SOFIA - Bacterial demethylation of methylmercury in the South Florida Ecosystem

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projects > bacterial demethylation of methylmercury in the south florida ecosystem

Bacterial demethylation of methylmercury in the South Florida Ecosystem

photo of scientist holding samples Investigators: Ronald Oremland and Mark Marvin-DiPasquale

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Summary

Our work focus is on the microbiological and geochemical processes that control CH₃Hg⁺ degradation in Everglades peat sediment.

The objective of this research is to provide ecosystem managers with CH3Hg+ degradation rate data from a number of study sites that represent a diversity of hydrologic and nutrient regimes common to the Everglades. Further, our focus is on better understanding the microbial and geochemical controls regulating CH3Hg+ degradation. At present, little is known regarding the specific factors influencing this process in natural systems.

Publications

Papers:

Bacterial Methylmercury Degradation in Florida Everglades Peat Sediment (Published in: Environmental Science and Technology)
Methyl-Mercury Degradation Pathways: A Comparison Among Three Mercury-Impacted Ecosystems (Published in: Environmental Science and Technology)
Factsheet:
Methyl-Mercury Degradation in Florida Everglades Peat-Sediment

Poster:
Environmental Controls on Methylmercury Production and Degradation in Everglades Sediments (PowerPoint Presentation) (from the USGS Water Quality Workshop, October 2000)

U.S. Department of the Interior, U.S. Geological Survey, Center for Coastal Geology
This page is: http://sofia.usgs.gov/projects/bact_demeth/index.html
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Last updated: 11 October, 2002 @ 09:29 PM (KP)

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