| UMBS AMERIFLUX SITE | 136 Calibration of Biome-BGC for UMBS Forest Site in Northern Michigan.
Biome-BGC, Ecosystem model calibration, UMBS AmeriFlux Site
 FULL ABSTRACT |
| USA MID-SOUTH | Ecological assessment of riverine headwater environments.
biological diversity, USA mid-South, forested riverine systems
FULL ABSTRACT |
| UV | Adjustment in pigmentation level to predation risk and ultraviolet radiation among freshwater copepods.
copepod, pigment, predation, UV
FULL ABSTRACT |
| UV SENSITIVITY HYPOTHESIS | Assessing the population-level consequences of UV-B radiation induced mortality in amphibians.
amphibian declines, UV sensitivity hypothesis, density dependence, population model
FULL ABSTRACT |
| UV-B RADIATION | Does UV-B radiation alter water use efficiency in soybean?
UV-B radiation, water use efficiency, drought tolerance, soybean
FULL ABSTRACT |
| ULTRAVIOLET RADIATION | 62 Photochemical effects on NOx and CO emissions in a Brazilian savanna.
Trace gases, Ultraviolet Radiation
FULL ABSTRACT |
| ULTRAVIOLET | Interacting color and behavior responses to predation risk and ultraviolet radiation in the salamander species Ambystoma barbouri and Ambystoma texanum.
Ambystoma, Predation , Ultraviolet, color
FULL ABSTRACT |
| UNIMODAL | Relationships between aspects of biodiversity, biomass, and productivity in the Luquillo Experimental Forest.
Biodiversity, Productivity, Biomass, Unimodal
FULL ABSTRACT |
| UPPER MISSISSIPPI RIVER | Floodplain forest response to large-scale flood disturbance.
flood disturbance, floodplain forest, Upper Mississippi River, flooding
FULL ABSTRACT |
| UPPER MISSSISSIPPI RIVER SYSTEM | Effects of the 1993 flood on fish communities in the Upper Mississippi River: what can be learned from long-term monitoring?
1993 Flood, Upper Misssissippi River System, Long-Term Monitoring of Fish Communities, Flood Pulse Concept
FULL ABSTRACT |
| U.S. GENERAL LAND OFFICE SURVEYS | A spatially explicit model to assess environmental constraints on historic tree distributions across southern Wisconsin.
u.s. general land office surveys, southern wisconsin, fire disturbance, large-scale ecological model
FULL ABSTRACT |
| ULTRAVIOLET RADIATION | Seasonal changes in exposure of pool-breeding amphibians to UVR in sub-alpine ponds.
ultraviolet radiation, amphibian, dissolved organic matter, Olympic National Park
FULL ABSTRACT |
| ULTRAVIOLET RADIATION | Microclimatic effects on insect herbivory in Nothofagus antarctica trees: effects of solar UV-B and relationship with plant secondary metabolites.
ultraviolet radiation, plant-insect interaction, herbivory, flavoniods
FULL ABSTRACT |
| ULTRAVIOLET RADIATION | Ultraviolet radiation and benthic algae and invertebrate communities in montane lakes of Jasper, Canada.
ultraviolet radiation, epilithon, invertebrates, food quality
FULL ABSTRACT |
| UMBRELLA | Habitat use, persistence, and bioreserve network design for the northern harrier (Circus cyaneus).
Circus cyaneus, umbrella, northern harrier, habitat preferences
FULL ABSTRACT |
| UNCERTAINTY | Uncertainty analysis of California streamflow under current and projected climates.
climate change, streamflow, uncertainty, California
FULL ABSTRACT |
| UNCERTAINTY | Managing rangelands: implications of a paradigm shift in the ecology of arid and semi-arid ecosystems.
multiple states, threshold dynamics, uncertainty, adaptive management
FULL ABSTRACT |
| UNDERGRADUATE | Interdisciplinary teaching of ecological concepts in a General Studies curriculum.
education, undergraduate, teaching
FULL ABSTRACT |
| UNDERGRADUATE | Prairie Planting Partnerships: Bringing together undergraduate research projects with third grade investigations.
elementary, undergraduate, prairie, restoration
FULL ABSTRACT |
| UNDERGRADUATE | Ecology curriculum reform: Integrating innovative teaching and global change technology.
education, innovative, undergraduate, reform
FULL ABSTRACT |
| UNDERGRADUATE | Fostering diversity in ecology: insights from the SEEDS program.
minority, undergraduate, students, ecology
FULL ABSTRACT |
| UNDERGRADUATE | Engaging students in a holistic approach to understanding ecological research: the Institute of Ecosystem Studies' Research Experiences for Undergraduates program.
undergraduate, research, experience, students
FULL ABSTRACT |
| UNDERGROWTH COVER | Long term edge effects on old forest fragments in Coastal Ecuador.
edge effects, palm community, light, undergrowth cover
FULL ABSTRACT |
| UNDERSTORY | Fifty years of change in forest understory composition. II. Is biotic homogenization underway?
biodiversity, forest, understory
FULL ABSTRACT |
| UNDERSTORY | Wavelet analysis of boreal canopy-understory relationships at multiple scales.
wavelets, boreal, canopy, understory
FULL ABSTRACT |
| UNDERSTORY | 22 Factors that influence the distribution and abundance of shrubs in coastal Oregon forests.
understory, regression, models
FULL ABSTRACT |
| UNDERSTORY DIVERSITY | Herb layer response to seasonal soil nitrogen dynamics in managed and mature oak forests of southeastern Ohio.
eastern deciduous forest, understory diversity, soil nitrogen dynamics, clearcut harvesting
FULL ABSTRACT |
| UNDERSTORY VEGETATION | Species diversity, composition, and spatial patterning of understory plants in old-growth and managed northern hardwood forests.
understory vegetation, spatial patterning, forest management, plant diversity
FULL ABSTRACT |
| UNDERSTORY VEGETATION | 51 Biogeochemical response of northern hardwood forests in the Catskill Mountains to several harvesting intensities.
clearcutting, nitrate, stream water chemistry, understory vegetation
FULL ABSTRACT |
| UNDERSTORY VEGETATION | Understory vegetation mapping from remote sensing data and its implications for giant panda habitat conservation.
remote sensing, understory vegetation, landscape pattern
FULL ABSTRACT |
| UNDERSTORY VEGETATION | Vegetation responses along edge-to-interior gradients within green-tree retention patches in Douglas-fir forests.
understory vegetation, edge effects, green-tree retention, late-seral herbs
FULL ABSTRACT |
| UNDERSTORY VEGETATION | Impacts of forest floor disturbance on vegetation and nutrient dynamics in clearcut and partial-cut stands.
forest, nutrient, disturbance, understory vegetation
FULL ABSTRACT |
| UNGULATE | Among-year variation in moose calf mass related to climate, plant phenology and nitrogen.
ungulate, moose, cohort, food
FULL ABSTRACT |
| UNGULATE BROWSING | 32 Response of butterfly assemblages to ungulate herbivory along an elevation gradient.
butterflies, ungulate browsing, exclosures, species richness
FULL ABSTRACT |
| UNIT LEAF 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 |
| UPLAND | Demographic consequences of upland habitat loss on two Ambystoma species in Eastern Massachusetts.
Ambystoma, upland, demographic
FULL ABSTRACT |
| UPTAKE | Nutrient uptake length, channel structure, and transient storage in streams draining harvested and old growth watersheds.
nutrient, uptake, watershed, disturbance
FULL ABSTRACT |
| UPWELLING | Rocky intertidal community dynamics across a major oceanographic discontinuity: precipitous changes in recruitment and growth .
upwelling, recruitment, rocky intertidal, oceanography
FULL ABSTRACT |
| URBAN | 93 Denitrification in retention basin soils of an urban ecosystem.
denitrification, urban , ecology
FULL ABSTRACT |
| URBAN | 96 Effects of land use on bee communities in an urban ecosystem.
urban, bee, Apoidea, Hymenoptera
FULL ABSTRACT |
| URBAN | Lake eutrophication along the urban fringe.
eutrophication, phosphorus, urban, lake
FULL ABSTRACT |
| URBAN | Garden mosaics: An urban agroecology education-research partnership.
urban, education, agroecology
FULL ABSTRACT |
| URBAN | Riparian vegetation along a rural-urban gradient.
urban, riparian, exotic, flooding
FULL ABSTRACT |
| URBAN | Landscape pattern and process of an urban ecosystem: an integrated field inventory approach.
urban, inventory, patch, gradient
FULL ABSTRACT |
| URBAN | 99 Use of native and non-native trees in urban landscaping: Consideration of ecosystem services.
urban, ecosystem, services, landscaping
FULL ABSTRACT |
| URBAN | 98 Bird species diversity in the greater Phoenix area, Arizona.
urban, community, desert, LTER
FULL ABSTRACT |
| URBAN | 157 Phoenix or Tucson: does landscape structure influence where Abert's Towhees choose to live?
Pipilo aberti, urban, riparian, corridor
FULL ABSTRACT |
| URBAN | Application of an urban woodland restoration framework.
urban, woodland, restoration
FULL ABSTRACT |
| URBAN ECOLOGY | Housing density change 1940-1990 in the U.S. Midwest.
landscape ecology, habitat fragmentation, ecosystem change, urban ecology
FULL ABSTRACT |
| URBAN ECOLOGY | 92 Urban environmental effects on leaf litter decomposition in the southern Appalachians.
decomposition, urban ecology, southern Appalachians, soil ecology
FULL ABSTRACT |
| URBAN ECOLOGY | 108 Analysis of Sonoran desert vegetation in the CAP-LTER study area, Phoenix, AZ.
Sonoran desert, urban ecology, woody plants, CAP-LTER
FULL ABSTRACT |
| URBAN ECOLOGY | 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 |
| URBAN FORESTS | Diversity and dynamics of soil invertebrates in urban forests.
soil invertebrates, urban forests, introduced species, detritivores
FULL ABSTRACT |
| URBAN GEOGRAPHY | Synthesis of social and ecological approaches for the spatial analyses of human ecosystems, with examples from Phoenix, Arizona and Baltimore, Maryland.
urban geography, spatial analyses, human ecosystem
FULL ABSTRACT |
| URBAN WOODLANDS | 59 Introduced tree species in urban woodlands in Worcester, Massachusetts.
urban woodlands, introduced trees, Norway maple, Acer platanoides
FULL ABSTRACT |
| URBAN-RURAL | Defining and measuring the urban-rural gradient.
Human-dominated, land use, urban-rural, GIS
FULL ABSTRACT |
| URBAN-RURAL CONTINUUM | 115 Definition of current patch structure drivers from historic land records.
land records, patch template, Baltimore, MD, urban-rural continuum
FULL ABSTRACT |
| URBANIZATION | The response of a forested community (Forest Park in Portland, OR) to urbanization.
forest, urbanization, succession, tree
FULL ABSTRACT |
| URBANIZATION | 95 Carbon pool in urban and agricultural land use types in a Sonoran desert ecosystem.
urbanization, Arizona, carbon pools, soil
FULL ABSTRACT |
| URBANIZATION | Analysis of impervious cover in the Lake Tahoe basin for conservation of natural resources.
impervious cover, water quality, satellite imagery, urbanization
FULL ABSTRACT |
| URBANIZATION | 108 Emissions sources and patterns of carbon dioxide levels across a metropolitan region.
carbon dioxide, urbanization, land use, emissions
FULL ABSTRACT |
| UV-B | 30 Cell enlargement in UV-B-treated leaves correlates with leaf phenylpropanoid content and leaf apoplastic pH.
uv-b, leaf cell enlargement, phenylpropanoid, acid growth
FULL ABSTRACT |
| UV-B | Variability in the amount and composition of DOC: Implications for UV-B attenuation and observed patterns of amphibian decline.
dissolved organic carbon, amphibians, uv-b, climate
FULL ABSTRACT |
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