Contents of the Presentation

• Introduction

• How To Use This Site

• Mercury Transformations

• Resistance to Mercury

• Mercury Mines

• Sampling Sites

• Measurements

• Mercury Speciation

• Mercury Transformations

• mer Operon Analysis

• The Hg Biosensor

• Carson River System

• Picture of the Carson River

• Contaminated Carson River Waters

• Carson River Banks are Sources of Hg and MeHg

• Water Samples "Consume" Hg

• Hg Transformation Rate Constants for Carson River Sediments

• Simulate Hg Agrees with Data When Bank Gradient is Considered

• Map of Slovenia

• Map of the Idrija River System

• Picture of Idrija Miners

• Graph of Sampling Site

• Graph of Sample Sites Downstream

• Macroinvertebrate Diversity Decreases Near Mine

• merA (mercurial reductase)

• Total Mercury in Sediments of the Gulf of Trieste

• Methyl Mercury in the Gulf of Trieste

• Gulf of Trieste Sediments

• Gulf of Trieste Pore Waters

• Gulf of Trieste Sedimentary Sites

• Soils Tend to Readily Demethylate

• Demethylation in Soils Near AK Hg Mines Increases with Reactive Hg

• C1 Compounds in Peatlands Behave Differently than in Mineral-rich Habitats

• Conclusions

• Conclusions Cont'd

• Conclusions Cont'd