SS28 Oral: Trace Elements from the Rivers to the Sea: Processes That Influence Chemical Speciation, Biogeochemical Cycling & Biological Effect
 
Wednesday, Feb. 3   Location: Sweeney #1
 
02:00 - 02:30pm   THE DISTRIBUTION, SPECIATION AND CYCLING OF MERCURY AND METHYLMERCURY FROM RIVERS TO THE OCEAN
 
02:30 - 02:45pm   ASSESSMENT OF MERCURY CONCENTRATIONS IN THE SURFACE WATERS OF THE PEARL RIVER, MISSISSIPPI
 
02:45 - 03:00pm   EFFECTS OF COAL MINING ON MERCURY SPECIATION IN BLACK WARRIOR RIVER BASIN, ALABAMA
 
03:30 - 03:45pm   REDOX CYCLING OF ARSENIC IN LAKE CROWLEY, CA: IMPLICATIONS FOR WATER QUALITY IN THE LOS ANGELES AQUEDUCT
 
03:45 - 04:00pm   TEMPERATURE-DEPENDENT MICROBIAL CONTROL OF DISSOLVED MANGANESE IN THE LOWER MISSISSIPPI RIVER
 
04:00 - 04:15pm   ASSESSING IRON OXIDATION KINETICS IN RESERVOIR RELEASES
 
04:15 - 04:30pm   INFLUENCE OF MINERAL FORMATION MECHANISMS ON THE TRACE METAL ADSORPTION PROPERTIES OF IRON AND MANGANESE OXIDES
 
04:30 - 04:45pm   REGIONAL AND TEMPORAL VARIATIONS OF THE SOURCES OF TRACE ELEMENTS TO THE PATUXENT RIVER ESTUARY
 
04:45 - 05:00pm   ORGANIC COMPLEXATION OF COBALT IN THE SARGASSO SEA
 
 
Thursday, Feb. 4   Location: Sweeney #1
 
02:00 - 02:15pm   IN SITU IMMUNOLOGICAL ASSESSMENT OF PHYTOPLANKTON FE DEFICIENCY IN WATERS OFF THE KEWEENAW PENINSULA, LAKE SUPERIOR
 
02:15 - 02:30pm   IRON-STIMULATED PHYTOPLANKTON PRODUCTIVITY IN THE SURFACE WATER OF EASTERN AND CENTRAL LAKE ERIE DURING THERMAL STRATIFICATION: AN INVESTIGATION USING TRACE METAL CLEAN TECHNIQUES
 
02:30 - 02:45pm   A FOUR-LEVEL CLASSIFICATION SYSTEM FOR IRON LIMITATION IN COASTAL UPWELLING SYSTEMS
 
02:45 - 03:00pm   THE INFLUENCE OF IRON AVAILABILITY ON NITROGEN ASSIMILATION IN A MARINE DIATOM
 
03:30 - 03:45pm   IRON QUOTAS OF SOUTH PACIFIC POPULATIONS OF THE PLANKTONIC NITROGEN FIXING CYANOBACTERIA, TRICHODESMIUM SPP.
 
03:45 - 04:00pm   THE GROWTH RATE OF PROCHLOROCOCCUS IN THE EASTERN EQUATORIAL PACIFIC IS LIMITED BY IRON
 
04:00 - 04:15pm   COBALT USE BY MARINE SYNECHOCOCCUS
 
04:15 - 04:30pm   ARE COBALT LIGANDS PRODUCED BY PROCHLOROCOCCUS?
 
04:30 - 04:45pm   INTERACTIVE EFFECTS OF METAL ION CONCENTRATION AND LIGHT ON THE ACCUMULATION AND UTILIZATON OF IRON, MANGANESE AND ZINC IN A COASTAL DIATOM
 
04:45 - 05:00pm   THE ROLE OF CADMIUM IN CARBON ACQUISITION IN THE MARINE DIATOM THALASSIOSIRA WEISSFLOGII
 
 
Friday, Feb. 5   Location: Sweeny #1
 
02:00 - 02:15pm   REMINERALIZATION AND RECYCLING OF TRACE METALS BY PROTOZOAN GRAZERS
 
02:15 - 02:30pm   UPTAKE OF DISSOLVED SELENIUM BY PHYTOPLANKTON: IS ORGANIC SELENIUM READILY INCORPORATED AND DO UPTAKE RATES DIFFER AMONG TAXA?
 
02:30 - 02:45pm   ENHANCED SOLUBILIZATION OF TRACE METALS IN DEPOSIT FEEDERS' GUTS
 
02:45 - 03:00pm   BACTERIALLY PROMOTED CALCITE PRECIPITATION AND ASSOCIATED CAPTURE OF METAL AND RADIONUCLIDE CONTAMINANTS
 
03:30 - 03:45pm   THE INFLUENCE OF ANIMAL SIZE AND EXPOSURE HISTORY ON THE SUBCELLULAR PARTITIONING OF Cd AND Zn IN THE BIBALVE POTAMOCORBULA AMURENSIS AND THE IMPLICATIONS FOR METAL TROPHIC TRANSFER
 
03:45 - 04:00pm   MODELING AND MEASURING METAL ACCUMULATION IN MARINE COPEPODS
 
04:00 - 04:15pm   METAL INFLUENCES ON A CLAM POPULATION: LONG-TERM STUDIES IN SAN FRANCISCO BAY.
 
04:15 - 04:30pm   INTERACTING EFFECTS OF NUTRIENTS AND TRACE METALS ON MICROBIAL FOOD WEBS IN ESTUARINE ENCLOSURES
 
04:30 - 04:45pm   THE EFFECTS OF MULTIPLE STRESSORS ON ESTUARINE ECOSYSTEMS: SEASONAL VARIABILITY IN RESPONSE OF PHYTOPLANKTON COMMUNITIES TO TRACE ELEMENTS
 
04:45 - 05:00pm   THE EFFECTS OF MULTIPLE STRESSORS ON ESTUARINE ECOSYSTEMS: THE RELATIONSHIP BETWEEN NUTRIENT LEVELS AND TRACE METAL UPTAKE IN BIVALVES AND FISH
 

 SS28 Posters: Trace Elements from the Rivers to the Sea: Processes That Influence Chemical Speciation, Biogeochemical Cycling & Biological Effect
 
Wednesday, Feb. 3   Location: Sweeney
 
#0530   ESTIMATION OF MERCURY-SULFIDE SPECIATION AND BIOAVAILABILITY IN SEDIMENT PORE WATERS USING OCTANOL-WATER PARTITIONING
 
#1539   PORE WATER, VENT WATER AND GROUND WATER INPUTS TO GEOTHERMALLY-ACTIVE YELLOWSTONE LAKE, WYOMING
 
#0264   SPECIATION AND MICROALGAL BIOAVAILABILITY OF INORGANIC SILVER
 
#1055   INTERACTIONS OF ZEBRA MUSSELS (DREISSENA POLYMORPHA) WITH HIGH MOLECULAR WEIGHT COLLOIDAL TRACE ELEMENTS AND CARBON
 
#0559   THE INFLUENCE OF SULFUR INPUTS ON METHYLMERCURY PRODUCTION IN THE FLORIDA EVERGLADES
 
#0581   NEW SIDEROPHORES FROM MARINE HETEROTROPHIC BACTERIA
 
#0703   MODELLING STUDIES OF FACTORS AFFECTING SEDIMENT-WATER CD TRANSFER IN ESTUARIES
 
#0885   BUDGETS FOR TOTAL AND METHYL MERCURY IN A SUBESTUARY OF CHESAPEAKE BAY
 
#0715   COMPARISON OF TRACE METAL AND PCB ACCUMULATION IN THE TURKEY-WING MUSSEL, ARCA ZEBRA, IN THREE OF BERMUDA'S INSHORE WATER SITES.
 
#0469   SIDEROPHORE PRODUCTION BY MARINE HETEROTROPHIC BACTERIA
 
#0769   TOTAL DISSOLVED ZN(TDZN), ZN LIGNDS (L-ZN), AND K'(COND.) FOR ZN COMPLEXES IN THE SEDIMENT PORE WATERS AND BOTTOM WATERS IN CHESAPEAKE BAY AND ELIZABETH RIVER, VA.
 
#0762   NATURAL TRACERS AS BIOGEOCHEMICAL INDICATORS IN GREAT LAKES COASTAL WETLANDS