SS33 Oral: Microbial Utilization of DOM in Freshwater and Marine Ecosystems
 
Thursday, Feb. 4   Location: Sweeney #4
 
08:30 - 08:45am   INTERACTION OF BACTERIAL GROWTH AND COMPOSITION OF FRESH DISSOLVED ORGANIC MATTER FROM AN ARCTIC ICE FLOE
 
08:45 - 09:00am   DYNAMICS OF FREE AND COMBINED AMINO ACIDS AND CARBOHYDRATES DURING AN EXPERIMENTAL PHYTOPLANKTON BLOOM
 
09:00 - 09:15am   L/D RATIOS OF DISSOLVED COMBINED AMINO ACIDS AS INDICATORS OF DOM QUALITY TO BACTERIA
 
09:15 - 09:30am   DETERMINING THE RESPONSE OF SURFACE AND DEEP BACTERIOPLANKTON COMMUNITIES TO DOM WHICH ACCUMULATES AT THE BERMUDA ATLANTIC TIME-SERIES STUDY STATION (BATS)
 
09:30 - 09:45am   AMBIENT CONCENTRATIONS OF GLUCOSE AND COMBINED NEUTRAL ALDOSES AND THE EFFECT OF INORGANIC NUTRIENT CONCENTRATIONS ON MICROBIAL ASSIMILATION OF GLUCOSE IN THE NORTH PACIFIC.
 
09:45 - 10:00am   DISSOLVED ORGANIC MATTER METABOLISM AS A LINK TO HETEROGENEITY IN COMMUNITIES OF HETEROTROPHIC BACTERIA
 
10:30 - 10:45am   POLAR LIPIDS IN DISSOLVED ORGANIC MATTER: STRUCTURE, SOURCES AND LINKS TO ORGANIC MATTER CYCLING
 
10:45 - 11:00am   BIODEGRADABILITY OF DOC IN LAKE ESRUM
 
11:00 - 11:15am   FOOD WEB CONFIGURATION AFFECTS THE QUANTITY AND BACTERIAL DEGRADABILITY OF DOC
 
11:15 - 11:30am   BACTERIAL PROCESSING OF DOC - WHAT CONTROLS ARE REALLY IMPORTANT AT AN ECOSYSTEM SCALE?
 
11:30 - 11:45am   FACTORS AFFECTING RETENTION AND TRANSFORMATION OF DISSOLVED ORGANIC CARBON BY ATTACHED MICROBIAL COMMUNITIES IN WETLANDS
 
11:45 - 12:00pm   MICROBIAL AVAILABILITY OF PLANT DERIVED DOC IN DENITRIFICATION WETLANDS
 
12:00 - 12:15pm   MICROBIAL METABOLISM OF ACETATE IN THE GROUNDWATER-SURFACE WATER INTERFACE OF STREAMS
 
12:15 - 12:30pm   ANALYSIS OF OCEAN METHANE HYDRATE FORMATION AND FATE
 
02:00 - 02:15pm   CHITINASE ACTIVITY AND CHITIN DEGRADATION DURING AN EXPERIMENTAL PHYTOPLANKTON BLOOM
 
02:15 - 02:30pm   BACTERIAL EXTRACELLULAR ENZYMATIC ACTIVITY IN A RIVERINE- COASTAL WATER TRANSECT: VARIATIONS OF POLYSACCHARIDE HYDROLYSIS RATES WITH SUBSTRATE AND SIZE CLASS
 
02:30 - 02:45pm   PRODUCTION OF SEMI-LABILE DOM AND TRANSPARENT EXOPOLYMER PARTICLES BY MARINE BACTERIOPLANKTON
 
02:45 - 03:00pm   HIGH BACTERIAL PRODUCTION AND DOC RETENTION IN SANDY RIVER SEDIMENTS
 
03:30 - 03:45pm   LINKING CATCHMENT PROCESSES, DOC BIOGEOCHEMISTRY AND STREAMBED BIOFILMS IN ALPINE GLACIER STREAMS
 
03:45 - 04:00pm   WINTER VERTEBRATE BROWSING OF BIRCH: EFFECTS ON THE USE OF LEAF LEACHATES BY STREAM MICROBES
 
04:00 - 04:15pm   PHOTOCHEMICAL AND MICROBIAL DEGRADATION OF EXTERNAL DOM INPUTS TO RIVERS
 
04:15 - 04:30pm   SEASONAL IMPORTANCE OF DISSOLVED ORGANIC PHOSPHORUS AS A NUTRIENT-P SOURCE IN A COASTAL MARINE SYSTEM: THE EEL RIVER SHELF
 
04:30 - 04:45pm   "ALL CAUGHT UP IN SUNLIGHT," PHOTOLYSIS RELATIVE TO OTHER SOURCES AND SINKS OF STREAMWATER DOM
 
04:45 - 05:00pm   BACTERIAL UTILIZATION OF DOM FROM DIVERSE PRIMARY PRODUCERS: EFFECTS OF UV RADIATION ON SUBSTRATE QUALITY
 

 SS33 Poster: Microbial Utilization of DOM in Freshwater and Marine Ecosystems
 
Thursday, Feb. 4   Location: Sweeney
 
#0727   PATTERNS OF BACTERIOPLANKTONIC EXOENZYME ACTIVITY IN LOWER HUDSON RIVER AND WESTERN LONG ISLAND SOUND ESTUARIES
 
#0749   EFFECTS OF UV RADIATION ON THE COMPOSITION AND MICROBIAL UTILIZATION OF DISSOLVED ORGANIC CARBON (DOC) IN BAYOU TREPAGNIER, LA, USA
 
#0289   MICROBIAL UTILIZATION OF DISSOLVED ORGANIC CARBON LEACHED FROM RIPARIAN TREE SPECIES OF DIFFERENT SERAL STAGES
 
#0442   BACTERIA, UVR, AND DOC: A COMPLEX INTERACTION IN FRESHWATER LAKES
 
#0535   BACTERIAL TURNOVER OF SELECTED LOW MOLECULAR WEIGHT ORGANIC MOLECULES IN THE HUDSON RIVER ESTUARY
 
#1166   SELECTIVE PRESERVATION OF BACTERIAL PROTEINS IN SEAWATER
 
#0898   CLIMATE IMPACTS ON LAKE ECOSYSTEM STRUCTURE AND PRODUCTIVITY IN SUBARCTIC ENVIRONMENTS