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75 out of 7500 keywords matched

VEMAP92 The validation of VEMAP Phase 2 model experiments using hydrologic data.
climate change, VEMAP, streamflow, validation
FULL ABSTRACT
VALLEY OAK Contemporary pollen movement in California Valley oak, Quercus lobata .
pollen-mediated gene movement, pollen pool structure, Valley oak, Quercus lobata
FULL ABSTRACT
VECTOR ANALYSIS Testing an ecological model using mutual fund data.
Multivariate time series, Vector Analysis, System temporal dynamic analysis
FULL ABSTRACT
VEGETATION DYNAMICS Environmental variation, vegetation distribution, carbon dynamics, and water/energy exchange in high latitudes .
Global Change, Climate Change, Vegetation Dynamics, Carbon Cycling
FULL ABSTRACT
VENEZUELA 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
VIRGINIA Controls on early rates of succession in a Virginia Piedmont old-field.
succession, leaf area index (LAI), old-field, Virginia
FULL ABSTRACT
VISCOSITY The importance of viscosity in saline waters: Urmia Lake, northwest of Iran.
Salinity, Viscosity, Zooplankton
FULL ABSTRACT
VULNERABILITY Climate change and our nation - Report of the US National Assessment.
Assessment, Climate Change Impacts, Vulnerability
FULL ABSTRACT
VAGUENESS The fuzzy structure of biological groups.
population delineation, species, habitats, vagueness
FULL ABSTRACT
VALIDATION92 The validation of VEMAP Phase 2 model experiments using hydrologic data.
climate change, VEMAP, streamflow, validation
FULL ABSTRACT
VALIDATION Validating spatially-explicit, predictive land-cover models - how does the question shape the method?
land cover, validation, modeling, spatial metrics
FULL ABSTRACT
VALUING ECOLOGICAL CHANGES The interactions of climate, society, and natural resources in the mid-Atlantic U.S.
regional impacts of climate change, valuing ecological changes, integrated regional assessment, perceptions of ecosystems and their functioning
FULL ABSTRACT
VAPOR PRESSURE DEFICIT Impacts of environmental variation on photosynthetic enhancement in a forest exposed to atmospheric CO2 enrichment.
Liquidambar styraciflua, photosynthesis, elevated CO2, vapor pressure deficit
FULL ABSTRACT
VARIABILITY125 Temporal and spatial variability of air and soil temperatures within an old-growth mixed conifer.
temperature, variability, old-growth, mixed conifer
FULL ABSTRACT
VARIABILITY Statistical implications of taxonomic resolution in assessing aquatic ecosystem disturbances.
streams, invertebrates, variability, sensitivity
FULL ABSTRACT
VARIABILITY The role of nutrient variability on aquatic ecosystems.
variability, nutrients, aquatic community
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VARIABLE SEED PRODUCTION Consequences of variable seed production for seedling recruitment in three neotropical tree species.
tree seedling demography, variable seed production, recruitment limitation
FULL ABSTRACT
VARIANCE Inducible morphologies in a variable food environment.
echinoids, plasticity, plutei , variance
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VARIANCE DECOMPOSITION51 Decomposition of variance in population growth rate: survival and growth of largest plants contributes most.
population projection matrix model, variance decomposition
FULL ABSTRACT
VARIANCE DECOMPOSITION ANALYSIS52 Little demographic effect of an extended flowering season for a Mediterranean perennial herb.
periodic matrix models, elasticity analysis, variance decomposition analysis, stochastic simulations
FULL ABSTRACT
VARIANCE TEST OF SPECIES RICHNESS Modeling of spatial dependence in heterogeneous landscapes.
spatial autocorrelation in plant communities, environmental heterogeneity vs. dispersal, trend vs. autocorrelation vs. cross-correlation, variance test of species richness
FULL ABSTRACT
VARIOGRAM Predictive spatial models of vegetation, cryptobiotic, and soil characteristics: A landscape-scale assessment using spatial information and spatial statistics.
multi-phase, multi-scale, landscape, plant diversity, spatial information, landsat Tm Data, GIS, trend surface, kirging, cokriging, variogram
FULL ABSTRACT
VARVE Diatom life history and interannual variation in diatom community composition.
paleoecology, paleolimnology, diatom, varve
FULL ABSTRACT
VASCULAR CAMBIUM CELL MORTALITY Tree death in surface fires: modeling the effects of elevated temperatures on the vascular cambium.
fire effects, vascular cambium cell mortality, thermal kinetics, tree death
FULL ABSTRACT
VEGETATION The effects of water table depths on vegetation development in an abandoned sand mine site in Indiana Dunes National Lakeshore.
vegetation , development, water, table
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VEGETATION149 Vegetation and seed bank dynamics in riparian habitats of the regulated Colorado River in Grand Canyon.
disturbance, riparian, vegetation, management
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VEGETATION Life history patterns and the possibilities for minimizing the occurrence of crown fires.
fire, vegetation, stability
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VEGETATION A generic tool for the measurement of vegetation condition.
vegetation, condition, benchmark
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VEGETATION Ecosystem change in the North Atlantic region under greenhouse gas increase and thermohaline circulation collapse.
vegetation, DGVM, thermohaline, Europe
FULL ABSTRACT
VEGETATION119 Wavelet analysis of vegetation patterns in northern Wisconsin.
landscape ecology, vegetation, Wisconsin, wavelet analysis
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VEGETATION Biogeographic factors influencing native plant species distribution in riparian areas in an urbanizing Oregon basin.
edge, fragmentation, isolation, vegetation
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VEGETATION Variation in hydrology and plant community organization in Carolina bay depression wetlands.
gradient, wetland, hydrology, vegetation
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VEGETATION117 Assessing the scale of usefulness of regional-scale vegetation maps with ground-based data.
vegetation, mapping, accuracy, scale
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VEGETATION32 Soil 15N abundance and Vegetation change in the Gran Sabana, Venezuela .
soil , 15N, vegetation, change
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VEGETATION Data fusion and landscape stratification to identify anomalous characteristics.
remote sensing, landscape, vegetation
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VEGETATION128 The high salt marsh: a model for ecotone theory.
marsh, ecotone, vegetation, spiders
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VEGETATION ANALYSIS Comparison of the vegetation and soil composition of Prosopis glandulosa and Larrea tridentata communities of the Diamond Y Spring Preserve in west Texas.
vegetation analysis, Chihuahuan desert, Prosopis glandulosa, Larrea tridentata
FULL ABSTRACT
VEGETATION ANALYSIS Maximally compact sets analysis and the swiss-cheesiness of vegetation.
vegetation analysis, niche theory, hierarchical continuum, meta-population
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VEGETATION ANALYSIS20 An information infrastructure for vegetation science: A model and prototype database for storing and integrating vegetation data.
vegetation analysis, bioinformatics, database development, vegetation classification
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VEGETATION CHANGE121 Mapping the potential distribution of native plant communities in the Northern Superior Uplands, Minnesota, USA.
ecological classification, natural vegetation, presettlement vegetation, vegetation change
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VEGETATION CLASSIFICATION10 Analysis of the distribution of vegetation classes in interior Alaska.
vegetation classification, interior Alaska, boreal forest
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VEGETATION CLASSIFICATION20 An information infrastructure for vegetation science: A model and prototype database for storing and integrating vegetation data.
vegetation analysis, bioinformatics, database development, vegetation classification
FULL ABSTRACT
VEGETATION CLASSIFICATION Early Holocene vegetation in the western Great Lakes region: two distinct no-analog types.
pollen analysis, no analog pollen assemblages, Holocene, vegetation classification
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VEGETATION CONVERSION134 Soil acidification following burning of pine plantations, Sierra Nevada, Spain.
soil acidification, pine plantation, chemical weathering, vegetation conversion
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VEGETATION COVER92 New remote sensing procedures for vegetation cover sampling, estimation, spatial extrapolation, and change analysis.
ecotone, spatial resolution, scaling, vegetation cover
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VEGETATION DIRECT GRADIENT ANALYSIS Topographically modulated water and energy balance and the spatial distribution of plants at a multi-watershed scale.
water balance, energy balance, climate modeling, vegetation direct gradient analysis
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VEGETATION DYNAMICS Patterns in ecology: the expected and the emergent.
data-mining, complexity, plant communities, vegetation dynamics
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VEGETATION DYNAMICS Long-term perspectives on ecological questions. An Overview.
paleoecology, margaret b. davis, long-term ecological change, vegetation dynamics
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VEGETATION DYNAMICS Monitoring vegetation dynamics in a submersed freshwater macrophyte community.
macrophytes, vegetation dynamics, sampling
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VEGETATION DYNAMICS Spatial and short-term temporal heterogeneity of arctic tundra vegetation: comparing field and model data.
arctic tundra, vegetation dynamics, climate warming, spatial heterogeneity
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VEGETATION DYNAMICS Development and application of robust multivariate tools for evaluating the success of wetland restoration.
wetland restoration, monitoring, multivariate analysis, vegetation dynamics
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VEGETATION GRADIENT Combining species-habitat approaches to understand exotic plant invasions in the Grand Staircase-Escalante National Monument, Utah USA.
species invasive index, predictive model, vegetation gradient, landscape scale invasive patterns
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VEGETATION MANAGEMENT Silviculture and its impact on four plants with medicinal value in Northwestern Ontario.
Aerial application, Cornus stolonifera, ethnobotany, Epilobium angustifolium, medicinal use,, mechanical treatments,Pteridium aquilinum, Rubus, vegetation management
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VEGETATION MONITORING22 Ground truthing remotely sensed vegetation parameters for arid land assessment and management.
arid land vegetation, vegetation monitoring, remote sensing and vegetation, senescent vegetation
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VEGETATION MONITORING138 Vegetation monitoring of endangered species habitat: Coastal sage scrub.
coastal sage scrub, endangered species habitat, vegetation monitoring, gnatcatcher
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VEGETATION PREDICTION Modeling and mapping the distribution of ground flora in the Missouri Ozarks.
Bayesian modeling, vegetation prediction, spatial statistics
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VEGETATION RECONSTRUCTION The effect of sample size on paleoenvironmental reconstructions using the modern analog technique.
modern analog technique, climate reconstruction, vegetation reconstruction, pollen count size
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VEGETATION RECOVERY Vegetation trends in relation to decreasing atmospheric deposition in southern Sweden 1983-1996.
decreased atmospheric deposition, species diversity, vegetation recovery
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VEGETATION RESPONSE Holocene lake-level changes and their relationship to vegetational change at two sites in the Midwest.
lake-level change, paleoecology, vegetation response, climatic variability
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VEGETATION STRUCTURE Effects of vegetation structure on ground beetle diversity and species occurrence on tallgrass prairie.
tallgrass prairie, community ecology, vegetation structure, Carabidae
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VERNAL POOLS Early stages of community assembly: a field experiment with vernal pool plants.
community assembly, vernal pools, endangered species, restoration ecology
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VERNAL-DAM HYPOTHESIS 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
VERTICAL WIND UPDRAFTS Long-distance dispersal of tree seeds by wind: the role of vertical wind updrafts.
seed dispersal by wind, long-distance dispersal, vertical wind updrafts, seed aerodynamics
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VIABILITY Viability analysis of a restored Illinois population of the federal threatened Pitcher's thistle (Cirsium pitcheri).
Cirsium pitcheri, endangered, viability, restored
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VIABLE POPULATIONS Conservation planning for medium- and large-sized mammals in the Cape Floristic Region, South Africa.
mammal conservation, viable populations, Cape floristic region, metapopulations
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VIBRATIONS Perception of predation risk by Semiothisa aemulataria (Lepidoptera: Geometridae).
predation risk, costs, vibrations, anti-predator defense
FULL ABSTRACT
VISITS78 Effects of multiple visits by Xylocopa virginica on the reproduction of Lupinus perennis .
multiple, visits, pollinator, lupine
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VITELLOGENIN A test for the effect of contaminants on the sexual development of free-living leopard frogs .
northern leopard frog, contaminants, sex ratio, vitellogenin
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VOLATILE Jasmonic acid mediates indirect resistance.
predatory mite, volatile, indirect defense, tomato
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VOLATILIZATION146 Prescribed fire effects on nutrient losses via leaching and volatilization along glade-forest ecotonal boundary.
fire ecology, nutrient cycling, volatilization, soil water leachate
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VOLATILIZATION Short-, but not long-term, alteration of available soil nitrogen by pulses of nitrogen deposition.
nitrogen, grassland, Canyonlands, volatilization
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VOLATILIZATION38 Repeated water additions cause temporary effects, but don’t alter long-term available nitrogen pools, Canyonlands.
nitrogen, Canyonlands, volatilization, pulses
FULL ABSTRACT
VOLCANIC LAKES67 Impact of deforestation in tropical volcanic lakes .
volcanic lakes, phytoplankton, impact of deforestation, Mexico
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VOLUNTEERS Protecting biodiversity from invasive species in a large metropolitan area.
invasives, monitoring, volunteers, management
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VOLUNTEERS The relationship between land ownership and stream condition in the Illinois Landscape.
trends, indicators, volunteers, monitoring
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