussion of the methods used, and a discussion of the results.

Pollutants produced & recycled, Pollution

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Radioreceptor assays for sensitive detection and quantitation of sanitoxin and its analogues from strains of the freshwater cyanobacterium, Anabaena circinalis

Article Abstract:

The neurotoxins from freshwater blue green algae are measured by means of sensitive receptor binding techniques. Two microtiter plate based bioassays that use radioactively labeled saxitoxin (SX) binding by sodium channels or saxiphilin have emerged for measuring STX and its derivatives, which are often found in Anabaena and Aphanizomemon.

Waste Management and Remediation Services, Water Pollution, Measurement, Cyanobacteria

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