| N AVAILABILITY | 29 Land-use change and soil C and N concentrations, soil respiration, and N availability.
land-use change, soil respiration, N availability, carbon
 FULL ABSTRACT |
| N AVAILABILITY | 110 Variation in soil nitrogen availability affects leaf characteristics and photosynthesis of Japanese barberry (Berberis thunbergii) .
Berberis thunbergii, invasions, N availability, photosynthesis
FULL ABSTRACT |
| N CYCLING | 127 Influence of fire exclusion on stand structure and nitrogen cycling in Ponderosa pine/Douglas-fir forests of western Montana.
Allelopathy, N cycling, Water availability, Fire exclusion
FULL ABSTRACT |
| N DEPOSITION | Effect of N additions and host tree phenology on population dynamics of fruit-tree leafroller on oak during outbreak conditions.
N deposition, Archips argyrospilus, Quercus kellogii
FULL ABSTRACT |
| N DEPOSITION | Simulation of increased N deposition to small mountain lakes, Snowy Range, Wyoming.
N deposition, mountain lakes, mesocosm, algae
FULL ABSTRACT |
| N DYNAMICS | Comparison of N dynamics in soil between dry dipterocarp forest and dry evergreen forest in central Thailand.
N dynamics, dry tropical forest, available N , extractable C
FULL ABSTRACT |
| N MINERALIZATION | Is prescribed fire effective in restoring eastern forest soils under heavy atmospheric N loading?
restoration, deciduous forest, N mineralization, soil enzyme activity
FULL ABSTRACT |
| N RETENTION | Long-term redistribution of 15N tracers used to assess C/N interactions in vegetation, soil, and woody debris under varying N inputs in two temperate forests.
15N tracers, Harvard Forest, C sequestration, N retention
FULL ABSTRACT |
| N UPTAKE AND ALLOCATION | 88 Growth, nitrogen uptake and allocation responses of six temperate tree species to elevated CO2 .
elevated CO2, N uptake and allocation, broad leaf species, conifers
FULL ABSTRACT |
| N-CYCLING | 54 Nitrogen additions and freeze-thaw events influence Nitrogen cycling in the boreal forest.
boreal, soil, N-cycling, microbial
FULL ABSTRACT |
| N-FIXATION | Nitrogen budgets in Sierran Forests: Relative roles of atmospheric deposition, fire and nitrogen fixation.
Nitrogen, Snowmelt, Fire, N-fixation
FULL ABSTRACT |
| NCEAS | 17 A distributed multidisciplinary graduate training seminar: a model for biocomplexity research.
biocomplexity, ecoinformatics, grassland, NCEAS
FULL ABSTRACT |
| NDVI | Temporal Characteristics of AVHRR-NDVI for the Arctic Tundra in Northern Alaska, 1990-1999.
NDVI, Arctic tundra, Alaska, Temporal change
FULL ABSTRACT |
| NDVI | 86 Spatio-temporal dynamics of vegetation and precipitation in the Nebraska Sand Hills.
NDVI, space-time analysis, landscape ecology, grasslands
FULL ABSTRACT |
| NDVI | 87 Correlation of NDVI and topographic indices in a rugged mountain area of Korea.
NDVI, Correlation analysis, Topographic index, Remote Sensing
FULL ABSTRACT |
| NEE | Seasonal and interannual variations in ecosystem water and carbon fluxes in Florida scrub oak .
eddy covariance, carbon exchange, NEE, Florida scrub oak
FULL ABSTRACT |
| NIRS | Determination of ash and nitrogen concentration of decomposing woody roots by near infrared reflectance spectroscopy.
NIRS, woody roots, ash , nitrogen
FULL ABSTRACT |
| NSF GK–12 TEACHING FELLOWS | 18 Impact of NSF GK–12 TIGERs Fellows on science education in the middle grades of West Virginia Schools.
Science education, NSF GK–12 Teaching Fellows
FULL ABSTRACT |
| NWI | 97 Assessment of habitat availability for Boltonia decurrens, a threatened floodplain species, using a GIS.
Boltonia decurrens, threatened, Illinois River, NWI
FULL ABSTRACT |
| NATIVE AMERICANS | 150 Influences of Native Americans and surveying irregularities on metes and bounds witness tree distribution.
witness trees, Native Americans, presettlement forests, surveyor biases
FULL ABSTRACT |
| NATURAL RANGE OF VARIABILITY | Climate determinants of fire regimes in the Greater Yellowstone Ecosystem.
Fire ecology, Climate change, Greater Yellowstone Ecosystem, Natural range of variability
FULL ABSTRACT |
| NEBRASKA SANDHILLS | 139 Experimental pine forests in the Nebraska Sandhills: interactions between canopy density, climate and water stress .
Ponderosa pine, Nebraska Sandhills, water stress, canopy density
FULL ABSTRACT |
| NEEDLE RETENTION | 6 Growth dynamics, needle morphology, and needle retention on white spruce in three Alaskan mountain ranges.
Treeline, Needle retention, Picea glauca
FULL ABSTRACT |
| NEO-EXTINCTIONS | Cubagua's pearl-oyster beds: The first depletion of a natural resource by Europeans in the American continent.
Neo-extinctions, Pinctada imbricata, Cubagua, Venezuela
FULL ABSTRACT |
| NEOTROPICAL | 155 Bird populations relating to overstory vegetation and canopy cover along the Yellow River floodplain in central Wisconsin.
Neotropical , floodplain, Yellow River, Wisconsin
FULL ABSTRACT |
| NEOTROPICAL PSYCHOTRIA | Morpho-physiological responses of nine neotropical shrubs to contrasting light and water regimes in Panama.
ligth interception, hydraulic conductance, Neotropical Psychotria, crown architecture
FULL ABSTRACT |
| NEOTROPICAL FLOODPLAIN RIVER | Assembly of fishes and macroinvertebrates in a large neotropical floodplain river: The role of structural habitat complexity.
Assemblage structure, Habitat complexity, Neotropical floodplain river, Fishes
FULL ABSTRACT |
| NET ECOSYSTEM EXCHANGE | 9 Modeling of forest/atmosphere carbon fluxes in a Colorado subalpine ecosystem.
modeling, Net Ecosystem Exchange, subalpine forest, seasonal variability
FULL ABSTRACT |
| NET ECOSYSTEM PRODUCTION (NEP) | 139 Carbon Dynamics of a Mid-Latitude Deciduous Forest: A Three-year Interannual Comparison.
Carbon , Carbon Sequestration, Deciduous Forest, Net Ecosystem Production (NEP)
FULL ABSTRACT |
| NETWORK | Marine parks and management areas:A networking scheme.
Marine Parks, Management-Exploitation Areas, Network, Ecology-Conservation
FULL ABSTRACT |
| NEW HAMPSHIRE | 21 Distribution, composition, and age structure of black gum (Nyssa sylvatica) swamps in New Hampshire.
Nyssa sylvatica, black gum, old-growth, New Hampshire
FULL ABSTRACT |
| NITRATE | 40 Soil nitrate and ammonium through 2 years of selective herbivory and chronic nitrogen enrichment.
Nitrate, Ammonium, Herbivory, Soil
FULL ABSTRACT |
| NITROGEN CYCLING | 41 Land management and soil composition effects on vegetation and nitrogen dynamics in Ft Benning, Georgia.
Forest Disturbance, Nitrogen Cycling
FULL ABSTRACT |
| NITROGEN DEPOSITION | Plant species and functional group diversity influence ecosystem responses to elevated CO2 and nitrogen deposition .
Biodiversity, Global Change, Elevated CO2, Nitrogen Deposition
FULL ABSTRACT |
| NITROGEN | Nitrogen budgets in Sierran Forests: Relative roles of atmospheric deposition, fire and nitrogen fixation.
Nitrogen, Snowmelt, Fire, N-fixation
FULL ABSTRACT |
| NITROGEN | 39 Foliage produced under FACE experiments have lower  15N compared to ambient plants.
Elevated CO2, Stable isotopes, Nitrogen
FULL ABSTRACT |
| NITROGEN | 119 The effects of harvester ants on nitrogen storage in Mojave Desert soils.
Deserts, Soils, Nitrogen, Ants
FULL ABSTRACT |
| NITROGEN | Spatio-temporal patterns of available N and P after whole-tree harvest and girdling.
Spatio-temporal Patterns, Nitrogen, Phosphorus , Disturbance
FULL ABSTRACT |
| NITROGEN | 69 Light and CO2 photosynthetic responses of 4 south American grasses grown under different levels of soil nitrogen availability.
Apparent quantum yeild, Nitrogen, Photosynthesis
FULL ABSTRACT |
| NITROGEN | Litter layer nitrogen release in fertilized and unfertilized Pinus taeda L. stands in southeastern Georgia.
Nitrogen, Litter layer, Fertilizer, Pinus taeda
FULL ABSTRACT |
| NITROGEN | 120 Harvester ants and soil nutrients: Effects of colony age and size on nitrogen storage.
Deserts, Soils, Nitrogen, Ants
FULL ABSTRACT |
| NITROGEN | Stoichiometric equilibration of N and P losses over four million years of tropical forest development.
Forested ecosystems, Tropical forests, Nutrient losses, Nitrogen, Phosphorus
FULL ABSTRACT |
| NITROGEN | Nitrous oxide (N2O) emission from drainage waters of an intensively farmed, subtropical valley.
Nitrous Oxide, Nitrogen, Agricultural impacts, Subtropics
FULL ABSTRACT |
| NITROGEN CYCLE | Sphagnum moss responses to atmospheric nitrogen deposition: a conceptual model.
Sphagnum mosses, Nitrogen cycle, Atmospheric nitrogen deposition, Northern peatlands
FULL ABSTRACT |
| NITROGEN IMMOBILIZATION | 63 Evaluating nitrogen immobilization for the restoration of cheatgrass (Bromus tectorum L.) infested rangeland.
Nitrogen immobilization, restoration, Bromus tectorum, Elymus elymoides
FULL ABSTRACT |
| NITROGEN PULSES | Consequences of resourse pulse use in an herbaceous desert perennial.
Crypthantha flava, Nitrogen pulses, Resource use, Demography
FULL ABSTRACT |
| NITROUS OXIDE | Nitrous oxide (N2O) emission from drainage waters of an intensively farmed, subtropical valley.
Nitrous Oxide, Nitrogen, Agricultural impacts, Subtropics
FULL ABSTRACT |
| NIWOT RIDGE | 83 Phosphatase activity along an alpine age and nutrient gradient.
phosphatase, phosphorus availability, soil age gradient, Niwot Ridge
FULL ABSTRACT |
| NON-LINEAR RESPONSE | Landscape characteristics can define disturbance response thresholds in arid and semiarid ecosystems: Three case studies.
Nutrient cycles, Non-linear response, Disturbance, Human influence
FULL ABSTRACT |
| NORTH AMERICA | Late-Quaternary land cover change in boreal and eastern North America.
land cover, Quaternary, North America, pollen
FULL ABSTRACT |
| NORTH CAROLINA | 141 Longleaf pine gap dynamics on a North Carolina flatwoods site.
Pinus palustris, regeneration, North Carolina, fire
FULL ABSTRACT |
| NORTHERN HARDWOOD FOREST | Indirect effects of forest disease on herbaceous plant diversity.
herb diversity, exotic disease, Fagus grandifolia, Northern hardwood forest
FULL ABSTRACT |
| NORTHERN PEATLANDS | Sphagnum moss responses to atmospheric nitrogen deposition: a conceptual model.
Sphagnum mosses, Nitrogen cycle, Atmospheric nitrogen deposition, Northern peatlands
FULL ABSTRACT |
| NORTHWEST TERRITORIES | 109 Physical, chemical, and biological characteristics of barrenland tundra streams of the Northwest Territories.
Arctic grayling, benthic invertebrates, Northwest Territories, tundra streams
FULL ABSTRACT |
| NORWAY MAPLE | 59 Introduced tree species in urban woodlands in Worcester, Massachusetts.
urban woodlands, introduced trees, Norway maple, Acer platanoides
FULL ABSTRACT |
| NORWAY SPRUCE AT SOLLING | Simulation of soil carbon dioxide efflux in a mature temperate spruce forest from 1975 to 1999.
Soil respiration, CO2 efflux, Ecological modeling, Norway spruce at Solling
FULL ABSTRACT |
| NUTRIENT ADDITION | Multiple limiting soil resources in a California grassland.
Resources, Grassland, Invasive, Nutrient addition
FULL ABSTRACT |
| NUTRIENT COMPETITION | Nutrient competition in a diffuse knapweed (Centaurea diffusa) -invaded prairie.
Centaurea diffusa, Invasive species, Nutrient cycling, Nutrient competition
FULL ABSTRACT |
| NUTRIENT CYCLES | Landscape characteristics can define disturbance response thresholds in arid and semiarid ecosystems: Three case studies.
Nutrient cycles, Non-linear response, Disturbance, Human influence
FULL ABSTRACT |
| NUTRIENT CYCLING | 53 Nutrient dynamics in litterfall and decomposition leaf litter in a mixed hardwood forest ecosystem, Korea.
Litterfall, Litter decomposition, Nutrient cycling, Nutrient dynamics
FULL ABSTRACT |
| NUTRIENT CYCLING | Nutrient competition in a diffuse knapweed (Centaurea diffusa) -invaded prairie.
Centaurea diffusa, Invasive species, Nutrient cycling, Nutrient competition
FULL ABSTRACT |
| NUTRIENT DYNAMICS | 53 Nutrient dynamics in litterfall and decomposition leaf litter in a mixed hardwood forest ecosystem, Korea.
Litterfall, Litter decomposition, Nutrient cycling, Nutrient dynamics
FULL ABSTRACT |
| NUTRIENT LOSSES | Stoichiometric equilibration of N and P losses over four million years of tropical forest development.
Forested ecosystems, Tropical forests, Nutrient losses, Nitrogen, Phosphorus
FULL ABSTRACT |
| NUTRIENTS | Processes regulating threshold effects along environmental gradients.
Thresholds, Nutrients, Algae
FULL ABSTRACT |
| N2O FLUXES | 2 Mechanistic modeling of nitrification, denitrification, soil hydrology, and N losses in an agricultural system.
n2o fluxes, no fluxes, nitrite accumulation
FULL ABSTRACT |
| NATALITY | Density, natality, and mortality of Atta cephalotes colonies in relation to soil type and vegetation at La Selva Biological Station, Costa Rica.
Atta cephalotes, population density, mortality, natality
FULL ABSTRACT |
| NATIONAL PARK | Invasive grasses, fire, and nitrogen cycling: applications of basic research in Hawaii Volcanoes National Park.
fire, nitrogen, biological invasions, national park
FULL ABSTRACT |
| NATIONAL PARKS | Supporting basic research in national parks.
national parks, science support, research
FULL ABSTRACT |
| NATIVE SPECIES CONSERVATION | Climate change and implications for the recovery of greenback cutthroat trout in Colorado.
climate warming, native species conservation, thermal preferences
FULL ABSTRACT |
| NATIVE SPECIES RECRUITMENT | Developing a predictive framework for the restoration of Midwestern prairie-savanna plant communities.
floristic qualitic index, burn timing, exotic species control, native species recruitment
FULL ABSTRACT |
| NATURAL AREAS | Effects of altered disturbance in plant communities: Fire suppression in a mixed-conifer forest, montane grassland and oak savanna.
disturbance ecology, fire suppression, natural areas
FULL ABSTRACT |
| NATURAL AREAS | 47 Invasibility of endogenous and exotic disturbances in mixed-grass prairie.
natural areas, invasive plants, prairie, disturbance
FULL ABSTRACT |
| NATURAL ENEMIES | Aphid individual, population and natural enemy responses to elevated CO2 or O3.
aphids, natural enemies, co2, o3
FULL ABSTRACT |
| NATURAL ENEMIES | Test of the release from natural enemies hypothesis using the invasive tropical shrub Clidemia hirta.
Clidemia hirta, Hawaii, invasive species, natural enemies
FULL ABSTRACT |
| NATURAL ENEMIES HYPOTHESIS | Effect of escape from natural enemies on invasion success of a grassland plant.
biological invasion, herbivory, disease, natural enemies hypothesis
FULL ABSTRACT |
| NATURAL FLOW REGIME | Disturbance theory and restoration of natural flow regimes.
natural flow regime, stage structured model, invasive species, disturbance
FULL ABSTRACT |
| NATURAL INVASION | 68 Low natural invasion rate of woodland species onto West Virginia strip-mined lands.
strip-mining, natural invasion
FULL ABSTRACT |
| NATURAL SELECTION | Spatial, but not temporal, variation in phenotypic selection on floral traits of Lobelia siphilitica.
natural selection, floral traits, Lobelia siphilitica
FULL ABSTRACT |
| NATURAL VEGETATION | 121 Mapping the potential distribution of native plant communities in the Northern Superior Uplands, Minnesota, USA.
ecological classification, natural vegetation, presettlement vegetation, vegetation change
FULL ABSTRACT |
| NATURALIZATION | Predicting communities vulnerable to plant invasions.
invaders, immigrants, naturalization, invasions
FULL ABSTRACT |
| NATURALIZATION | Dampening environmental stochasticity among immigrant plants: The role of cultivation.
invasions, naturalization, environmental stochasticity, cultivation
FULL ABSTRACT |
| NATURE RESERVE | Conserving regional biodiversity across landscapes and habitats: role of reserves, rural lands, and suburbs.
regional biodiversity, nature reserve, suburban landscape, conservation
FULL ABSTRACT |
| NEARCTIC EARTHWORMS | 41 Isotopic analysis of native and exotic earthworm feeding ecology in a Kansas tallgrass prairie .
nearctic earthworms, exotic earthworms, grasslands, carbon 13
FULL ABSTRACT |
| NECTAR-ROBBING | Nectar-robbing bumblebees reduce pollen flow and geitonogamy in a hummingbird-pollinated plant.
nectar-robbing, pollination, Ipomopsis aggregata, geitonogamy
FULL ABSTRACT |
| NECTAR-ROBBING | A comparison of costs inflicted and benefits given by floral visitors to Chilopsis linearis.
mutualism, nectar-robbing, pollination, stigma closure
FULL ABSTRACT |
| NECTARY | Exotic ant meets native mutualism: Solenopsis wagneri and the insectary - plant Catalpa bignonioides (Bignoniaceae).
mutualism , catalpa , solenopsis, nectary
FULL ABSTRACT |
| NEEDLE TRAITS | 89 Biogeographic variation in jack pine in contrasting climates: Implications for tree response to global change.
jack pine, biogeography, climate change, needle traits
FULL ABSTRACT |
| NEIGHBORHOOD | 17 Neighborhood effects on litter production.
neighborhood, litter, tropical, forests
FULL ABSTRACT |
| NEOTROPICAL DEFAUNATION | Studies on the alteration of neotropical forest understories due to mammalian defaunation: experimental approaches and a model of the possible underlying mechanisms.
plant-animal interactions, neotropical defaunation
FULL ABSTRACT |
| NEOTROPICAL FISH | Seasonal and habitat influences on fish communities within the lower Yasuni River Basin, Eastern Ecuador.
community ecology, neotropical fish, Amazon, Yasuni River
FULL ABSTRACT |
| NEOTROPICAL MIGRANT BIRD | 152 Population growth indicates forest habitat quality for three species of neotropical migrant songbirds.
population growth, neotropical migrant bird, habitat quality, nest productivity
FULL ABSTRACT |
| NEOTROPICAL MIGRANT SONGBIRDS | Landscape composition modulates the effects of forest fragmentation: consequences for breeding Ovenbirds.
landscape composition, forest fragmentation, neotropical migrant songbirds, ovenbird (Seiurus aurocapillus)
FULL ABSTRACT |
| NEOTROPICAL MIGRATORY BIRDS | 158 Birds and hedgerows at two spatial scales in an agricultural landscape of Guanajuato, Mexico.
landscape ecology, geographic information systems, neotropical migratory birds, hedgerows
FULL ABSTRACT |
| NEOTROPICAL RAINFOREST | 78 Landuse signatures by prehistoric human populations in an old growth rainforest.
soil charcoal, soil phosphorus, neotropical rainforest, human activity
FULL ABSTRACT |
| NEOTROPICS | 2 The impact of environmental education on rural Costa Rican grade school children: A gender perspective.
environmental education, gender issues, conservation, neotropics
FULL ABSTRACT |
| NEOTROPICS | 102 Interpopulation variation in Trachypogon plumosus (Poaceae): phenology, seed morphology and germination.
seed, germination, savannas, neotropics
FULL ABSTRACT |
| NEST PREDATION | Decision rules for Prothonotary Warblers: the influence of nesting success on site fidelity.
site fidelity, decision rules, prothonotary warbler, nest predation
FULL ABSTRACT |
| NEST PREDATION | Parental behavior of a Cowbird host: Caught between the costs of egg-removal and nest predation.
brood parasitism, nest predation, incubation behavior, yellow warbler
FULL ABSTRACT |
| NEST PREDATION | Frequency dependence, songbird nest predation, and species coexistence.
coexistence, frequency-dependent predation, indirect effects, nest predation
FULL ABSTRACT |
| NEST PREDATION | Weathering the storm: synergistic effects of storms, angling, and predators on smallmouth bass nest success.
micropterus dolomieui, round goby, lake erie, nest predation
FULL ABSTRACT |
| NEST PRODUCTIVITY | 152 Population growth indicates forest habitat quality for three species of neotropical migrant songbirds.
population growth, neotropical migrant bird, habitat quality, nest productivity
FULL ABSTRACT |
| NESTEDNESS | The random placement model as a null model of four well-known biogeographic patterns.
random placement model, null model, nestedness, species distribution
FULL ABSTRACT |
| NET ASSIMILATION | Estimating canopy CO2 uptake under elevated and ambient atmospheric CO2 concentrations with scaled sap-flux and 13C.
canopy stomatal conductance, net assimilation, elevated CO2
FULL ABSTRACT |
| NET ASSIMILATION RATE | 86 Interspecific differences in plant growth response to nitrogen are associated with the response of ULR.
growth analysis, net assimilation rate, unit leaf rate, relative growth rate
FULL ABSTRACT |
| NET ECOSYSTEM CO2 EXCHANGE | The effect of pressure, temperature, and wind on ecosystem gas exchange measurements determined using large open top chambers for exposing plants to elevated atmospheric CO2 in Florida scrub oak.
elevated CO2 , net ecosystem CO2 exchange, open top chambers, florida scrub oak
FULL ABSTRACT |
| NET ECOSYSTEM CO2 EXCHANGE | Elevated CO2 increases net ecosystem CO2 uptake in a Florida scrub-oak ecosystem .
elevated co2, net ecosystem co2 exchange, open-top chambers, fire
FULL ABSTRACT |
| NET ECOSYSTEM EXCHANGE | 90 The role of temperature in controlling CO2 uptake dynamics in a high-elevation subalpine forest.
subalpine forest, canopy photosynthesis, net ecosystem exchange, ecosystem respiration
FULL ABSTRACT |
| NET ECOSYSTEM EXCHANGE | Can remote atmospheric 14C measurements tell us the age of ecosystem respiration?
decomposition, biome, seasonal cycle, net ecosystem exchange
FULL ABSTRACT |
| NET ECOSYSTEM PRODUCTION | Net ecosystem production of two contrasting boreal black spruce ecosystems in central Saskatchewan.
net ecosystem production, boreal black spruce forests, feathermoss, sphagnum
FULL ABSTRACT |
| NET PRIMARY PRODUCTION | The relationship between NPP and nitrogen cycling in a forest under FACE: 4-Year results.
FACE, nitrogen cycling, net primary production, elevated CO2
FULL ABSTRACT |
| NET PRIMARY PRODUCTION | 158 Key chemical and morphological determinants of light-use efficiency in canopies of terrestrial vegetation .
light-use efficiency, remote sensing, net primary production
FULL ABSTRACT |
| NET PRIMARY PRODUCTIVITY | CO2 enrichment increases net primary productivity but not biomass increment in a closed-canopy forest stand.
elevated CO2, Liquidambar styraciflua, net primary productivity, fine root production
FULL ABSTRACT |
| NET PRIMARY PRODUCTIVITY | Changes in net primary productivity and soil N status across a 25 year chronosequence of tallgrass prairie restoration sites.
restoration, tallgrass prairie, nitrogen, net primary productivity
FULL ABSTRACT |
| NET PRIMARY PRODUCTIVITY | 49 Net primary productivity and nitrogen mineralization in mesic and xeric deciduous forest stands.
net primary productivity, nitrogen mineralization, carbon allocation, nutrient-use efficiency
FULL ABSTRACT |
| NET PRIMARY PRODUCTIVITY | Spatial-temporal variation of leaf area index (LAI) and aboveground net primary productivity (NPPA ) of a northern Wisconsin forested landscape.
leaf area index, net primary productivity, spatial, geostatistics
FULL ABSTRACT |
| NET PRIMARY PRODUCTIVITY | Regional shifts in ecosystem processes as a result of urban sprawl in Colorado's Front Range.
carbon storage, land-use change, urban ecology, net primary productivity
FULL ABSTRACT |
| NETWORK | An ecosystem network model for human ecological interactions.
network, ecosystem model, human ecology, homo sapiens
FULL ABSTRACT |
| NETWORK ENVIRON ANALYSIS | Network environ analysis of some complex systems: An exploratory study.
network environ analysis, complex systems, model
FULL ABSTRACT |
| NETWORK GEOMETRY | Components of ribbed mussel (Geukensia demissa) population dynamics vary with position in the tidal network.
network geometry, Geukensia demissa, empirical spatial landscape ecology, benthic marine invertebrate
FULL ABSTRACT |
| NEURO-BEHAVIOR | Are potential behavioral effects caused by pesticide exposure contributing to the decline of terrestrial amphibians?
amphibians, neuro-behavior, pesticides, toxicity
FULL ABSTRACT |
| NEUTRAL LANDSCAPE MODELS | An evaluation of neutral and non-neutral landscape models using patch size distributions and semivariograms.
neutral landscape models, cellular automata, patch size distributions, semivariograms
FULL ABSTRACT |
| NEW JERSEY PINELANDS | 33 Tree species composition and conservation of a remnant New Jersey Pinelands community.
new jersey pinelands, oak, pine, community
FULL ABSTRACT |
| NICHE | 57 Fish distributions and dissolved oxygen anomalies in Trout Lake, New York.
anoxia, hypolimnion, fish, niche
FULL ABSTRACT |
| NICHE OVERLAP | Asymmetric competition affects habitat selection and niche overlap in juvenile salmonids.
asymmetric competition, isoleg theory, habitat selection, niche overlap
FULL ABSTRACT |
| NICHE PARTITIONING | Local division rules for taxonomic diversity and biomass across tree dominated communities.
biodiversity, macroecology, taxonomic structure, niche partitioning
FULL ABSTRACT |
| NICHE PARTITIONING | 69 Activity and microhabitat use during interactions among five species of pond-breeding salamander larvae.
salamander larvae, intraguild predation, niche partitioning, microhabitat
FULL ABSTRACT |
| NICHE THEORY | Maximally compact sets analysis and the swiss-cheesiness of vegetation.
vegetation analysis, niche theory, hierarchical continuum, meta-population
FULL ABSTRACT |
| NIGHTTIME TRANSPIRATION | 48 Effects of drought on nighttime transpiration and predawn disequilibrium in two cold desert shrubs.
nighttime transpiration, drought, Chrysothamnus nauseosus, Sarcobatus vermiculatus
FULL ABSTRACT |
| NIGHTTIME WATER LOSS | 49 A model system for examining benefits of nighttime water loss?
nighttime water loss, Chenopodium album
FULL ABSTRACT |
| NITRATE | The influence of ammonium, nitrate, and dissolved oxygen concentrations on nitrification rates associated with prairie stream substrata.
nitrification, stream, ammonium, nitrate
FULL ABSTRACT |
| NITRATE | 1 Applying global ecosystem modeling tools to agriculture: continental-scale food production to precision farming.
agriculture, modeling, nitrate, leaching
FULL ABSTRACT |
| NITRATE | 86 The response of nitrate assimilation to elevated CO2 in wheat shoots over a range of photon flux densities.
elevated CO2 , gas exchange, wheat, nitrate
FULL ABSTRACT |
| NITRATE | Potential biogeochemical and vegetative consequences of an invasive insect herbivore in Tsuga canadensis stands.
nitrate, eastern hemlock, hemlock woolly adelgid, Adelges tsugae
FULL ABSTRACT |
| NITRATE | 51 Biogeochemical response of northern hardwood forests in the Catskill Mountains to several harvesting intensities.
clearcutting, nitrate, stream water chemistry, understory vegetation
FULL ABSTRACT |
| NITRATE | Nitrogen deposition effects on western montane ecosystems under a Mediterranean climate.
nitrogen saturation, atmospheric deposition, nitrification, nitrate
FULL ABSTRACT |
| NITRATE EXPORT | Scaling nutrient retention in human-dominated landscapes of Europe.
riparian, nitrate export, catchment, Europe
FULL ABSTRACT |
| NITRATE REDUCTASE ACTIVITY | 79 Are Chiloe's forests immune to plant invasions: A test of three models.
forest succession, nitrate reductase activity, Cytisus scoparius, Chusquea quila
FULL ABSTRACT |
| NITRIFICATION | Oxygen fluxes in constructed wetlands.
constructed wetlands, nitrification, oxygen diffusion, nitrogen removal
FULL ABSTRACT |
| NITRIFICATION | The influence of ammonium, nitrate, and dissolved oxygen concentrations on nitrification rates associated with prairie stream substrata.
nitrification, stream, ammonium, nitrate
FULL ABSTRACT |
| NITRIFICATION | Cross-system comparisons of the controls on nitrification: are aquatic and terrestrial ecosystems different?
nitrification, biogeochemistry
FULL ABSTRACT |
| NITRIFICATION | Effects of N additions on N-oxide emissions and soil N dynamics across a matrix of land use, elevation, soil age, and soil type on Mt. Kinabalu, Borneo (Malaysia).
nitrous oxide, nitrification, tropical forest, SE Asia
FULL ABSTRACT |
| NITRIFICATION | Changes in foliar biochemical stress indicators (putrescine and arginine) and their relationship to foliar and soil chemistry in response to acid deposition in Delaware River Basin.
biochemical stress indicators, calcium and magnesium depletion, acid deposition, nitrification
FULL ABSTRACT |
| NITRIFICATION | Functional group diversity and resistance to disturbance of the nitrogen cycle in the Patagonian steppe.
biodiversity, nitrification, nitrogen cycling, ecosystem functioning
FULL ABSTRACT |
| NITRIFICATION | Nitrogen deposition effects on western montane ecosystems under a Mediterranean climate.
nitrogen saturation, atmospheric deposition, nitrification, nitrate
FULL ABSTRACT |
| NITRIFICATION | 47 Nitrogen transformations, roots, and fates of inorganic N in agricultural soil.
roots, plant ammonium uptake, ammonification, nitrification
FULL ABSTRACT |
| NITRITE ACCUMULATION | 2 Mechanistic modeling of nitrification, denitrification, soil hydrology, and N losses in an agricultural system.
n2o fluxes, no fluxes, nitrite accumulation
FULL ABSTRACT |
| NITROGEN | 43 Nitrogen fixation along rainfall and disturbance gradients in Southern Africa and its relation with phosphorus concentration and water availability.
nitrogen , fixation, isotopes, legumes
FULL ABSTRACT |
| NITROGEN | The importance of agricultural nitrogen emissions to western nitrogen deposition.
agriculture, emissions, nitrogen, livestock
FULL ABSTRACT |
| NITROGEN | Soil carbon and nitrogen dynamics on tundra landscapes with different glacial histories.
carbon, nitrogen, tundra, Alaska
FULL ABSTRACT |
| NITROGEN | 16 Ecosystem controls of landscape-level bison (Bos bison) grazing patterns in a tallgrass prairie.
fire, grazing, nitrogen, landscape
FULL ABSTRACT |
| NITROGEN | Nutrient addition increases plant fitness in the desert halophyte, Sarcobatus vermiculatus.
Sarcobatus vermiculatus, nitrogen, fitness, seed production
FULL ABSTRACT |
| NITROGEN | Changes in net primary productivity and soil N status across a 25 year chronosequence of tallgrass prairie restoration sites.
restoration, tallgrass prairie, nitrogen, net primary productivity
FULL ABSTRACT |
| NITROGEN | Carbon and nitrogen in the soil-plant system along rainfall and land-use gradients in southern Africa.
carbon, nitrogen, rainfall, land-use
FULL ABSTRACT |
| NITROGEN | 45 Effect of single versus continuous nitrogen applications on ecosystem nitrogen losses.
nitrogen, ecosystem
FULL ABSTRACT |
| NITROGEN | The effect of earthworm invasion on nutrient availability and loss in a northern hardwood forest: A lysimetry study.
soilwater, earthworms, nitrogen, phosphorus
FULL ABSTRACT |
| NITROGEN | A paleolimnological assessment of the impact of nitrogen deposition to alpine lakes in Rocky Mountain National Park.
diatoms, nitrogen, alpine, lakes
FULL ABSTRACT |
| NITROGEN | Plant species, not short- or long-term nitrogen fertilization, determine soil microbial biomass.
soil microbial community, microbial biomass, respiration rates, nitrogen
FULL ABSTRACT |
| NITROGEN | Invasive grasses, fire, and nitrogen cycling: applications of basic research in Hawaii Volcanoes National Park.
fire, nitrogen, biological invasions, national park
FULL ABSTRACT |
| NITROGEN | The Cedar Creek biodiversity experiment: Can results after seven years resolve the biodiversity debate?
biodiversity, productivity, grasslands, nitrogen
FULL ABSTRACT |
| NITROGEN | Are effects of species mixtures on ecosystems predictable based on effects of the component species?
species effects, species mixtures, ecosystem processes, nitrogen
FULL ABSTRACT |
| NITROGEN | Management issues and the integration of aquatic and terrestrial biogeochemistry: Challenges, opportunities and dangers for ecologists.
biogeochemistry, nitrogen, eutrophication, wetland
FULL ABSTRACT |
| NITROGEN | Carbon and nitrogen limitations on nitrogen cycling in an arid Colorado Plateau ecosystem.
nutrient cycling, nitrogen, Colorado Plateau, carbon
FULL ABSTRACT |
| NITROGEN | The fate of nitrogen inputs to coastal lagoons of Narragansett Bay, Rhode Island.
nitrogen, estuary, coastal, 15N
FULL ABSTRACT |
| NITROGEN | Preferential uptake of N by alpine tundra species: do all species tap the same N pool?
nitrogen, plant partitioning, alpine tundra
FULL ABSTRACT |
| NITROGEN | Hot spots and hot moments in landscape biogeochemistry.
biogeochemistry, nitrogen, carbon, land-water interactions
FULL ABSTRACT |
| NITROGEN | 9 Variation in elemental composition (N and P) of host plants and consequences for herbivore performance.
ecological stoichiometry, life history, plant-insect interactions, nitrogen
FULL ABSTRACT |
| NITROGEN | 90 Does a decrease in transpiration mediate N deprivation in trees exposed to elevated CO2?
elevated carbon dioxide, cottonwood, transpiration, nitrogen
FULL ABSTRACT |
| NITROGEN | Element inputs and outputs across a substrate age gradient in the Hawaiian Islands.
element budgets, hawaiian islands, nitrogen, phosphorus
FULL ABSTRACT |
| NITROGEN | 37 Seasonal terrestrial dissolved organic production and lake chemistry, Isle Royale National Park, Michigan.
nutrient cycling, carbon, nitrogen, biogeochemistry
FULL ABSTRACT |
| NITROGEN | Free amino acids as a source of plant nitrogen nutrition in sub-arctic salt-marsh coastal sites.
free amino acids, root uptake, arctic, nitrogen
FULL ABSTRACT |
| NITROGEN | Species effects on soil properties across the landscape II: Carbon, nitrogen and microbial dynamics.
nitrogen, nitrogen mineralization, organic nitrogen, species effects
FULL ABSTRACT |
| NITROGEN | Influence of cattle ranching on nutrient dynamics in seasonal wetlands.
wetlands, phosphorus, nitrogen, grazing
FULL ABSTRACT |
| NITROGEN | 55 Increasing carbon and nitrogen in Mount St. Helens pyroclastic soil: measuring soil quality and function after 20 years.
mount st. helens, soil , carbon, nitrogen
FULL ABSTRACT |
| NITROGEN | Fate of 15N nitrate additions in Hawaiian wet tropical forest soils.
nitrogen, tropical, AEC
FULL ABSTRACT |
| NITROGEN | Initial nutrient status of ecosystems influences mycorrhizal responses to nitrogen additions along a Hawaiian chronosequence.
arbuscular mycorrhizal fungi, Hawaiian chronosequence, nitrogen, immunofluorescent labeling
FULL ABSTRACT |
| NITROGEN | 3 Phosphorus limitation of seedling growth in northern hardwood forest.
nutrient limitation, phosphorus, nitrogen
FULL ABSTRACT |
| NITROGEN | Nutrient dynamics in subsurface flowpaths of an arid watershed.
nitrogen, riparian, nutrient, hydrology
FULL ABSTRACT |
| NITROGEN | Hyporheic processing and storage of nutrients from spawning sockeye salmon.
hyporheic, salmon, nitrogen, riparian
FULL ABSTRACT |
| NITROGEN | 1 Uncoupling nutrient cycles in Midwestern agroecosystems: N and P flows on diversified farms vs. confined livestock operations.
nutrient flow, livestock, nitrogen, phosphorus
FULL ABSTRACT |
| NITROGEN | Soil nitrogen availability and litter chemistry interact to influence fungal-mediated nitrogen immobilization during litter decomposition.
litter, nitrogen, fungi, decomposition
FULL ABSTRACT |
| NITROGEN | Determination of ash and nitrogen concentration of decomposing woody roots by near infrared reflectance spectroscopy.
NIRS, woody roots, ash , nitrogen
FULL ABSTRACT |
| NITROGEN | Nutrient dynamics in two tidal freshwater marshes in Virginia.
nitrogen, phosphorus, sediment, wetland
FULL ABSTRACT |
| NITROGEN | Short-, but not long-term, alteration of available soil nitrogen by pulses of nitrogen deposition.
nitrogen, grassland, Canyonlands, volatilization
FULL ABSTRACT |
| NITROGEN | 38 Repeated water additions cause temporary effects, but don’t alter long-term available nitrogen pools, Canyonlands.
nitrogen, Canyonlands, volatilization, pulses
FULL ABSTRACT |
| NITROGEN | The relative role of water and nitrogen in regulating productivity in tallgrass prairie.
prairie, productivity, water, nitrogen
FULL ABSTRACT |
| NITROGEN | The influence of invasive earthworms on distribution of soil organic matter depends upon land use history.
earthworms, invasions, carbon, nitrogen
FULL ABSTRACT |
| NITROGEN | 27 Effect of a temporal carbon gradient on nitrogen and phosphorus dynamics during decomposition of corn stalks.
decomposition, carbon, nitrogen, compost
FULL ABSTRACT |
| NITROGEN | Decomposition and nutrient cycling in a changing environment: Is genetic diversity redundant to ecosystem function?
biodiversity, decomposition, nitrogen
FULL ABSTRACT |
| NITROGEN | 50 Do nitrogen budgets explain soil nitrogen mineralization rate differences between oak-pine and northern hardwood stands?
nitrogen, mineralization, soils, budgets
FULL ABSTRACT |
| NITROGEN | Ecosystem responses to removal of low-head dams from two Wisconsin Rivers.
dams, nitrogen, phosphorus, restoration
FULL ABSTRACT |
| NITROGEN | 35 Historical variations in nitrogen source to wetlands.
nitrogen, isotope, land use, wetlands
FULL ABSTRACT |
| NITROGEN | 34 Yuccas as islands of fertility in Great Plains grasslands.
yucca, grassland, nitrogen, carbon
FULL ABSTRACT |
| NITROGEN | Interactive effects of nitrogen, microclimate and elevated CO2 on tree seedling growth under field conditions.
microclimate, elevated CO2, nitrogen, Eucalyptus pauciflora
FULL ABSTRACT |
| NITROGEN ACCUMULATION | Patterns of nitrogen accumulation and turnover in riparian soils along the Green and Yampa Rivers.
nitrogen cycling, nitrogen accumulation, riparian succession, river regulation
FULL ABSTRACT |
| NITROGEN ACQUISITION | 65 Seasonal 15N acquisition and allocation in slow- and fast-growing families of loblolly pine (Pinus taeda L.).
loblolly pine, nitrogen acquisition, 15N enrichment
FULL ABSTRACT |
| NITROGEN ADDITION | Effects of fertilization on isoprene emission from field-grown Eucalyptus and Oak.
hydrocarbon emission, nitrogen addition
FULL ABSTRACT |
| NITROGEN AND PHOSPHOROUS AVAILABILITY | C:N:P stoichiometry of soil, plants, and invertebrates along a moisture gradient in the Sonoran Desert.
stoichiometry, nitrogen and phosphorous availability, desert moisture gradient, mesquite
FULL ABSTRACT |
| NITROGEN AVAILABILITY | Small-scale spatial variation in nitrogen availability and ectomycorrhizal communities.
nitrogen availability, ectomycorrhizal fungal communities, spatial variability, Pinus muricata
FULL ABSTRACT |
| NITROGEN CYCLING | Nitrogen dynamics associated with annual grass invasion in a Great Basin ecosystem.
annual grass, nitrogen cycling
FULL ABSTRACT |
| NITROGEN CYCLING | Rainfall-runoff dynamics and nitrogen processing in an arid-land watershed: where does nitrogen retention occur?
aquatic-terrestrial linkages, nitrogen retention, arid-land watersheds, nitrogen cycling
FULL ABSTRACT |
| NITROGEN CYCLING | Patterns of nitrogen accumulation and turnover in riparian soils along the Green and Yampa Rivers.
nitrogen cycling, nitrogen accumulation, riparian succession, river regulation
FULL ABSTRACT |
| NITROGEN CYCLING | The unique functional role of wiregrass in longleaf pine savannas.
Aristida stricta, redundancy, ecosystem function, nitrogen cycling
FULL ABSTRACT |
| NITROGEN CYCLING | 87 Perturbations to nitrogen cycling in response to elevated CO2 in an intact Mojave desert ecosystem.
elevated CO2 , 15N , nitrogen cycling, desert soils
FULL ABSTRACT |
| NITROGEN CYCLING | Do nitrogen and phosphorus cycle during terrestrial litter decomposition?
nitrogen cycling, decomposition, phosphorus cycling, carbon cycling
FULL ABSTRACT |
| NITROGEN CYCLING | Responses of Rocky Mountain coniferous forests to nitrogen deposition.
nitrogen deposition, nitrogen cycling, forest ecosystems
FULL ABSTRACT |
| NITROGEN CYCLING | Litter production, decomposition, and carbon and nitrogen dynamics along a wet tropical elevation gradient.
climate, temperature, soil carbon, nitrogen cycling
FULL ABSTRACT |
| NITROGEN CYCLING | The relationship between NPP and nitrogen cycling in a forest under FACE: 4-Year results.
FACE, nitrogen cycling, net primary production, elevated CO2
FULL ABSTRACT |
| NITROGEN CYCLING | 46 Ecosystem function changes following hemlock harvesting in New England .
logging, hemlock, nitrogen cycling, ecosystem function
FULL ABSTRACT |
| NITROGEN CYCLING | Functional group diversity and resistance to disturbance of the nitrogen cycle in the Patagonian steppe.
biodiversity, nitrification, nitrogen cycling, ecosystem functioning
FULL ABSTRACT |
| NITROGEN DEPOSITION | Nitrogen emissions and deposition in the U.S.: Current policy and future prospects.
environmental policy, nitrogen emissions, nitrogen deposition, Clean Air Act Amendments
FULL ABSTRACT |
| NITROGEN DEPOSITION | 84 Decadal scale movements of 15N tracers into bolewood at the Harvard Forest Chronic N Study.
nitrogen deposition, temperate forest, carbon sink, 15N tracer
FULL ABSTRACT |
| NITROGEN DEPOSITION | Remote sensing of forest structure and biophysical properties indicating forest response to chronic nitrogen deposition .
nitrogen deposition, remote sensing, forest ecosystems, Germany
FULL ABSTRACT |
| NITROGEN DEPOSITION | Plant disease and global change: interactive effects of elevated CO2, nitrogen deposition, and decreased plant species diversity.
host-parasite interactions, nutrient addition, nitrogen deposition, plant pathogens
FULL ABSTRACT |
| NITROGEN DEPOSITION | Biotic response to nitrogen deposition in the Colorado alpine: Priming the N cycle pump?
nitrogen deposition, alpine ecosystems, species effects on nitrogen cycling, biotic control of ecosystem function
FULL ABSTRACT |
| NITROGEN DEPOSITION | Influences of nitrogen deposition on an annual plant: Integrating resource availability and herbivory.
nitrogen deposition, global change, herbivory, Asteraceae
FULL ABSTRACT |
| NITROGEN DEPOSITION | Interspecific divergence in foliar nutrient responses to excessive nitrogen deposition.
nutrient resorption, nitrogen deposition, nitrogen saturation, nutrient cycling
FULL ABSTRACT |
| NITROGEN DEPOSITION | Export of Humic and Non-Humic Dissolved Organic Nitrogen from Undisturbed Watersheds.
dissolved organic nitrogen, dissolved organic carbon, nitrogen exports, nitrogen deposition
FULL ABSTRACT |
| NITROGEN DEPOSITION | Responses of Rocky Mountain coniferous forests to nitrogen deposition.
nitrogen deposition, nitrogen cycling, forest ecosystems
FULL ABSTRACT |
| NITROGEN DEPOSITION | The effects of chronic N deposition on extracellular enzyme activity in an Acer saccharum forest.
extracellular enzyme activity , nitrogen deposition, soil ecology, decomposition
FULL ABSTRACT |
| NITROGEN DEPOSITION | Forest carbon storage relation to canopy nitrogen uptake: Niwot Colorado AmeriFlux site case study.
nitrogen deposition, carbon storage, forests, canopy
FULL ABSTRACT |
| NITROGEN DEPOSITION | Is increased nitrogen availability predictive for long-term forest carbon sequestration?
nitrogen deposition, photosynthesis, Rubisco, carbon sequestration
FULL ABSTRACT |
| NITROGEN DEPOSITION | Sensitivity of western mountain lake biology to N deposition.
nitrogen deposition, western mountain lakes, resource ratios
FULL ABSTRACT |
| NITROGEN EMISSIONS | Nitrogen emissions and deposition in the U.S.: Current policy and future prospects.
environmental policy, nitrogen emissions, nitrogen deposition, Clean Air Act Amendments
FULL ABSTRACT |
| NITROGEN EXPORTS | Export of Humic and Non-Humic Dissolved Organic Nitrogen from Undisturbed Watersheds.
dissolved organic nitrogen, dissolved organic carbon, nitrogen exports, nitrogen deposition
FULL ABSTRACT |
| NITROGEN FERTILIZATION | Ectomycorrhizal fungal diversity in four North American forests and the effect of nitrogen fertilization.
ectomycorrhizal fungi, diversity, nitrogen fertilization
FULL ABSTRACT |
| NITROGEN FIXATION | 33 The effects of species richness and legume biomass on nitrogen dynamics in experimental grassland communities.
diversity, ecosystem function, nitrogen fixation, Trifolium
FULL ABSTRACT |
| NITROGEN FLUX | 36 The impact of hydrology and agricultural activity on nitrate export in the Mississippi River system.
nitrogen flux, hydrology - rivers, fertilizer, Mississippi River basin
FULL ABSTRACT |
| NITROGEN IMMOBILIZATION | 64 Soil carbon addition for weed control in tallgrass prairie restoration.
invasion, nitrogen immobilization, weed competition
FULL ABSTRACT |
| NITROGEN MINERALIZATION | Soil community composition and ecosystem processes.
decomposition, fertilizer, nitrogen mineralization, pesticides
FULL ABSTRACT |
| NITROGEN MINERALIZATION | Cascading effects of mammalian herbivores on ecosystem dynamics in a coastal dune system.
ecosystem ecology, animal-plant interactions, mammalian herbivory, nitrogen mineralization
FULL ABSTRACT |
| NITROGEN MINERALIZATION | Nonlinear responses of soil nitrogen cycling and carbon storage in a grassland exposed to a gradient in atmospheric CO2.
nitrogen mineralization, nonlinearity, carbon dioxide, grassland
FULL ABSTRACT |
| NITROGEN MINERALIZATION | 49 Net primary productivity and nitrogen mineralization in mesic and xeric deciduous forest stands.
net primary productivity, nitrogen mineralization, carbon allocation, nutrient-use efficiency
FULL ABSTRACT |
| NITROGEN MINERALIZATION | Species effects on soil properties across the landscape II: Carbon, nitrogen and microbial dynamics.
nitrogen, nitrogen mineralization, organic nitrogen, species effects
FULL ABSTRACT |
| NITROGEN MINERALIZATION | 64 Soil moisture and nitrogen differences associated with leafy spurge (Euphorbia esula) invasion.
Euphorbia esula, biological invasion, nitrogen mineralization
FULL ABSTRACT |
| NITROGEN MINERALIZATION | The influence of the soil environment on Pinus palustris fine root dynamics.
Pinus palustris, fine root demography, soil resources, nitrogen mineralization
FULL ABSTRACT |
| NITROGEN MINERALIZATION RATES | 124 Positionary effects on soil texture, nutrients, and plant productivity in a Nebraska sandhills prairie.
ecosystem ecology, nitrogen mineralization rates, plant productivity, soil textures
FULL ABSTRACT |
| NITROGEN POOLS | In situ net nitrogen mineralization response to regional and interannual variation in precipitation across the Central Great Plains of North America.
in situ net nitrogen mineralization, nitrogen pools, precipitation gradient, grasslands
FULL ABSTRACT |
| NITROGEN REMOVAL | Oxygen fluxes in constructed wetlands.
constructed wetlands, nitrification, oxygen diffusion, nitrogen removal
FULL ABSTRACT |
| NITROGEN RETENTION | Rainfall-runoff dynamics and nitrogen processing in an arid-land watershed: where does nitrogen retention occur?
aquatic-terrestrial linkages, nitrogen retention, arid-land watersheds, nitrogen cycling
FULL ABSTRACT |
| NITROGEN SATURATION | Ecosystem changes in a red spruce forest following 12 years of chronic, low dose, nitrogen addition.
nitrogen saturation, Picea rubens, Mt. Ascutney Vermont
FULL ABSTRACT |
| NITROGEN SATURATION | Interspecific divergence in foliar nutrient responses to excessive nitrogen deposition.
nutrient resorption, nitrogen deposition, nitrogen saturation, nutrient cycling
FULL ABSTRACT |
| NITROGEN SATURATION | Spatial variability in soil nitrogen (N) dynamics in N-treated and untreated watersheds of Fernow Experimental Forest, WV.
nitrogen saturation, soil nitrogen, central Appalachian hardwood forests
FULL ABSTRACT |
| NITROGEN SATURATION | Non-linear nitrogen retention in an unpolluted old-growth temperate forest receiving a geometric range of experimental 15N additions .
nitrogen saturation, nutrient cycling, old growth temperate forest, Chile
FULL ABSTRACT |
| NITROGEN SATURATION | Nitrogen deposition effects on western montane ecosystems under a Mediterranean climate.
nitrogen saturation, atmospheric deposition, nitrification, nitrate
FULL ABSTRACT |
| NITROGEN UPTAKE CAPACITY | 138 Belowground responses of Artemisia tridentata and Agropyron desertorum to summer rainfall events of two intensities in the Great Basin.
Agropyron desertorum, Artemisia tridentata, Great Basin, nitrogen uptake capacity
FULL ABSTRACT |
| NITROGEN-USE-EFFICIENCY | Inbreeding and nitrogen-use-efficiency in plants: linking evolutionary genetics to ecological processes.
nitrogen-use-efficiency, inbreeding depression, habitat fragmentation, evolutionary ecology
FULL ABSTRACT |
| NITROGENASE ACTIVITY | Effect of elevated CO2 in the root atmosphere on nitrogenase activity in three actinorhizal plants.
actinorhizal plants, Alnus, elevated CO2, nitrogenase activity
FULL ABSTRACT |
| NITROUS OXIDE | Effects of N additions on N-oxide emissions and soil N dynamics across a matrix of land use, elevation, soil age, and soil type on Mt. Kinabalu, Borneo (Malaysia).
nitrous oxide, nitrification, tropical forest, SE Asia
FULL ABSTRACT |
| NO ANALOG POLLEN ASSEMBLAGES | Early Holocene vegetation in the western Great Lakes region: two distinct no-analog types.
pollen analysis, no analog pollen assemblages, Holocene, vegetation classification
FULL ABSTRACT |
| NO FLUXES | 2 Mechanistic modeling of nitrification, denitrification, soil hydrology, and N losses in an agricultural system.
n2o fluxes, no fluxes, nitrite accumulation
FULL ABSTRACT |
| NODULATION | 14 Thyme seedlings and thyme essential oil enhance nodulation and shoot weight of white clover.
thymus serpyllum, trifolium repens, rhizobium leguminosarum, nodulation
FULL ABSTRACT |
| NON-ADDITIVE INTERACTIONS | Timing is of the essence: Intra-annual variation in root and shoot competition.
plant competition, per-gram effects, non-additive interactions, root competition
FULL ABSTRACT |
| NON-BREEDING SPECIES ASSEMBLIES | 50 Diversity and composition of non-breeding bird assemblies in the northern Israeli desert during winter.
community structure, non-breeding species assemblies, risk of predation, habitat structure
FULL ABSTRACT |
| NON-CONSUMPTIVE PREDATOR EFFECTS | Impact of predator cues and resource level on the survivorship, development, and behavior of midges.
non-consumptive predator effects, midges, development, survivorship
FULL ABSTRACT |
| NON-INDIGENOUS | Predicting patterns of community invasion and potential changes in forest succession by a non-indigenous shrub, Amur honeysuckle (Lonicera maackii).
Lonicera maackii, non-indigenous, invasive, exotic
FULL ABSTRACT |
| NON-INDIGENOUS SPECIES | Invasive potential of Paulownia tomentosa seedlings in a managed forest landscape: effects of competition, disturbance, and herbivory.
biomass allocation, non-indigenous species, succession, woody seedlings
FULL ABSTRACT |
| NON-LETHAL PREDATION | Habitat selection of aquatic beetles: Effects of predators and habitat complexity.
non-lethal predation, habitat selection, colonization
FULL ABSTRACT |
| NON-LINEAR | Non-linear effects of Daphnia on a phytoplankton community: a large-scale, grazer-gradient experiment.
phytoplankton, zooplankton, herbivory, non-linear
FULL ABSTRACT |
| NON-NATIVE | 55 Non-native plant presence and prevalence in Illinois: The Critical Trends Assessment Program.
non-native, invasive, Illinois, monitoring
FULL ABSTRACT |
| NON-NATIVE PLANTS | Identifying the habitat characteristics of the non-native, invasive grass, Microstegium vimineum.
Microstegium vimineum, non-native plants, Japanese grass, Oak Ridge National Environmental Research Park
FULL ABSTRACT |
| NON-NATIVE PLANTS | 31 The impact of simulated grazing on native and non-native plants.
Carrizo Plain National Monument, non-native plants, grazing, grassland
FULL ABSTRACT |
| NON-NATIVE SPECIES | Predicting susceptibility to damage following hurricanes in a subtropical moist forest.
hurricane damage, legacies, non-native species
FULL ABSTRACT |
| NON-NATIVE SPECIES | 115 The efficacy of prairie restoration in Cades Cove, Smoky Mountains National Park.
fescue, non-native species, plant diversity
FULL ABSTRACT |
| NON-TIMBER FOREST PRODUCT | The effect of topography and microhabitat on the density and population structure of the harvested palm, Chamaedorea radicalis, in northeastern Mexico.
non-timber forest product, plant demography, palm ecology, Mexico
FULL ABSTRACT |
| NON-TIMBER FOREST PRODUCTS | Effects of bark harvest on populations of the African cherry (Prunus africana) on Mount Oku, Northwest Province, Cameroon.
bark harvesting, Prunus africana, matrix population models, non-timber forest products
FULL ABSTRACT |
| NONE | 41 Landscape-level drivers of variation in plant nutrient status in disturbed dry tropical forests of Southern Yucatan.
none
FULL ABSTRACT |
| NONINDIGENOUS SPECIES | Progress in invasion biology: understanding the occurrence and impact of nonindigenous species.
nonindigenous species, exotic species, prevention, risk assessment
FULL ABSTRACT |
| NONINDIGENOUS SPECIES | Is the past the key to the future? Predicting future Great Lakes fish invaders.
nonindigenous species, invasive species, Great Lakes, prediction
FULL ABSTRACT |
| NONLINEARITIES | 107 Effects of elevated CO2 and future climate on mechanisms of species coexistence in plant communities.
climate change, CO2, competition, nonlinearities
FULL ABSTRACT |
| NONLINEARITY | Nonlinear responses of soil nitrogen cycling and carbon storage in a grassland exposed to a gradient in atmospheric CO2.
nitrogen mineralization, nonlinearity, carbon dioxide, grassland
FULL ABSTRACT |
| NONMETRIC MULTI-DIMENSIONAL SCALING | Multi-scale correlates of woody regeneration in the Sierra Nevada of California.
regeneration, Sierra Nevada, topography, nonmetric multi-dimensional scaling
FULL ABSTRACT |
| NONNATIVE FISH | Resistance and resilience of alpine lake fauna to fish introductions.
resistance, resilience, alpine lakes, nonnative fish
FULL ABSTRACT |
| NONPOINT POLLUTION | Human and natural impacts on soil phosphorus accumulation in an urbanizing agricultural watershed.
phosphorus, nonpoint pollution, landscape, human impacts
FULL ABSTRACT |
| NONPOINT SOURCE POLLUTION | Simulating coastal plain stream fish community response to nonpoint source pollution using linked hydrologic-ecological models.
stream fish, nonpoint source pollution, linked models
FULL ABSTRACT |
| NORTHEASTERN PENNSYLVANIA | Restoring an urbanized watershed impacted by abandoned mine drainage: An integrated strategy.
abandoned mine drainage, watershed restoration, mineland restoration, northeastern Pennsylvania
FULL ABSTRACT |
| NORTHERN HARDWOOD | 26 A comparison of study techniques for evaluating plant species richness in northern hardwood forests.
species richness, northern hardwood, Adirondack Mountains, plant inventory
FULL ABSTRACT |
| NORTHERN HARDWOOD FOREST | Vernal nutrient retention by ground-layer vegetation and soil microbes in a Catskill northern hardwood forest.
vernal-dam hypothesis, herbaceous plants, soil microbes , northern hardwood forest
FULL ABSTRACT |
| NORTHERN HARDWOOD FOREST | Fifty years of change in forest understory composition. I. Changes in species richness and the species - area relationship.
species-area relationship, herbaceous, northern hardwood forest, species diversity
FULL ABSTRACT |
| NORTHERN HARDWOODS | Fine root biomass and fluxes of soil carbon in young stands of paper birch and trembling aspen as affected by elevated atmospheric CO2 and tropospheric O3.
global change, northern hardwoods
FULL ABSTRACT |
| NORTHERN HARRIER | Habitat use, persistence, and bioreserve network design for the northern harrier (Circus cyaneus).
Circus cyaneus, umbrella, northern harrier, habitat preferences
FULL ABSTRACT |
| NORTHERN LEOPARD FROG | A test for the effect of contaminants on the sexual development of free-living leopard frogs .
northern leopard frog, contaminants, sex ratio, vitellogenin
FULL ABSTRACT |
| NORTHERN MICHIGAN | Temperature dynamics associated with pits and mounds in managed and unmanaged hardwood forests of northern Michigan, USA.
pits and mounds, temperature, northern michigan
FULL ABSTRACT |
| NORTHWESTERN CANADA | Conifer stomates as indicators of the subarctic and subalpine treeline.
conifer stomates, treeline, northwestern Canada, Siberia
FULL ABSTRACT |
| NOVEL ENVIRONMENT | Phenotypic selection in a disturbance-related novel environment.
phenotypic selection, disturbance ecology, novel environment, desert annuals
FULL ABSTRACT |
| NULL COMMUNITY MODELS | Partitioning species diversity across scales: Statistical tests on components of insect diversity in deciduous forests.
forest insect diversity, additive partitioning of diversity, null community models, spatial scales
FULL ABSTRACT |
| NULL MODEL | The random placement model as a null model of four well-known biogeographic patterns.
random placement model, null model, nestedness, species distribution
FULL ABSTRACT |
| NULL MODELS | 48 Disturbance-associated assembly and response rules in blackland prairies.
fire, assembly rules, response rules, null models
FULL ABSTRACT |
| NURSE PLANT | The use of shrubs as nurse plants: a new technique for reforestation in Mediterranean mountains.
facilitation, Mediterranean ecosystems, nurse plant, reforestation
FULL ABSTRACT |
| NURSE PLANTS | 104 Effects of summer precipitation on photosynthesis for seedlings of two common Great Basin shrubs.
Artemisia tridentata, Purshia tridentata, nurse plants, seedlings
FULL ABSTRACT |
| NURSERY HABITATS | Post-settlement use of lagoon habitats as off-reef nurseries for coral reef fishes.
coral reef fish, nursery habitats, ontogenetic habitat shift, post-settlement
FULL ABSTRACT |
| NUTRIENT | Role of Total Maximum Daily Load decisions for water quality in Mill Creek (Cincinnati).
water, nutrient, habitat, loads
FULL ABSTRACT |
| NUTRIENT | Soil heterogeneity changes over forest succession: Quantification using univariate and geostatistical procedures.
soil, heterogeniety, succession, nutrient
FULL ABSTRACT |
| NUTRIENT | Nutrient uptake length, channel structure, and transient storage in streams draining harvested and old growth watersheds.
nutrient, uptake, watershed, disturbance
FULL ABSTRACT |
| NUTRIENT | Effects of soil nutrient patchiness on plant competition.
nutrient, heterogeneity, competition, ruderals
FULL ABSTRACT |
| NUTRIENT | The potential biophysical role of potassium in phloem transport.
phloem, potassium, nutrient, cycle
FULL ABSTRACT |
| NUTRIENT | Nutrient dynamics in subsurface flowpaths of an arid watershed.
nitrogen, riparian, nutrient, hydrology
FULL ABSTRACT |
| NUTRIENT | Impacts of forest floor disturbance on vegetation and nutrient dynamics in clearcut and partial-cut stands.
forest, nutrient, disturbance, understory vegetation
FULL ABSTRACT |
| NUTRIENT | 5 The use of AQUATOX to disaggregate the effects of multiple stressors on aquatic ecosystems.
model, toxic, nutrient, risk
FULL ABSTRACT |
| NUTRIENT ADDITION | Response of arctic tundra to nutrient addition and warming: the role of clonal plant growth form.
arctic tundra, clonal plants, tussock , nutrient addition
FULL ABSTRACT |
| NUTRIENT ADDITION | Plant disease and global change: interactive effects of elevated CO2, nitrogen deposition, and decreased plant species diversity.
host-parasite interactions, nutrient addition, nitrogen deposition, plant pathogens
FULL ABSTRACT |
| NUTRIENT AVAILABILITY | Herbivory alters pinyon pine litter biomass and chemical composition.
herbivory, nutrient availability, decomposition
FULL ABSTRACT |
| NUTRIENT BIOGEOCHEMISTRY | Nutrient biogeochemistry of mangroves among hydrologic basins in two oceanic islands of Micronesia.
mangroves, nutrient biogeochemistry, geomorphology, soil nutrients
FULL ABSTRACT |
| NUTRIENT CYCLING | Interspecific divergence in foliar nutrient responses to excessive nitrogen deposition.
nutrient resorption, nitrogen deposition, nitrogen saturation, nutrient cycling
FULL ABSTRACT |
| NUTRIENT CYCLING | Impact of compound disturbances on N-cycling and forest reorganization in a wind-disturbed and logged forest.
blowdown, logging, nutrient cycling, disturbance
FULL ABSTRACT |
| NUTRIENT CYCLING | The effect of drawdown on P flux from soils in the Everglades Nutrient Removal Project wetland.
organic phosphorus, water quality, biogeochemistry, nutrient cycling
FULL ABSTRACT |
| NUTRIENT CYCLING | Land use legacies and the recovery of a tropical forest ecosystem.
biodiversity, restoration, nutrient cycling, community structure
FULL ABSTRACT |
| NUTRIENT CYCLING | Soil carbon and nitrogen cycling in ancient grazing lands.
nutrient cycling, patch dynamics, grazing, soil quality
FULL ABSTRACT |
| NUTRIENT CYCLING | Modelling NOx, N2O,N2 and CH4 fluxes from managed and unmanaged ecosystems: DAYCENT results.
trace gases, modelling, nutrient cycling
FULL ABSTRACT |
| NUTRIENT CYCLING | 102 Interactions of cattle grazing and climate change on semi-arid ecosystem function.
piosphere, grassland/rangeland, nutrient cycling, monitoring
FULL ABSTRACT |
| NUTRIENT CYCLING | Transport and transformation of C, N and P in a large river ecosystem.
rivers, nutrient cycling, ecosystem ecology
FULL ABSTRACT |
| NUTRIENT CYCLING | 146 Prescribed fire effects on nutrient losses via leaching and volatilization along glade-forest ecotonal boundary.
fire ecology, nutrient cycling, volatilization, soil water leachate
FULL ABSTRACT |
| NUTRIENT CYCLING | Non-linear nitrogen retention in an unpolluted old-growth temperate forest receiving a geometric range of experimental 15N additions .
nitrogen saturation, nutrient cycling, old growth temperate forest, Chile
FULL ABSTRACT |
| NUTRIENT CYCLING | Carbon and nitrogen limitations on nitrogen cycling in an arid Colorado Plateau ecosystem.
nutrient cycling, nitrogen, Colorado Plateau, carbon
FULL ABSTRACT |
| NUTRIENT CYCLING | 37 Seasonal terrestrial dissolved organic production and lake chemistry, Isle Royale National Park, Michigan.
nutrient cycling, carbon, nitrogen, biogeochemistry
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| NUTRIENT CYCLING | 56 Watershed chemical export during snowmelt, Fraser Experimental Forest, Colorado.
nutrient cycling, biogeochemistry, snowmelt, snowpack
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| NUTRIENT CYCLING | Effects of Fraxinus uhdei invasion on nitrogen cycling in a Hawaiian rainforest.
invasion, nutrient cycling
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| NUTRIENT CYCLING | Iron-phosphorus cycling in southeastern Piedmont lakes.
phosphorus, iron, nutrient cycling, lakes
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| NUTRIENT DYNAMICS | Substrate quality, nutrient availability, and enzymatic controls over litter decomposition rates.
decomposition, litter quality, enzyme activity, nutrient dynamics
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| NUTRIENT DYNAMICS | Litter nutrient dynamics in secondary dry tropical forests of the Southern Yucatan.
tropical forests, land-use change, nutrient dynamics
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| NUTRIENT ECONOMY | Investigating tree island community response to increased water flow in a southern Everglades ecosystem .
landscape heterogeneity, nutrient economy, water flow, Everglades restoration
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| NUTRIENT ENRICHMENT | How does zooplankton community structure respond to varying rates and magnitudes of environmental change?
species composition, nutrient enrichment, acidification, rate of environmental change
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| NUTRIENT FLOW | 1 Uncoupling nutrient cycles in Midwestern agroecosystems: N and P flows on diversified farms vs. confined livestock operations.
nutrient flow, livestock, nitrogen, phosphorus
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| NUTRIENT GRADIENT | Allometric plasticity of three early successional tree species along a nitrogen gradient.
resource allocation, nutrient gradient, boreal tree
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| NUTRIENT HETEROGENEITY | 132 Influence of soil nutrient heterogeneity on root system morphology and responses to drought in three herbs.
nutrient heterogeneity, root foraging, root system asymmetry, drought
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| NUTRIENT HOTSPOTS | 31 Long-term influence of Maasai settlement sites on plant nitrogen and carbon isotopes.
pastoralism, nutrient hotspots, dung, east african savanna
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| NUTRIENT LIMITATION | Biological versus geochemical cycling of phosphorus in an Amazonian forest ecosystem.
phosphorus, nutrient limitation, root biomass, tropical forests
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| NUTRIENT LIMITATION | 85 Tests of soil calcium effects on forest dynamics in northeastern USA.
nutrient limitation, recruitment, forest dynamics, base-cation deficiency
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| NUTRIENT LIMITATION | 70 Plant traits and nutrient limitation of Cecropia in abandoned pasture in Puerto Rico.
nutrient limitation, limiting traits, leaf turnover, tropical pasture restoration
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| NUTRIENT LIMITATION | 3 Phosphorus limitation of seedling growth in northern hardwood forest.
nutrient limitation, phosphorus, nitrogen
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| NUTRIENT LIMITATION | 62 Landscape organization of geomorphic features and plankton ecology in sockeye salmon nursery lakes.
lake, landscape position, nutrient limitation, plankton
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| NUTRIENT LOADING | When does arrangement matter to ecosystem function: Interactions between the amount and configuration of land cover types.
landscape models, nutrient loading
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| NUTRIENT MOBILIZATION | 122 The creative mosaic - a potential role for microarthropods in determining prairie restoration success.
microarthropods, nutrient mobilization, restoration
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| NUTRIENT REGENERATION | Nutrient cycling by omnivorous fish in reservoirs of varying productivity.
nutrient regeneration, excretion, Dorosoma cepedianum, productivity gradient
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| NUTRIENT RELATIONS | Microbiotic crusts and surface soil characteristics affect water and N infiltration in American beachgrass stands .
microbiotic crust, dunes, Ammophila, nutrient relations
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| NUTRIENT RESORPTION | Interspecific divergence in foliar nutrient responses to excessive nitrogen deposition.
nutrient resorption, nitrogen deposition, nitrogen saturation, nutrient cycling
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| NUTRIENT UPTAKE | 58 Differences between rhizosphere and bulk soil in a nutrient-poor loblolly pine (Pinus taeda L.) plantation.
rhizosphere, nutrient uptake, fine roots, mycorrhizae
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| NUTRIENT-BALANCING | The interplay between nutrient-balancing and toxin-dilution in foraging by a generalist insect herbivore.
food-mixing, nutrient-balancing, toxin-dilution, foraging
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| NUTRIENT-LIMITATION | Does the success of nitrogen-fixing invaders depend on nutrient limitation of invaded habitat?
Genista monspessulana, invasive, nutrient-limitation, grassland
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| NUTRIENT-USE EFFICIENCY | 49 Net primary productivity and nitrogen mineralization in mesic and xeric deciduous forest stands.
net primary productivity, nitrogen mineralization, carbon allocation, nutrient-use efficiency
FULL ABSTRACT |
| NUTRIENTS | Steady-state resource preemption: a new hypothesis for nutrient competition.
competition, nutrients, roots
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| NUTRIENTS | A test of the applicability of the R* hypothesis of resource competition to higher plants.
competition, nutrients
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| NUTRIENTS | Does ectomycorrhizal diversity matter? Evidence from pitch pine grown under inorganic and organic phosphorus conditions.
biodiversity, mycorrhizae, nutrients, phosphorus
FULL ABSTRACT |
| NUTRIENTS | The role of nutrient variability on aquatic ecosystems.
variability, nutrients, aquatic community
FULL ABSTRACT |
| NUTRIENTS | Calcium and phosphorus uptake by plants in secondary succession at Luquillo Experimental Forest, Puerto Rico, USA.
nutrients, plants, rainforest, life history
FULL ABSTRACT |
| NUTRIENTS | Modeling interactions between dissolved organic carbon, phosphorus, and chlorophyll in North Temperate lakes.
eutrophication, nutrients, carbon, model
FULL ABSTRACT |
| NUTRIENTS | Strong competitive effects of exotic perennial grasses on California native grasses are unaffected by N fertilization in a greenhouse experiment.
invasion, plant competition, nutrients, exotic grasses
FULL ABSTRACT |
| NUTRIENTS | 66 Spatial patterns in the nutrient status of Wisconsin lakes: interactions between landscape position and catchment disturbance.
lake, nutrients, landuse, landscape position
FULL ABSTRACT |
| NUTRIENTS | Parent material controls on ecosystem carbon stocks and nutrient cycling.
tropical forest, parent material, carbon, nutrients
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| NUTRIENTS | Importance of new versus recycled nutrients in meeting algal growth demands.
gizzard shad, nutrients, tributary, zooplankton
FULL ABSTRACT |
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