SS32 Oral: Stable Isotope Natural Abundance: Applications in Marine and Freshwater Research
 
Monday, Feb. 1   Location: Eldorado Anasazi South
 
02:00 - 02:15pm   ISOTOPIC FRACTIONATION IN THE ALKENONE-CONTAINING ALGAE
 
02:15 - 02:30pm   IRON-STIMULATED CHANGES IN CARBON ISOTOPIC FRACTIONATION AND EXPORT BY EQUATORIAL PACIFIC PHYTOPLANKTON
 
02:30 - 02:45pm   CARBON ISOTOPE FRACTIONATION IN MARINE MICROALGAE: EFFECT OF LIGHT- VS. NUTRIENT-LIMITED GROWTH
 
02:45 - 03:00pm   CARBON ISOTOPIC FRACTIONATION IN MICROALGAE: THE EFFECT OF INTRACELLULAR COMPARTMENTS
 
03:30 - 03:45pm   SPECIES-SPECIFIC RESPONSE OF STABLE CARBON ISOTOPE FRACTIONATION BY MARINE PHYTOPLANKTON TO VARIATION IN DAYLENGTH, GROWTH RATE, AND CO2 AVAILABILITY
 
03:45 - 04:00pm   A 4 COMPARTMENT MODEL OF PHYTOPLANKTON CHLOROPLASTS FOR THE CARBON CONCENTRATING MECHANISM
 
04:00 - 04:15pm   THE INTRAMOLECULAR ISOTOPIC COMPOSITION OF GLUTAMATE AS AN INDICATOR OF AMINO ACID METABOLISM IN AUTOTROPHS AND HETEROTROPHS
 
04:15 - 04:30pm   CARBON SUPPLY/DEMAND VERSUS 13C FRACTIONATION BY PHYTOPLANKTON: A STUDY IN MONTEREY BAY, CA
 
04:30 - 04:45pm   INORGANIC CARBON METABOLISM AND 13C/12C FRACTIONATION BY PHYTOPLANKTON IN COASTAL AND OCEANIC PACIFIC WATERS
 
04:45 - 05:00pm   UNPREDICTED CARBON AND NITROGEN ISOTOPIC CYCLING IN THE CARIACO BASIN FROM THE YOUNGER DRYAS TO PRESENT: IMPLICATIONS FOR INTERPRETATION OF ISOTOPIC VARIABILITY IN UPWELLING SYSTEMS
 
 
Tuesday, Feb. 2   Location: Eldorado Anasazi South
 
08:30 - 08:45am   COMPOUND-SPECIFIC ISOTOPE RECORDS OF PLANKTONIC ECOSYSTEM VARIABILITY IN THE CARIACO BASIN, YOUNGER DRYAS TO PRESENT
 
08:45 - 09:00am   INFLUENCE OF IRRADIANCE AND CELL SIZE ON NITROGEN ISOTOPE FRACTIONATION BY TWO DIATOMS GROWN ON NITRATE
 
09:00 - 09:15am   NITROGEN ISOTOPE ABUNDANCES IN PELAGIC ECOSYSTEMS: BIOLOGICAL CONTROLS ON THE DELTA-15N OF THE OLIGOTROPHIC OCEAN
 
09:15 - 09:30am   INSIGHTS INTO THE TROPHIC STRUCTURE IN A 2000 M WATER COLUMN FROM STABLE C AND N ISOTOPE STUDIES
 
09:30 - 09:45am   NATURAL ABUNDANCE 15N OF NITRATE, AMMONIUM, DON, AND PON AS INTEGRATIVE MEASURES OF ECOSYSTEM PROCESSES: A CASE STUDY OF THE CHILDS RIVER ESTUARY, CAPE COD, MA
 
09:45 - 10:00am   STABLE ISOTOPIC TRACING OF PARTICULATE ORGANIC MATTER IN SESTON AND SEDIMENTS FROM AN EUTROPHIC ESTUARY IN NORTH CAROLINA, USA
 
10:30 - 10:45am   GEOCHEMICAL AND ISOTOPE DYNAMICS OF DISSOLVED INORGANIC NITROGEN IN LAKE MICHIGAN
 
10:45 - 11:00am   SEASONAL CARBON AND NITROGEN ISOTOPE DYNAMICS OF PARTICULATE AND DISSOLVED ORGANIC MATTER IN GRAND TRAVERSE BAY, LAKE MICHIGAN
 
11:00 - 11:15am   ANAEROBIC PROCESSES AS A POTENTIAL CONTROL ON CARBON-ISOTOPE CYCLING IN SEVERELY EUTROPHIC LAKES: A CASE STUDY OF LAKE MENDOTA (WISCONSIN, USA)
 
11:15 - 11:30am   STABLE ISOTOPE TRACING OF METHANE PRODUCTION AND OXIDATION IN THE GASSY SEDIMENTS OF ECKERNFORDE BAY, GERMAN BALTIC SEA
 
11:30 - 11:45am   EXAMINATION OF SEDIMENTARY MICROBIAL LIPIDS USING COMPOUND SPECIFIC ISOTOPIC ANALYSIS TO DETERMINE CARBON TRANSFORMATION ALONG AN ESTUARINE CONTINUUM
 
11:45 - 12:00pm   BIOGEOCHEMICAL EFFECTS ON PHYTOPLANKTON AND SEAGRASS CARBON REMINERALIZATION: A LABORATORY DEGRADATION EXPERIMENT
 
12:00 - 12:15pm   THE CONTRIBUTION OF LOCAL MACROPHYTE MATERIAL TO MICROBIAL BIOMASS IN SALT MARSH SEDIMENTS: 13C ANALYSIS OF PLFA
 
12:15 - 12:30pm   THE FATE OF INTERTIDAL MICROPHYTOBENTHOS: AN IN SITU 13C LABELLING STUDY
 
 
Wednesday, Feb. 3   Location: Eldorado Anasazi South
 
08:30 - 08:45am   TRACKING THE FATE OF GROUNDWATER NITRATE DURING DISCHARGE TO A MESOHALINE MARSH: RESULTS FROM AN ISOTOPICALLY ENRICHED INSITU TRACER EXPERIMENT
 
08:45 - 09:00am   DETERMINATION OF NITRATE SOURCES IN CATCHMENTS DURING SNOWMELT USING OXYGEN AND NITROGEN ISOTOPES OF NITRATE; SIERRA NEVADA, CALIFORNIA
 
09:00 - 09:15am   EFFECTS OF WATER VELOCITY ON ALGAL CARBON ISOTOPE RATIOS: IMPLICATIONS FOR RIVER FOOD WEB STUDIES
 
09:15 - 09:30am   NITROGEN ISOTOPE RATIOS: INDICATORS OF SOURCE OF N OR N TRANSFORMATIONS?
 
09:30 - 09:45am   AN INVERSE MODEL OF CARBON CYCLING IN THE NUECES ESTUARY, TEXAS: IMPORTANCE OF ISOTOPIC CONSTRAINTS
 
09:45 - 10:00am   PAST AND PRESENT TROPHIC STRUCTURE OF FLORIDA BAY: STABLE ISOTOPE ANALYSES
 
10:45 - 11:00am   QUANTIFYING THE CONTRIBUTION OF ANADROMOUS CLUPEID FISH TO THE DIET OF AN INTRODUCED, APEX PREDATOR (BLUE CATFISH, ICTALURUS FURCATUS) IN TIDAL FRESHWATER USING STABLE ISOTOPES
 
11:00 - 11:15am   STABLE ISOTOPE AND TRACE ELEMENT MARKERS IN OTOLITHS: NATURAL TAGS OF NATAL LOCATION AND MIGRATION PATTERNS OF MARINE FISH
 
11:15 - 11:30am   USING STABLE ISOTOPES TO INVESTIGATE SEASONAL VARIATION IN THE FOOD WEB OF GRAND TRAVERSE BAY, LAKE MICHIGAN
 
11:30 - 11:45am   FOOD WEB STRUCTURE AND SPATIAL HETEROGENEITY IN WESTERN LAKE SUPERIOR
 
11:45 - 12:00pm   STABLE ISOTOPE ANALYSIS AS AN INDICATOR OF WALLEYE PRODUCTIVITY IN FOUR UTAH RESERVOIRS.
 
12:00 - 12:15pm   RECORDS OF 13C, 15N, AND 34S IN SEDIMENTS OF AN ACIDIFIED LAKE IN SOUTHERN SWEDEN: THE IMPORTANCE OF LONG-TERM MECHANISMS FOR THE EVOLUTION OF LAKE pH
 
12:15 - 12:30pm   VASCULAR LAND PLANT ISOLATES FROM NEAR-SHORE SEDIMENTS: IMPLICATIONS FOR DELTA-13-C DETERMINATION OF THE PALEOATMOSPHERE
 

 SS32 Posters: Stable Isotope Natural Abundance: Applications in Marine and Freshwater Research
 
Tuesday, Feb. 2   Location: Sweeney
 
#0908   AN ANALYSIS OF THE DIET OF LAUGHING GULLS (LARUS ATRICILLA) IN COASTAL VIRGINIA USING THE STABLE ISOTOPIC COMPOSITIONS OF CARBON, NITROGEN, AND SULFUR IN SEVERAL TISSUE TYPES
 
#0675   NITROGEN ISOTOPES OF SINKING PARTICULATE MATTER ALONG A PRODUCTIVITY GRADIENT IN THE CANARY BASIN
 
#1337   SHIFTS IN NATURAL CARBON AND NITROGEN ISOTOPE COMPOSITION BASED FOOD WEB DEPENDENCIES PROVIDE EVIDENCE OF BIOPHYSICAL COUPLING IN PRINCE WILLIAM SOUND, ALASKA
 
#0142   THE EFFECT OF DIETARY NITROGEN CONTENT ON DEL 15N ENRICHMENT ACROSS TROPHIC LEVELS
 
#0982   ARE RESPIRATION RATES EQUAL OVER DIEL CYCLES IN AQUATIC ECOSYSTEMS?: A NEW METHOD AND APPLICATION USING NATURAL ABUNDANCE OXYGEN ISOTOPES
 
#0355   NITROGEN ISOTOPE PATTERNS IN THE OXYGEN DEFICIENT WATERS OF THE EASTERN TROPICAL Pacific Ocean (ETNP)
 
#0116   NITROGEN ISOTOPE RATIOS AND QUICK DEATH IN TASMANIA
 
#1514   STABLE ISOTOPE STUDIES OF NITROGEN USE BY THE RED MANGROVE, RHIZOPHORA MANGLE L., IN SOUTH FLORIDA
 
#0961   DISTRIBUTIONS AND ISOTOPIC COMPOSITIONS OF NITROUS OXIDE IN THE SUBANTARCTIC SOUTHERN OCEAN
 
#0752   ALKENONE DELTA C-13 DERIVED PCO2 LEVELS IN SURFACE WATERS OF THE SOUTH ATLANTIC: HOLOCENE VS. LAST GLACIAL MAXIMUM