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UN RADIATION Climatic control of UV radiation impacts on lakes.
UN radiation, lake evolution, climate, DOC
FULL ABSTRACT
UV-B Interactive effects of UV radiation and N availability on the growth of Quercus rubra seedlings.
UV-B, Nitrogen, Ultraviolet radiation, Quercus rubra
FULL ABSTRACT
UV-B RADIATION31 The influence of short-term changes in ambient UV-B radiation on barley, corn and soybean.
flavonoids, UV-B radiation, photoinhibition
FULL ABSTRACT
ULTRAVIOLET RADIATION Interactive effects of UV radiation and N availability on the growth of Quercus rubra seedlings.
UV-B, Nitrogen, Ultraviolet radiation, Quercus rubra
FULL ABSTRACT
UNDERSTORY Insect herbivory in a forest community exposed to free-air CO2 enrichment.
Seedling, Understory, Hardwood, Drought
FULL ABSTRACT
UNDERSTORY80 Effects of fire intensity on understory vegetation diversity in the Black Hills of South Dakota.
Understory, Pinus ponderosa, Fire, Diversity
FULL ABSTRACT
UPPER MISSISSIPPI RIVER SYSTEM Predicting seed/seedling dynamics: The non-Tarot card approach.
seed/seedling dynamics, floodplain forest, Upper Mississippi River System
FULL ABSTRACT
URBAN FOREST73 Analysis of the urban forest structure of Morgantown, WV.
land use classification, Urban Forest, ecosystem benefits
FULL ABSTRACT
URBAN Constructed Spartina planters in Manhattan's East River.
Urban, Spartina alterniflora, Marsh, East River
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URBAN7 Urban Spartina.
Urban, Salt Water Marsh, Design, Spartina alterinflora
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UTAH PRAIRIE DOG94 Effects of spatial arrangement and climate on the colonization and extinction probabilities of Utah prairie dog colonies.
(Cynomys parvidens), Utah prairie dog, colonization and extinction probabilities
FULL ABSTRACT
ULTRAVIOLET RADIATION Are amphibians exposed to harmful levels of ultraviolet-B radiation?
ultraviolet radiation, amphibians, population declines
FULL ABSTRACT
ULTRAVIOLET RADIATION Interacting effects of ultraviolet radiation and disease on the survivorship of three amphibian species.
ultraviolet radiation, disease, amphibian decline, interacting effects
FULL ABSTRACT
ULTRAVIOLET-B RADIATION109 Indirect effects of ultraviolet-B radiation on amphibians: using mesocosm experiments to examine UV-B effects on trophic level interactions.
Ambystoma macrodactylum, mesocosm, ultraviolet-B radiation, food webs
FULL ABSTRACT
UNCERTAINTY21 Uncertainty in scaling up carbon estimates in peat soils of Finland: Comparison among four methods.
scaling, peatland , uncertainty, carbon
FULL ABSTRACT
UNDERGRADUATE Teaching simulation modeling from the ground up.
education, model, computer, undergraduate
FULL ABSTRACT
UNDERGRADUATE Yes, no, maybe, I don′t know: The decisions SEEDS students make about an ecology pathway.
minority, pathway, undergraduate, ecology
FULL ABSTRACT
UNDERGRADUATE36 Integrating computer technology into biology instruction.
undergraduate, cognative tool, computer technology, education
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UNDERGRADUATE EDUCATION Four years to develop a scientist: Accelerating an understanding of the process of science in undergraduate biology majors.
inquiry-based learning, curriculum reform, undergraduate education, guided student research
FULL ABSTRACT
UNDERGRADUATE RESEARCH Integrating Undergraduate Research Experiences From Matriculation through Graduation.
undergraduate research, introductory biology, curriculum innovation, assessment
FULL ABSTRACT
UNDERSTOREY5 Ramet dynamics of the clonal understory tree, Asimina triloba.
population size structure, clonal growth, ramet dynamics, understorey
FULL ABSTRACT
UNDERSTORY Restoring biocomplexity in Douglas-fir forests: Understory development after inducing canopy heterogeneity and underplanting tree seedlings.
Douglas fir forest management, variable density thinning, understory, tree underplanting
FULL ABSTRACT
UNDERSTORY4 Establishing the tree regeneration template: The role of the understory layer and herbivory on seedling dynamics.
Odocoileus virginianus, understory, Dennstaedtia punctilobula, tree-seedling
FULL ABSTRACT
UNDERSTORY BIRDS138 Effects of habitat modification on the understory birds of southern Costa Rican countryside.
neotropical conservation, understory birds, coffee plantations, fragmentation
FULL ABSTRACT
UNDERSTORY COMMUNITIES30 Forest understory community responses to elevated CO2.
understory communities, elevated CO2 , invasive plants
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UNDERSTORY PALMS Understory palms and cyclanths impose strong recruitment limitation on seedlings in a Neotropical rain forest.
recruitment limitation, understory palms, Neotropical forest, seedlings
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UNGULATE HERBIVORY Direct and indirect effects of extreme drought on compensation following herbivory in Ipomopsis aggregata (Polemoniaceae).
compensation, drought, ungulate herbivory, Ipomopsis aggregata
FULL ABSTRACT
UNIONID The Survey of Freshwater Mollusks of Fort Stewart, Georgia.
unionid, fort stewart, freshwater mollusks, canoochee river
FULL ABSTRACT
UNIVERSITY Will telling the students the truth about environmental management scare them away?
capstone, education, university, management
FULL ABSTRACT
UPLAND HARDWOOD Fruit production in mature and harvested cove and upland hardwood forest of the southern Appalachians.
harvest, fruit production, cove hardwood, upland hardwood
FULL ABSTRACT
UPPER LIMITS Seemingly gradual changes in climate provoke punctuated biological responses.
sea level, distributional shifts, climate change, upper limits
FULL ABSTRACT
UPPER MISSISSIPPI RIVER SYSTEM Long term monitoring design and spatial variation of fish communities in the upper Mississippi River basin.
upper mississippi river system, long term resource monitoring program, fish community composition, fish community structure
FULL ABSTRACT
UPSTREAM MIGRATION Fragmentation of river networks, freshwater shrimp distributions and Caribbean climate change.
chemical communication, predator-prey interactions, upstream migration, pool-depth refugia
FULL ABSTRACT
UPTAKE105 Diurnal changes in nitrogen uptake and root respiration in loblolly pine seedlings.
uptake, respiration, Pinus taeda, nitrogen
FULL ABSTRACT
UPWELLING Sensitivity of marine ecosystems to climate change: Insights from the novel appearance of inner-shelf hypoxia in the California Current System.
climate, upwelling, pisco, hypoxia
FULL ABSTRACT
URBAN5 Retention and mitigation of anthropogenic nitrogen and phosphorus in headwater urban riparian systems.
riparian, urban, nitrogen, phosphorus
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URBAN Hyporheic denitrification in urban streams.
nitrogen, urban, nitrate, denitrification
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URBAN The relationship between pollen and extant vegetation across an arid urban ecosystem and surrounding desert.
distribution, pollen, desert, urban
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URBAN The influence of plant species attributes on local extinctions in urban and rural grasslands.
local extinction, plant attributes, grassland, urban
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URBAN Invasibility and dispersal in urban wetlands.
dispersal, wetland, invasibility, urban
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URBAN Life history attributes of bird communities along an urban gradient: Does nesting success influence species composition?
urban, nesting success, birds, community composition
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URBAN16 Carrion-frequenting arthropod communities across an urban-to-rural gradient in Oxford, Ohio.
urban, arthropods, gradient
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URBAN BIRDS77 Land use, land cover and socioeconomic variables as predictors of bird species composition in St. Louis, MO.
bird conservation, urban ecosystems, urban birds
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URBAN DEVELOPMENT68 Ecological and socioeconomic influences of urban development on forested landscapes in Georgia, USA: The West Georgia project.
urban development
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URBAN ECOLOGY The effects of lawn management on soil arthropods.
urban ecology, collembola, lawns, urban soils
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URBAN ECOLOGY Teacher and student investigations of urban ecosystems with the Baltimore Ecosystem Study.
K-12 education, LTER, ecology education, urban ecology
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URBAN ECOLOGY66 Toward understanding ecological structure and function in urban systems: a new land cover classification.
land cover classification, patch dynamics, spatial heterogeneity, urban ecology
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URBAN ECOLOGY Soil quality indicators of ecosystem health for urban places.
soil ecology, soil quality indices, urban ecology, ecosystem health
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URBAN ECOSYSTEM Ecological stoichiometry of horticulture: Consequences of pruning and water for plant nutrient use efficiency.
stoichiometry, horticulture, nutrient use efficiency, urban ecosystem
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URBAN ECOSYSTEM76 The use of stable isotopes to study urban nitrogen dynamics.
nitrogen isotopes, nitrogen pollution, Bromus tectorum, urban ecosystem
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URBAN ECOSYSTEMS77 Land use, land cover and socioeconomic variables as predictors of bird species composition in St. Louis, MO.
bird conservation, urban ecosystems, urban birds
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URBAN ECOSYSTEMS Human socioeconomic factors and avian diversity: A cross-site comparison.
urban ecosystems, birds, biodiversity, human socioeconomic factors
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URBAN ECOSYSTEMS Soil responses to water and nitrogen additions along an urban to rural gradient.
desert , nitrogen, urban ecosystems, soil CO2 efflux
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URBAN PLANNING65 Fully-integrated urbanism: Sustainability as inspiration.
sustainability, urbanism, urban planning
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URBAN PLANT ECOLOGY The manmade plant communities in a desert metropolitan area.
arid plant community, urban plant ecology
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URBAN SOILS The effects of lawn management on soil arthropods.
urban ecology, collembola, lawns, urban soils
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URBAN SYSTEM Discontinuities in urban systems over time.
discontinuity, complex systems, size distribution, urban system
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URBAN TREE COVER67 Urban tree cover and species richness in three Miami-Dade, Florida neighborhoods.
species richness, urban tree cover
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URBAN WASTES Biogeochemical cycles of urban and livestock production wastes: Why do we continue to mine nutrients in a world awash in surplus?
urban wastes, carbon, nitrogen, phosphorus, biogeochemical cycles, livestock wastes
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URBAN-TO-RURAL GRADIENT69 Impact of urbanization and forest structure on non-native plant distribution: The West GA project.
invasive plants, urban-to-rural gradient, forest structure
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URBANISM65 Fully-integrated urbanism: Sustainability as inspiration.
sustainability, urbanism, urban planning
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URBANIZATION71 Linking environmental knowledge, land use, and policy: A survey of rural, urban, and suburban watersheds in west Georgia.
urbanization, environmental knowledge, land use
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URBANIZATION74 Changes in water quality across an urban-rural landscape gradient: The West Georgia project.
nutrients, urbanization, sediment, fecal coliform
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URBANIZATION75 Changes in soil nutrient pools with urbanization in a Sonoran desert ecosystem.
urbanization, desert, carbon, soils
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URBANIZATION72 Land use and stream biotic signatures: The effects of urbanization on periphyton, macroinvertebrates, and fish in watersheds of west Georgia.
indicators, streams, urbanization, land use
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URBANIZATION70 Distribution of bird diversity across a gradient of urbanization: The West Georgia project.
bird diversity, Neotropical migrants, urbanization, vegetation change
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URBANIZATION Impact of development on stream community structure and decomposition rates: Streams in piedmont North Carolina.
macrobenthos, urbanization, species richness, leaf litter decomposition
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URBANIZATION Assessing effects of development on imperiled fishes for the Etowah Regional Habitat Conservation Plan.
fish, policy, endangered, urbanization
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URBANIZATION Patterns of native and alien plant species in two watersheds impacted by anthracite mining and urbanization.
urbanization, invasive species, mining
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