The Collier Report of U.S. Government Contracting

Old School Reporting Using Modern Technology

Smithsonian Institution dba Office Of Sponsored Projects

  • Smithsonian Institution dba Office Of Sponsored Projects

  • View government funding actions
  • Arlington, VA 22202
  • Phone: 202-633-7111
  • Estimated Number of Employees: 5,550
  • Estimated Annual Receipts: $1,159,060,000
  • Business Start Date: 1846
  • Contact Person: Tracey Fraser
  • Contact Phone: 202-633-3763
  • Contact Email: FraserT@si.edu
  • Business Structure:
  • Corporate Entity (Tax Exempt)
  • Business Type:
  • Non-Profit Organization
  • Industries Served: Libraries and Archives, Internet Publishing and Broadcasting and Web Search Portals, Architectural Services, Landscape Architectural Services, Engineering Services, Geophysical Surveying and Mapping Services, Surveying and Mapping (except Geophysical) Services, Interior Design Services, Environmental Consulting Services, Research and Development in the Physical, Engineering, and Life Sciences (except Biotechnology), Research and Development in the Social Sciences and Humanities, Educational Support Services, Museums, Zoos and Botanical Gardens
  • Product Areas: SUPPORT- PROFESSIONAL: EXPERT WITNESS, EXPERT WITNESS

Sampling of Federal Government Funding Actions/Set Asides

In order by amount of set aside monies.

  • $99,000 - Friday the 6th of November 2015
    National Aeronautics And Space Administration
    NASA SHARED SERVICES CENTER
    TERRESTRIAL PARTICLE CONTAMINATION IS THE MAJOR OBSTACLE TO COMPLETION OF GENESIS SCIENCE OBJECTIVES. ESTABLISHED CLEANING PROCEDURESWORK WELL ENOUGH TO VERIFIABLY PRODUCE SMALL AREAS THAT ARE SUITABLY CLEAN FOR MICROBEAM ANALYTICAL TECHNIQUES, BUT THESE CLEANING PROCEDURES ARE NOW KNOWN TO BE INADEQUATE FOR THE LARGE-AREA SAMPLES REQUIRED FOR SOME KINDS OF ANALYSES. WE PROPOSE TO ESTABLISH TECHNIQUES FOR USING TOF-SIMS (TIME OF FLIGHT SECONDARY IONIZATION MASS SPECTROMETRY) TO CHARACTERIZE SURFACE CONTAMINATION AND CLEANING PROCEDURES FOR GENESIS SOLAR WIND COLLECTORS AND ESTABLISH A VERIFIED-CLEAN SET OF SQ-CM-SIZED GENESIS SAMPLES IN THE CURATORIAL FACILITY. OUR METHODS, ONCE ESTABLISHED, WILL BE USED IN ITERATIVE MODE WITH THE CLEANING PROCEDURES TO PRODUCE LARGE AREA SAMPLES FOR ALLOCATION BY THE CURATORIAL FACILITY. PRELIMINARY RESULTS OBTAINED WITH SMITHSONIAN TOF-SIMS DEMONSTRATE THE TECHNIQUE TO BE VIRTUALLY NON-DESTRUCTIVE (FROM GENESIS SAMPLES POINT OF VIEW) AND HIGHLY SENSITIVE FOR THE ANALYSIS OF SURFACES OF GENESIS FLIGHT SAMPLES.
  • $46,155 - Tuesday the 10th of April 2012
    Bureau Of Ocean Energy Management
    HEADQUARTERS
    NT-09-01 SMITHSONIAN ARCHIVING
  • $44,000 - Monday the 3rd of April 2017
    National Aeronautics And Space Administration
    NASA SHARED SERVICES CENTER
    THE GEOLOGIC HISTORY OF VENUS REMAINS PERHAPS THE MOST ENIGMATIC ASPECT OF INNER SOLAR SYSTEM SCIENCE. THE MAGELLAN MISSION MAPPED ALMOST THE ENTIRE SURFACE OF THE PLANET, BUT THE LACK OF DETAILED COMPOSITIONAL INFORMATION BEYOND A FEW PLAINS LANDING SITES, THE ATMOSPHERIC FILTERING OF SMALL IMPACTORS THAT HAMPERS REGIONAL AGE ESTIMATION, AND THE INHERENT AMBIGUITIES IN GEOLOGIC MAPPING FROM 100-M SCALE RADAR IMAGES LEAVE OPEN WIDELY DIFFERING POSSIBLE HISTORIES. ONE OF THE MOST FUNDAMENTAL QUESTIONS IS WHETHER VENUS, OF SUCH SIMILAR SIZE AND PRESUMABLY HEAT BUDGET TO EARTH, HAS ONGOING VOLCANIC ACTIVITY. ORBITAL INFRARED MEASUREMENTS OFFER HINTS OF WEATHERING DIFFERENCES AMONG VOLCANIC FLOWS THAT COULD SUGGEST RECENT ACTIVITY, BUT MAPPING OF SURFACE CHANGE OVER TIME IS NEEDED TO PROVE THAT ERUPTIONS ARE ACTUALLY OCCURRING. EARTH-BASED RADAR MAPPING OFFERS THE ONLY CURRENT MEANS TO PROVIDE LONGTERM MONITORING OF MAJOR VOLCANIC PROVINCES ON VENUS. WE PROPOSE TO (1) RECOVER, CALIBRATE, AND MAP 1988 ARECIBO VENUS RADAR DATA WITH 1-2 KM SPATIAL RESOLUTION, AND ARCHIVE THESE DATA WITH THE PLANETARY DATA SYSTEM (PDS) TO PROVIDE THE START OF A LONG-TERM BASE FOR VENUS MONITORING, (2) REDUCE NEW VENUS OBSERVATIONS FROM THE 2012 OBSERVING OPPORTUNITY AND DELIVER THESE TO THE PDS, AND (3) PERFORM A COMPARISON BETWEEN THE 1988 AND 2012 IMAGES TO SEARCH FOR EVIDENCE OF SURFACE CHANGE. THE RESULTS WILL BE SCIENTIFICALLY SIGNIFICANT IN EITHER PROVIDING OUR FIRST DIRECT DETECTION OF RECENT VOLCANISM ON VENUS, OR IN PROVIDING A CONSTRAINT ON RESURFACING RATES IMPLIED BY NO FEW-KILOMETER SCALE SURFACE CHANGE OVER MAJOR REGIONS IN THIS 24-YEAR PERIOD.
  • $34,000 - Friday the 10th of July 2015
    National Aeronautics And Space Administration
    NASA SHARED SERVICES CENTER
    GEOLOGIC MAPPING IN SOUTHERN MARGARITIFER TERRA TO DETERMINE THE TIMING AND ORIGIN OF VALLEYS AND FANS THE PROPOSED WORK FOLLOWS PG&G AWARD NNG06GG27G TO THE PI WHICH WAS FOCUSED ON THE GRADATIONAL HISTORY OF MARS WITH EMPHASIS ON THE EVOLUTION OF DRAINAGE BASINS AND DRAINAGE NETWORKS. ALL ACTIVITIES RELATED TO THE PRIOR AWARD ARE COMPLETE AND DELIVERABLES INCLUDE THE RECENT SUBMISSION OF FOUR 1:500,000 GEOLOGIC MAPS OF MARGARITIFER TERRA COVERING HOLDEN CRATER, LADON VALLES, LADON BASIN, AND MORAVA VALLES. MAPPING WAS GEARED TOWARDS EVALUATING THE EVOLUTION OF MAJOR CHANNEL SYSTEMS IN THE CONTEXT OF OTHER REGIONAL GEOLOGIC ACTIVITY (IRWIN AND GRANT, 2010). IN ADDITION, MAPS REVIEWED UNDER A PRECEDING PGG AWARD ARE NOW PUBLISHED (GRANT ET AL., 2009). THREE PUBLICATIONS (BESIDES SUBMITTED MAPS) RELATED TO THE MOST RECENT PGG AWARD INCLUDE ONE RELATED TO THE GENERAL EVOLUTION AND CHARACTER OF THE AFOREMENTIONED DRAINAGE SYSTEMS (IRWIN AND GRANT, 2009) AND TWO FOCUSED ON HOLDEN CRATER (GRANT ET AL., 2008A; 2010A). WE PROPOSE TO CONTINUE THE INVESTIGATION OF GRADATIONAL PROCESSES ON MARS WHICH INVOLVES THREE RELATED TASKS. TASK 1 INVOLVES 1:500,000 MAPPING OF FOUR NEW QUADRANGLES IN MARGARITIFER TERRA (FIGURE 1) TO DEFINE THE EVOLUTION OF UZBOI VALLIS (CENTERED AT ~28 S, 323 E) AND ALLUVIAL DEPOSITS WITHIN NEARBY CRATERS TO DETERMINE WHETHER THEIR GEOLOGIC HISTORIES WERE SIMILAR/CONCURRENT WITH LACUSTRINE AND FLUVIAL ACTIVITY IDENTIFIED TO THE NORTH (IRWIN AND GRANT, 2010) AND EAST (GRANT ET AL., 2009). TASK 2 FOCUSES ON EVALUATING THE MORPHOLOGY AND DISTRIBUTION OF DEPOSITS WITHIN UZBOI VALLIS (AS MAPPED IN TASK 1) TO DETERMINE HOW THEY MAY RELATE TO PAST OCCURRENCE OF A LAKE (GRANT ET AL., 2010B). TASK 3 WILL DEFINE THE MORPHOMETRY OF CRATER-BOUND ALLUVIAL FANS (MAPPED IN TASK 1 AND ADJACENT AREAS) TO BUILD ON THE RESULTS OF PREVIOUS STUDIES (MOORE AND HOWARD, 2005; KRAAL ET AL., 2008; GRANT ET AL., 2010C) AND GLEAN ADDITIONAL INSIGHT INTO THE CLIMATE AND PRECIPITATION REGIME(S) IN WHICH THEY FORMED. SOME ASPECTS OF THESE TASKS COMPLEMENT, BUT IN NO WAY DUPLICATE, TASKS THE PI IS FUNDED FOR AS A MEMBER OF THE HIRISE SCIENCE TEAM.
  • $28,000 - Friday the 29th of January 2016
    National Aeronautics And Space Administration
    NASA SHARED SERVICES CENTER
    THE PROPOSED WORK WILL FOCUS ON HIGH-PRECISION CHRONOLOGY OF CA-AL-RICH INCLUSIONS, USING A COMBINATION OF MULTICOLLECTOR SIMS AND ICP-MS TO ACQUIRE CORRELATED INITIAL 26AL/27AL, 10BE/9BE, AND OXYGEN ISOTOPIC COMPOSITIONS, TOGETHER WITH ABSOLUTE PB-PB AGES FOR EACH OF A COLLECTION OF NEWLY-SEPARATED AND LARGE CAIS SAMPLED FROM THE CV3 METEORITES VIGARANO, EFREMOVKA, NWA 3118, AND ALLENDE. FOR ALL INCLUSION, DETAILED PETROLOGIC STUDIES (INCLUDING BULK COMPOSITIONS) WILL PROVIDE THE CONTEXT FOR CAREFUL SELECTION OF SAMPLES FOR ISOTOPIC ANALYSIS. NEW ANALYTICAL REFINEMENTS HAVE ALREADY ALLOWED US TO ACHIEVE A TIME RESOLUTION OF<30,000 YEARS FOR EARLY SOLAR SYSTEM PROCESSES VIA INITIAL 26AL/27AL. FOR ALL OF THE ANALYZED INCLUSIONS IN THIS CAI REFERENCE SUITE, WE PRESERVE SIGNIFICANT AMOUNTS OF EACH CAI FOR ALLOCATION AS REQUESTED TO THE SCIENTIFIC STUDY. A SECOND MAJOR TASK INVOLVES ANALYSIS OF TWO STARDUST REFRACTORY PARTICLES THAT BOTH APPEAR TO LACK ANY EVIDENCE OF EXTINCT 26AL, INCLUDING FURTHER REFINED EFFORTS TO SEARCH FOR EXTINCT RADIONUCLIDES, AND ALSO TRACE ELEMENT ANALYSES TO CONSTRAIN THE ENVIRONMENTS IN WHICH THESE TWO PARTICLES FORMED. ALL OF THESE STUDIES FURTHER ONE OF THE BASIC NASA SPACE SCIENCE MISSION THEMES: "TO UNDERSTAND ALL ASPECTS OF OUR SOLAR SYSTEM, ... AND SOLAR SYSTEM MATERIALS".
  • $2,278,491 - Thursday the 14th of June 2012
    US Coast Guard
    HQ CONTRACT OPERATIONS (CG-912)
    OPERATE AND MAINTAIN THE NATIONAL BALLAST INFORMATION CLEARINGHOUSE, AS MANDATED BY THE NATIONAL INVASIVE SPECIES ACT OF 1996, YEAR 1: 9-1-2011 THRU 8-31-2012 AAP# 16465 REPLACES HSCG23-06-R-MMS065
  • $215,054 - Tuesday the 10th of April 2012
    Bureau Of Ocean Energy Management
    HEADQUARTERS
    NT-09-01 SMITHSONIAN ARCHIVING
  • $176,700 - Thursday the 17th of May 2012
    Department Of Defense Education Activity
    DOD EDUCATION ACTIVITY
    VIRTUAL MUSEUM TOURS
  • $156,291 - Friday the 10th of July 2015
    National Aeronautics And Space Administration
    NASA SHARED SERVICES CENTER
    CLIMATE CHANGE IS FUNDAMENTALLY ALTERING THE PLANET'S ENVIRONMENT, INCLUDING INCREASED AIR AND OCEAN TEMPERATURES, MELTING GLACIERS AND ICECAPS, AND RISING SEA LEVELS. BY ALTERING THE ENVIRONMENT, CLIMATE CHANGE IS LIKELY TO HAVE PERVASIVE BUT CURRENTLY UNKNOWN IMPACTS ON THE STRUCTURE AND FUNCTIONING OF ECOSYSTEMS. COASTAL ZONES ARE PARTICULARLY SENSITIVE TO CLIMATE CHANGE GIVEN THAT THEY ARE GENERALLY WITHIN A FEW FEET OF SEA LEVEL. RECENT ESTIMATES CALL FOR A 33% LOSS OF COASTAL WETLANDS, INCLUDING SALT MARSHES AND MANGROVES, BY 2080 DUE TO RISING SEA LEVELS. COASTAL WETLANDS PROVIDE CRUCIAL ECOSYSTEM SERVICES, INCLUDING PROTECTION FROM LOCAL FLOODING, FILTRATION OF TERRESTRIAL RUNOFF, TOURISM, AND PROVISION OF HABITAT FOR DIVERSE MARINE VERTEBRATES AND INVERTEBRATES THAT SUPPORT LUCRATIVE FISHERIES. NEARLY 70% OF THE WORLD S POPULATION LIVES WITHIN 50 MILES OF THE SHORELINE, THUS THE LOSS OR DEGRADATION OF WETLAND SERVICES IS LIKELY TO HAVE SUBSTANTIAL IMPACTS ON HUMAN SOCIETIES. RESPONSES TO CLIMATE CHANGE ARE PREDICTED TO BE MOST SEVERE ALONG TRADITIONAL TRANSITIONAL ZONES. THUS, WE FOCUS ON THE CURRENT AND FUTURE DISPLACEMENT OF TEMPERATE CORDGRASS MARSHES BY EIGHT SPECIES OF INVADING MANGROVE TREES FROM LOWER LATITUDES IN SOUTHEASTERN NORTH AMERICA. CORDGRASS MARSHES ARE AMONG THE WORLD'S MOST PRODUCTIVE ECOSYSTEMS AND SUPPORT ECOLOGICALLY AND ECONOMICALLY IMPORTANT COMMUNITIES, YET IN BOTH NORTH AMERICA AND WORLDWIDE THEY ARE RAPIDLY BEING REPLACED BY TROPICAL AND SUBTROPICAL MANGROVES. WE HYPOTHESIZE THAT INTERACTIONS AMONG INCREASED AIR AND OCEAN TEMPERATURES, RISING SEA LEVELS, AND NUTRIENT OVER-ENRICHMENT ARE SHIFTING CORDGRASS MARSHES TO MANGROVE FORESTS AND CAUSING SUBSTANTIAL IMPACTS ON THE STRUCTURE AND FUNCTIONING OF COASTAL WETLANDS. OUR PRIMARY OBJECTIVES ARE TO: 1) LINK CLIMATIC AND BIOPHYSICAL OBSERVATIONS TO CHANGES IN THE DISTRIBUTION AND COMPOSITION OF SALT MARSH AND MANGROVE WETLANDS ACROSS SPATIALLY VARIABLE LANDSCAPES; 2) DETERMINE IMPACTS ON KEY ECOSYSTEM SERVICES; AND 3) MODEL FUTURE DISTRIBUTIONS OF SALT MARSH AND MANGROVE WETLANDS. FIRST, TO CREATE HISTORICAL TIME-SERIES OF MANGROVE AND SALT MARSH DISTRIBUTIONS FROM THE 1940 S TO THE PRESENT (CORRESPONDING WITH THE MOST RAPID INCREASES IN GLOBAL TEMPERATURE), WE WILL USE HIGH RESOLUTION AERIAL PHOTOGRAPHY ALONG WITH REMOTELY-SENSED MULTISPECTRAL HIGH-RESOLUTION SATELLITE (IKONOS, QUICKBIRD) AND LANDSAT IMAGERY TO RECREATE HISTORICAL PATTERNS OF SHORELINE VEGETATION. IN COMBINATION WITH PRECISION GPS SURVEYING OF FIXED LANDMARKS, WE CAN CORRELATE ECOLOGICAL SHIFTS IN WETLAND VEGETATION TO TEMPERATURE RECORDS, SEA LEVEL, AND ENVIRONMENTAL DISTURBANCE (BOTH ANTHROPOGENIC AND NATURAL). SPATIAL ANALYSIS USING GIS TOOLS WILL ALSO PERMIT DEVELOPMENT OF PREDICTIVE SEA-LEVEL RISE SCENARIOS (EAST-WEST CONTINUUM) AND ECOSYSTEM-REPLACEMENT SCENARIOS IN RESPONSE TO GLOBAL WARMING (NORTH-SOUTH CONTINUUM). IMPORTANTLY, WE WILL BE ABLE TO COMPLETE REMOTE-SENSING ANALYSES WHEREVER MANGROVES EXIST WORLDWIDE, ALLOWING US TO RAPIDLY DOCUMENT GLOBAL PATTERNS OF COASTAL SHORELINE TRANSFORMATION. TO DETERMINE HOW MANGROVE EXPANSION INTO SALT MARSHES AFFECTS ECOSYSTEM SERVICES, WE WILL CONDUCT FAUNAL AND VEGETATION SAMPLING ALONG A SALT MARSH-MANGROVE CHRONOSEQUENCE. STANDARD COMMUNITY STATISTICS WILL BE USED IN CONJUNCTION WITH STABLE ISOTOPIC ANALYSIS TO DETERMINE DIFFERENCES IN FOOD WEB STRUCTURE AND NUTRIENT DYNAMICS. FINALLY, WE WILL COMBINE NEW DATA WITH OUR EXISTING DATASETS ON MANGROVE DEMOGRAPHY TO PARAMETERIZE SPATIALLY-EXPLICIT, INDIVIDUAL-BASED MODELS (KIWI) SIMULATING THE GROWTH, ESTABLISHMENT, AND DEATH OF INDIVIDUAL TREES FOR EACH INVADING MANGROVE SPECIES. THESE MODELS WILL ALLOW US TO PREDICT THE FUTURE STRUCTURE, COMPOSITION, AND FUNCTION OF MANGROVE WETLANDS IN A CHANGING CLIMATE.
  • $151,292 - Friday the 10th of July 2015
    National Aeronautics And Space Administration
    NASA SHARED SERVICES CENTER
    CLIMATE CHANGE IS FUNDAMENTALLY ALTERING THE PLANET'S ENVIRONMENT, INCLUDING INCREASED AIR AND OCEAN TEMPERATURES, MELTING GLACIERS AND ICECAPS, AND RISING SEA LEVELS. BY ALTERING THE ENVIRONMENT, CLIMATE CHANGE IS LIKELY TO HAVE PERVASIVE BUT CURRENTLY UNKNOWN IMPACTS ON THE STRUCTURE AND FUNCTIONING OF ECOSYSTEMS. COASTAL ZONES ARE PARTICULARLY SENSITIVE TO CLIMATE CHANGE GIVEN THAT THEY ARE GENERALLY WITHIN A FEW FEET OF SEA LEVEL. RECENT ESTIMATES CALL FOR A 33% LOSS OF COASTAL WETLANDS, INCLUDING SALT MARSHES AND MANGROVES, BY 2080 DUE TO RISING SEA LEVELS. COASTAL WETLANDS PROVIDE CRUCIAL ECOSYSTEM SERVICES, INCLUDING PROTECTION FROM LOCAL FLOODING, FILTRATION OF TERRESTRIAL RUNOFF, TOURISM, AND PROVISION OF HABITAT FOR DIVERSE MARINE VERTEBRATES AND INVERTEBRATES THAT SUPPORT LUCRATIVE FISHERIES. NEARLY 70% OF THE WORLD S POPULATION LIVES WITHIN 50 MILES OF THE SHORELINE, THUS THE LOSS OR DEGRADATION OF WETLAND SERVICES IS LIKELY TO HAVE SUBSTANTIAL IMPACTS ON HUMAN SOCIETIES. RESPONSES TO CLIMATE CHANGE ARE PREDICTED TO BE MOST SEVERE ALONG TRADITIONAL TRANSITIONAL ZONES. THUS, WE FOCUS ON THE CURRENT AND FUTURE DISPLACEMENT OF TEMPERATE CORDGRASS MARSHES BY EIGHT SPECIES OF INVADING MANGROVE TREES FROM LOWER LATITUDES IN SOUTHEASTERN NORTH AMERICA. CORDGRASS MARSHES ARE AMONG THE WORLD'S MOST PRODUCTIVE ECOSYSTEMS AND SUPPORT ECOLOGICALLY AND ECONOMICALLY IMPORTANT COMMUNITIES, YET IN BOTH NORTH AMERICA AND WORLDWIDE THEY ARE RAPIDLY BEING REPLACED BY TROPICAL AND SUBTROPICAL MANGROVES. WE HYPOTHESIZE THAT INTERACTIONS AMONG INCREASED AIR AND OCEAN TEMPERATURES, RISING SEA LEVELS, AND NUTRIENT OVER-ENRICHMENT ARE SHIFTING CORDGRASS MARSHES TO MANGROVE FORESTS AND CAUSING SUBSTANTIAL IMPACTS ON THE STRUCTURE AND FUNCTIONING OF COASTAL WETLANDS. OUR PRIMARY OBJECTIVES ARE TO: 1) LINK CLIMATIC AND BIOPHYSICAL OBSERVATIONS TO CHANGES IN THE DISTRIBUTION AND COMPOSITION OF SALT MARSH AND MANGROVE WETLANDS ACROSS SPATIALLY VARIABLE LANDSCAPES; 2) DETERMINE IMPACTS ON KEY ECOSYSTEM SERVICES; AND 3) MODEL FUTURE DISTRIBUTIONS OF SALT MARSH AND MANGROVE WETLANDS. FIRST, TO CREATE HISTORICAL TIME-SERIES OF MANGROVE AND SALT MARSH DISTRIBUTIONS FROM THE 1940 S TO THE PRESENT (CORRESPONDING WITH THE MOST RAPID INCREASES IN GLOBAL TEMPERATURE), WE WILL USE HIGH RESOLUTION AERIAL PHOTOGRAPHY ALONG WITH REMOTELY-SENSED MULTISPECTRAL HIGH-RESOLUTION SATELLITE (IKONOS, QUICKBIRD) AND LANDSAT IMAGERY TO RECREATE HISTORICAL PATTERNS OF SHORELINE VEGETATION. IN COMBINATION WITH PRECISION GPS SURVEYING OF FIXED LANDMARKS, WE CAN CORRELATE ECOLOGICAL SHIFTS IN WETLAND VEGETATION TO TEMPERATURE RECORDS, SEA LEVEL, AND ENVIRONMENTAL DISTURBANCE (BOTH ANTHROPOGENIC AND NATURAL). SPATIAL ANALYSIS USING GIS TOOLS WILL ALSO PERMIT DEVELOPMENT OF PREDICTIVE SEA-LEVEL RISE SCENARIOS (EAST-WEST CONTINUUM) AND ECOSYSTEM-REPLACEMENT SCENARIOS IN RESPONSE TO GLOBAL WARMING (NORTH-SOUTH CONTINUUM). IMPORTANTLY, WE WILL BE ABLE TO COMPLETE REMOTE-SENSING ANALYSES WHEREVER MANGROVES EXIST WORLDWIDE, ALLOWING US TO RAPIDLY DOCUMENT GLOBAL PATTERNS OF COASTAL SHORELINE TRANSFORMATION. TO DETERMINE HOW MANGROVE EXPANSION INTO SALT MARSHES AFFECTS ECOSYSTEM SERVICES, WE WILL CONDUCT FAUNAL AND VEGETATION SAMPLING ALONG A SALT MARSH-MANGROVE CHRONOSEQUENCE. STANDARD COMMUNITY STATISTICS WILL BE USED IN CONJUNCTION WITH STABLE ISOTOPIC ANALYSIS TO DETERMINE DIFFERENCES IN FOOD WEB STRUCTURE AND NUTRIENT DYNAMICS. FINALLY, WE WILL COMBINE NEW DATA WITH OUR EXISTING DATASETS ON MANGROVE DEMOGRAPHY TO PARAMETERIZE SPATIALLY-EXPLICIT, INDIVIDUAL-BASED MODELS (KIWI) SIMULATING THE GROWTH, ESTABLISHMENT, AND DEATH OF INDIVIDUAL TREES FOR EACH INVADING MANGROVE SPECIES. THESE MODELS WILL ALLOW US TO PREDICT THE FUTURE STRUCTURE, COMPOSITION, AND FUNCTION OF MANGROVE WETLANDS IN A CHANGING CLIMATE.

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