Index by Project Number

• E001 Effect of nitrogen supply on ecosystem dynamics
• E002 Effect of nitrogen supply on ecosystem dynamics following disturbances
• E003 Effects of various nutrients on vegetation
• E004 Effects of nitrogen addition on large areas over a long period of time with natural herbivore

            levels
• E005 Effect of herbivores on vegetation treated with different N levels and the effect of N addition

            on herbivore populations
• E006 N mineralization rates at different levels of NH₄NO₃ addition
• E007 Deer and the growth and establishment of woody vegetation in old fields
• E008 Effect of N addition on vegetation with mammalian herbivory
• E009 Effect of N addition on vegetation with mammalian herbivory initially on disked ground
• E010 Herbivore effects on a large, unmanipulated area
• E011 Effects of nitrogen on vegetation under herbivore pressure
• E012 Effect of fire frequency on old-field vegetation
• E013 Blowdown and forest regeneration
• E014 Successional dynamics in a resampled chronosequence
• E015 Oak savanna prescribed burning experiment
• E016 Changes in plant productivity and species composition during old field succession due to the

            availability of soil nitrogen
• E017 Above-below ground relationships
• E018 Effect of soil nitrogen availability on the growth rates of different plant species
• E019 Effect of light availability on the growth rates of different plant species
• E020 The effect of nitrogen and light gradients on the growth rates of two plant species
• E021 The ability of species to invade an area with established individuals at different nitrogen levels
• E022 The competitive abilities of 4 species at different nitrogen levels
• E023 The seasonal effects of nitrogen addition in the spring on vegetation at differing times of the

            growing season
• E024 The effect of nitrogen addition and different pH levels on microorganism populations
• E025 The effects of adding different levels of nitrogen at different times during the growing season
• E026 Plant traits, successional status and resource reduction for five grass species grown in

            monoculture and competition in soils with different nitrogen availabilities
• E028 The effect of nitrogen addition on litter decomposition
• E029 Nitrogen mineralization study
• E030 The effect of nitrogen and light gradients on the growth rates of three plant species
• E031 Nitrogen mineralization for Experiment 020
• E032 Dynamics of vesicular-arbuscular mycorrhizae during old field succession
• E033 Plant and soil controls on mycorrhizal fungal communities
• E034 Fertilization and VA mycorrhizal effectivity
• E035 Woody plant growth in fields
• E036 The effect of nitrogen addition and light shading on vegetation under herbivore pressure
• E037 Biomass-available nutrient experiment
• E038 Schizachyrium scoparium nutrient uptake profiles
• E039 Plant thinning for intra and interspecific competition study
• E040 Relationship between biomass allocation patterns and relative growth rates
• E041 Optimal root/shoot allocation behavior in response to relative rates of supply of root (N) and

            shoot (light) resources
• E042 Biomass allocation trends in old field in relation to gradients of successional age and soil

            nitrogen
• E043 Below ground biomass allocation
• E044 Successional patterns of microbial biomass production
• E045 Special patterns of nitrogen cycling
• E046 Plant-microbe competition for inorganic nitrogen in a fifty year old-field
• E047 Kinetic rate constants for experiment 44: a lab study
• E048 Rates of decomposition through an old field succession
• E049 Patterns of N mineralization and nitrification as influenced by a topographic gradient
• E050 Photosynthesis rates under different nitrogen and light levels
• E051 Nutrient uptake and photosynthesis rates of grasses
• E052 Interactive effects of fertility and distribution on competition and plant community structure
• E053 Components of plant competition along an experimental gradient of nitrogen availability
• E054 Biomass productivity of old fields of varying ages
• E055 Plant competition under nitrogen levels:  a garden experiment
• E056 Uptake and allocation:  a 15N study
• E057 The effect of burning on large areas of vegetation which are subjected to herbivory and

            various amounts of added nitrogen
• E058 Big and little bluestem invasion in a seven year old field
• E059 Big and little bluestem invasion experiment
• E060 Vegetation and phenology and grasshopper competition
• E061 Bird predation, grasshopper dynamics, and plant structure
• E062 Selective herbivory and plant allocation
• E063 Legume survey in experimental plots
• E064 Effects of deer and pocket gophers on vegetation and soils
• E065 Forest deer exclosures near Cornea cabin
• E067 Seed mass and dispersal mode of common plants at CCNHA
• E069 Tree competition experiment
• E070 Legume competition garden
• E071 Mechanisms of grasshopper-plant interactions
• E072 Litter and root decomposition experiment
• E073 Fertilization and removal experiment
• E075 The ability of grasshopper species to eat and assimilate different plant species
• E076 Poa project - variation in competition intensity with productivity: a collaborative proposal
• E077 Long-term grasshopper/plant interactions
• E080 Meteorologic measurements at CCNHA
• E081 Atmospheric deposition - wet and dry at CCNHA
• E082 Productivity, Organic Matter Dynamics and Nutrient Dynamics in Forests of CCNHA
• E083 ARC/INFO GIS layers for CCNHA
• E084 Groundwater dynamics and chemistry
• E085 Plant colonization and species diversity in an old field
• E086 The diversity and abundance of prairie plant communities
• E087 LTER intersite decomposition study
• E088 Litter quality and landscape controls of decomposition
• E090 The effect of removing particular grasshopper species from a community with neutral

            grasshopper densities
• E091 The effect of seed addition on biodiversity in an oak savanna
• E092 Effects of density and spacing of pocket gopher mounds on recruitment of grasshoppers
• E093 Soil heterogeneity and plant diversity in an oak savannah
• E094 Fire, topography and succession in oak savannas/woodlands
• E095 Woody and herbaceous response to nitrogen fertilization
• E096 Successional dynamics and tree invasion
• E097 Ecosystem recovery following cessation of N addition
• E098 Effect of burning on old-field vegetation that receives variable amounts of nitrogen
• E099 Total C and N storage along wetland-upland gradients
• E100 Effect of fire and productivity on old-field vegetation
• E101 Litter removal and addition study on germination and establishment of savannah species
• E102 The impact of litter removal and burning on dominance and diversity across a nutrient

            gradient
• E103 Nitrogen-herbivory factorial
• E104 Nitrogen gradient
• E105 Nitrogen gradient with seed addition
• E106 Soil heterogeneity gradient
• E110 Effect of drought on species diversity in old field grasslands
• E111 Experimental studies of traits of dominant plant species
• E112 Seedling addition experiment in field D
• E113 Seed addition in Lawrence strips
• E115 Addition of Schizachyrium scoparium seeds to the Lawrence strips
• E120 Biodiversity experiment: species and functional diversity
• E122 Insect Survey
• E123 Biodiversity, productivity, and nutrient dynamics
• E125 Seed and seedling dynamics of oak savanna regeneration/effects of fires regimes on seed and

            seedling dynamics
• E133 Fire effects on structure and function of oak savannas/woodlands
• E135 Effects of oak canopy on spatial heterogeneity of resources and subsequent impact on plant

            communities
• E138 Primary productivity and the geometry of gopher burrow systems
• E139 Effects of vertebrate predators on arthropods and prairie plants
• E141 Diversity, Elevated CO₂, and N Enrichment
• E142 Effects of long term fertilization and oak canopy cover on plant communities and ecosystem

            processes
• E143 Demonstration study of oak savanna restoration techniques

webmaster@lter.umn.edu