1995 VCR/LTER Research Summaries : Compilation of Past Year's Research (1994).

Note to authors: send any corrections to Dave Richardson; dlr2n@virginia.edu .

Table of Contents

Major Sections:

• Landscape Character and Evolution

• Sediment Transport Studies

• Innundation & Land Margin Studies

• Microbial Ecology

• Isotopic Studies

• Marsh Chronosequence Research

• Hog Island Terrestrial Chronosequence

• Marsh Nutrient Pools and Fluxes

• Populations and Communities

• Nutrient Sources

Section Contents:

• OVERVIEW OF HYDROGEOMORPHOLOGY AND VEGETATION RELATIONSHIPS AT TOPOGRAPHICALLY NESTED WASHOVER SITES, SOUTHERN PARRAMORE ISLAND Craig Kochel, Jon Bernsten and C. Randy Carlson (65K w/images)
  
  
• MORPHOLOGIC AND HYDROLOGIC VARIATIONS AT A HIGH-ELEVATION WASHOVER SITE, SOUTHERN PARRAMORE ISLAND Noah Daniels and Craig Kochel
  
  

• SEDIMENT DEPOSITION AND EROSION ON A SALT MARSH Trine Christiansen
  
  
• ENVIRONMENTAL CONTROLS AFFECTING SALT MARSH TIDAL INUNDATION Ben Clark and Pat Wiberg
  
  

• OVERVIEW OF THE MAINLAND MARSH INUNDATION EXPERIMENT Robert R. Christian (5 K)
  
  
• THE EFFECT OF INCREASED TIDAL INUNDATION AND THE PRESENCE OF WRACK ON DENITRIFICATION AND NITRIFICATION IN A SALT MARSH James H. Taylor (6 K)
  
  
• EFFECTS OF TIDAL INUNDATION ON THE GROWTH OF THE RUSH JUNCUS ROEMERIANUS Patty Tolley (7 K)
  
  
• THE NATURE OF THE TRANSITION BETWEEN HIGH MARSH AND UPLAND. Joseph I. Hmieleski & Mark M. Brinson. (116 K w/ images)
  
  
• SEASONAL RATES OF NITROGEN FIXATION BY TERMITES IN A TIDAL WETLAND FOREST AT THE VCR. D. Waller & A. Curtis. (2 K)
  
  
• THE EFFECTS OF DIETARY NITROGEN ON NITROGEN FIXATION RATES IN RETICULITERMES (ISOPTERA) TERMITES. A.D. Curtis & D. Waller. (2 K)

• OVERVIEW: RELATIVE IMPORTANCE OF TOP-DOWN VS. BOTTOM-UP CONTROLS ON MICROBIAL ACTIVITIES IN VCR LTER ESTUARIES Linda K. Blum
  
  
• MICROBIAL METABOLISM AND ACETATE CONCENTRATION IN PHILLIPS CREEK MARSH SEDIMENTS Rebecca Tirrell and Linda K. Blum (4 K + images)
  
  
• PROTOZOAN GRAZING AS AN IMPORTANT CARBON AND ENERGY FROM BACTERIA TO HIGHER TROPHIC LEVELS Karen W. Wu and Linda K. Blum (4 K + images)
  
  
• EFFECTS OF INUNDATION FREQUENCY ON THE RELATIVE SUSCEPTIBILITY OF SEDIMENT PORE WATER DISSOLVED ORGANIC MATERIAL TO METABOLISM BY MICROORGANISMS Jennifer D. Aiosa and Linda K. Blum (4 K + images)
  
  

• ISOTOPES IN ECOSYSTEM STUDIES Steve Macko
  
  
• TRACING EARLY DIAGENESIS OF PLANT ORGANIC MATTER THROUGH COMPOUND-SPECIFIC ISOTOPIC ANALYSIS Mary Jo Geyer
  
  
• A STABLE ISOTOPIC ASSESSMENT OF INORGANIC NITROGEN INPUT TO THE GROUNDWATER NEAR AN AGRICULTURAL AREA OF EASTERN VIRGINIA Rob Tapper
  
  
• USE OF STABLE NITROGEN ISOTOPES TO TRACE ANTHROPOGENIC FERTILIZERS THROUGH THE UNSATURATED ZONE AT A SALT MARSH AGRICULTURAL FIELD Ben McConnell
  
  
• A STABLE CARBON AND NITROGEN STUDY OF MARSH SEDIMENTS, CATTLESHED CREEK Heather Quinley
  
  

• THE DIEOUT OF ZOSTERA MARINA ON THE SEASIDE OF THE EASTERN SHORE OF VIRGINIA Jennifer Taylor. (2 K)
  
  
• SUBSURFACE HYDROLOGY, NUTIENT FLUX, AND SPARTINA ALTERNIFLORA PRODUCTION IN A DEVELOPING BARRIER ISLAND MARSH. D.T. Osgood and J.C. Zieman. (4 K)
  
  
• CHANGES OF VIRGINIA BARRIER ISLANDS 1852/1871 - 1993. Shao Guofan (2 K + images)
  
  
• THE EVOLUTION OF MACROINVERTEBRATE ASSEMBLAGES ALONG AN OVERWASH MARSH CHRONOSEQUENCE. John Walsh. (68 K w/ images)

• BELOWGROUND PROCESSES ACROSS THE HOG ISLAND CHRONOSEQUENCE. Frank P. Day and Christine E. Conn. (5 K)
  
  
• ABOVEGROUND BIOMASS AND NET PRIMARY PRODUCTION ALONG THE HOG ISLAND CHRONOSEQUENCE. John J. DiLustro and Frank P. Day. (2 K)
  
  
• MINIRHIZOTRON STUDIES: The Effect of Nitrogen Fertilization on Root Phenology on Hog Island Dunes. Rett Weber and Frank Day. (2 K)
  
  
• SHRUB THICKET DYNAMICS AND UNDERLYING MECHANISMS RELATIVE TO BARRIER ISLAND SUCCESSIONAL PROCESSES Donald R. Young (10 K w/images)
  
  
• SPATIAL VARIATIONS IN SHRUB THICKET GAP CHARACTERISTICS ON HOG ISLAND. Edward R. Crawford and Donald R. Young (18 K w/images)
  
  
• SPATIAL/TEMPORAL SALINITY CHARACTERISTICS OF HOG ISLAND AND THE SMALL-SCALE DISTRIBUTION OF JUNIPERUS VIRGINIANA IN RESPECT TO SALINITY David W. Martin and Donald R. Young (23 K w/images)
  
  

• Nitrogen Processing in Salt Marsh Sediments: Implications for Net Marsh DIN Flux Iris Cofman Anderson and Craig R. Tobias (6 K + images)
  
  
• EXCHANGES OF DIN AND DOC BETWEEN SALT MARSH SEDIMENTS AND OVERLYING TIDAL WATER. Berry, B. E., I. C. Anderson, and R. L. Wetzel. (2 K + images)
  
  
• NUTRIENT AND OXYGEN EXCHANGES BETWEEN SEDIMENTS AND WATER NEAR NORTHERN HOG ISLAND Susan Dailey (23 K w/images)
  
  

• ALLOZYMIC VARIATION WITHIN AND AMONG MAINLAND AND INSULAR POPULATIONS OF MARSH RICERATS (Oryzomys palustris) AND WHITE-FOOTED MICE (Peromyscus leucopus). J. Loxterman, N. Moncrief, and R. Dueser. (14 K)
  
  
• SEASONAL AND SPATIAL DISTRIBUTION OF HIGH MARSH FISHES AT THE VIRGINIA COAST RESERVE. David J. Yozzo. (6 K)
  
  
• WILL THE TIDE TERN? Rising Sea Levels, Invasive Species, Agricultural Pesticides, and Nesting Gull-billed Terns. R. Michael Erwin, John G. Haig, Daniel B. Stotts, Barry Truitt, and C. Randolph Carlson. (9 K)
  
  
• SMALL-MAMMAL POPULATIONS ON HOG ISLAND 1990-1994: Effects of the Halloween Storm and Seasonal Differences John Porter and Raymond Dueser (2K + images)
  
  
• PLANT SPECIES DIVERSITY AND OVERWASH PROBABILITIES Bruce Hayden
  
  
• PERMANENT VEGETATION MONITORING PLOTS ON PARRAMORE ISLAND: Attributes and Analysis Direction. David L. Richardson, John H. Porter, and H. H. Shugart. (6 K + 127 K of images)
  
  
• UCA, MACROPORES, AND SHIFTING SPARTINA ECOTONES David E. Smith and Sean Creagan
  
  

• NITROGEN FIXATION BY MYRICA Donald R. Young
  
  
• ATMOSPHERIC DEPOSITION OF INORGANIC NITROGEN TO HOG ISLAND William C. Keene and James N. Galloway. (12 K + 36 K of images)
  
  
• RAINWATER NUTRIENT EXCHANGES BETWEEN A PARRAMORE PIMPLE AND ITS SURROUNDING MARSH. Leif Riddervold and Tanya Furman. (4 K)
  
  
• GROUNDWATER TRANSPORT OF MICROBES AND CHEMICALS Aaron Mills