Elegir campos a generar del autor Howard

Datos personales Todos / Ninguno
Correo Electrónico
Artículos Todos / Ninguno
Recent trends and remaining challenges for optical remote sensing of Arctic tundra vegetation: A review and outlook
Integrating a PhenoCam-derived vegetation index into a light use efficiency model to estimate daily gross primary production in a semi-arid grassland
Assessing Temperate Forest Growth and Climate Sensitivity in Response to a Long-Term Whole-Watershed Acidification Experiment
Elevation and climate effects on vegetation greenness in an arid mountain-basin system of Central Asia
Transferability of the deep learning mask R-CNN model for automated mapping of ice-wedge polygons in high-resolution satellite and UAV images
Grazing exclusion did not affect soil properties in alpine meadows in the Tibetan permafrost region
Complexity revealed in the greening of the Arctic
Temporal dynamics, drivers, and components of soil respiration in urban forest ecosystems
Bridging science, art, and community in the new Arctic
Intensified vegetation water use under acid deposition
Influence of snow cover on soil temperatures: Meso- and micro-scale topographic effects (a case study from the northern West Siberia discontinuous permafrost zone)
State of the climate in 2018
Vegetation on mesic loamy and sandy soils along a 1700-km maritime Eurasia Arctic Transect
Spatial Heterogeneity of the Temporal Dynamics of Arctic Tundra Vegetation
Reviews and syntheses: Changing ecosystem influences on soil thermal regimes in northern high-latitude permafrost regions
State of the climate in 2017
Seasonal and Long-Term Changes to Active-Layer Temperatures after Tall Shrubland Expansion and Succession in Arctic Tundra
MODIS-Based Estimates of Global Terrestrial Ecosystem Respiration
Disequilibrium of fire-prone forests sets the stage for a rapid decline in conifer dominance during the 21<sup>st</sup> century
Using Landsat imagery to map understory shrub expansion relative to landscape position in a mid-Appalachian watershed
Circumpolar Arctic Vegetation Classification
Seasonal and inter-annual variability in litter decomposition and nitrogen availability in a mid-Appalachian watershed
Circumpolar arctic tundra biomass and productivity dynamics in response to projected climate change and herbivory
Complex terrain influences ecosystem carbon responses to temperature and precipitation
Community-level trait responses and intra-specific trait variability play important roles in driving community productivity in an alpine meadow on the Tibetan Plateau
Changing seasonality of panarctic tundra vegetation in relationship to climatic variables
Correlating species and spectral diversities using hyperspectral remote sensing in early-successional fields
Regional- and watershed-scale analysis of red spruce habitat in the southeastern United States: implications for future restoration efforts
ENSO elicits opposing responses of semi-arid vegetation between Hemispheres
Community-weighted mean traits but not functional diversity determine the changes in soil properties during wetland drying on the Tibetan Plateau
Vulnerability to forest loss through altered postfire recovery dynamics in a warming climate in the Klamath Mountains
Relationships between hyperspectral data and components of vegetation biomass in Low Arctic tundra communities at Ivotuk, Alaska
Identifying invasive plant species using field spectroscopy in the VNIR region in successional systems of north-central Virginia
Contrasting Soil Thermal Regimes in the Forest-Tundra Transition Near Nadym, West Siberia, Russia
The Alaska Arctic Vegetation Archive (AVA-AK)
Biomass offsets little or none of permafrost carbon release from soils, streams, and wildfire: An expert assessment
Effects of legume species introduction on vegetation and soil nutrient development on abandoned croplands in a semi-arid environment on the Loess Plateau, China
Differentiating among four Arctic tundra plant communities at Ivotuk, Alaska using field spectroscopy
Circumpolar Arctic vegetation: A hierarchic review and roadmap toward an internationally consistent approach to survey, archive and classify tundra plot data
Plant species richness is not consistently associated with productivity in experimental subalpine meadow plant communities
Plant functional diversity can be independent of species diversity: Observations based on the impact of 4-yrs of nitrogen and phosphorus additions in an alpine meadow
Niche and neutral processes together determine diversity loss in response to fertilization in an alpine meadow community
Factors affecting the recovery of abandoned semi-arid fields after legume introduction on the Loess Plateau
Vegetation and elevation influence the timing and magnitude of soil CO<inf>2</inf> efflux in a humid, topographically complex watershed
Carbon storage in old-growth forests of the Mid-Atlantic: Toward better understanding the eastern forest carbon sink
Land cover and land use changes in the oil and gas regions of Northwestern Siberia under changing climatic conditions
Distinguishing early successional plant communities using ground-level hyperspectral data
Climate drivers linked to changing seasonality of Alaska Coastal tundra vegetation productivity
Tall shrub and tree expansion in Siberian tundra ecotones since the 1960s
Regional and landscape-scale variability of Landsat-observed vegetation dynamics in northwest Siberian tundra
Plant functional types in Earth system models: Past experiences and future directions for application of dynamic vegetation models in high-latitude ecosystems
Short-term responses of an alpine meadow community to removal of a dominant species along a fertilization gradient
Ground-based hyperspectral characterization of Alaska tundra vegetation along environmental gradients
Recent declines in warming and vegetation greening trends over pan-arctic tundra
Estimating carbon source-sink transition during secondary succession in a Virginia valley
Environmental and human controls of ecosystem functional diversity in temperate South America
Recent dynamics of arctic and sub-arctic vegetation
Patterned-ground facilitates shrub expansion in Low Arctic tundra
Environmental and Human Controls of Ecosystem Functional Diversity in Temperate South America
A new estimate of tundra-biome phytomass from trans-Arctic field data and AVHRR NDVI
Sinks for nitrogen inputs in terrestrial ecosystems: A meta-analysis of <sup>15</sup>N tracer field studies
Soil Nitrogen Transformations Associated with Small Patterned-Ground Features along a North American Arctic Transect
Complex terrain leads to bidirectional responses of soil respiration to inter-annual water availability
Aeolian process effects on vegetation communities in an arid grassland ecosystem
Dynamics of aboveground phytomass of the circumpolar Arctic tundra during the past three decades
Ecology: Soil Mediation in Grasslands
Environment, vegetation and greenness (NDVI) along the North America and Eurasia Arctic transects
Greenness in semi-arid areas across the globe 1981-2007 - an Earth Observing Satellite based analysis of trends and drivers
On the spatial heterogeneity of net ecosystem productivity in complex landscapes
A watershed-scale assessment of a process soil CO<inf>2</inf> production and efflux model
Native grass restoration in Virginia old fields
Landscape structure, groundwater dynamics, and soil water content influence soil respiration across riparian-hillslope transitions in the Tenderfoot Creek Experimental Forest, Montana
Vegetation of zonal patterned-ground ecosystems along the North America Arctic bioclimate gradient
Modeling dynamics of tundra plant communities on the Yamal Peninsula, Russia, in response to climate change and grazing pressure
State of the climate in 2010
Recent changes in phenology over the northern high latitudes detected from multi-satellite data
Shrub expansion in tundra ecosystems: Dynamics, impacts and research priorities
Circumpolar Arctic tundra vegetation change is linked to sea ice decline
Soil CO<inf>2</inf> flux and its controls during secondary succession
Debating the greening vs. browning of the North American boreal forest: Differences between satellite datasets
Spatial and temporal controls on watershed ecohydrology in the northern Rocky Mountains
Quantification of leaf gas exchange characteristics of dominant C<inf>3</inf>/C<inf>4</inf> plants at the Kalahari transect
Differential soil respiration responses to changing hydrologic regimes
Effects of enhanced wind erosion on surface soil texture and characteristics of windblown sediments
Sediment deposition and soil nutrient heterogeneity in two desert grassland ecosystems, southern New Mexico
Effects of nitrogen fertilization on plant communities of nonsorted circles in moist nonacidic tundra, Northern Alaska
Vegetation greening in the canadian arctic related to decadal warming
Spatial and temporal patterns of greenness on the Yamal Peninsula, Russia: Interactions of ecological and social factors affecting the Arctic normalized difference vegetation index
Simulating the effects of soil organic nitrogen and grazing on arctic tundra vegetation dynamics on the Yamal Peninsula, Russia
Phytomass patterns across a temperature gradient of the North American arctic tundra
Arctic patterned-ground ecosystems: A synthesis of field studies and models along a North American Arctic transect
Introduction to special section on Biocomplexity of Arctic Tundra Ecosystems
Simulating nonsorted circle development in arctic tundra ecosystems
Soils and frost boil ecosystems across the North American Arctic Transect
High stocks of soil organic carbon in the North American Arctic region
The thermoinsulation effect of snow cover within a climate model
Nitrogen isotope composition of soils, C<inf>3</inf> and C<inf>4</inf> plants along land use gradients in southern Africa
Effects of wind erosion on the spatial heterogeneity of soil nutrients in two desert grassland communities
Rapid vegetation responses and feedbacks amplify climate model response to snow cover changes
Interpretation and evaluation of combined measurement techniques for soil CO<inf>2</inf> efflux: Discrete surface chambers and continuous soil CO<inf>2</inf> concentration probes
Variability in soil respiration across riparian-hillslope transitions
An ecohydrological analysis for optimal use of redistributed water among vegetation patches
Diurnal hysteresis between soil CO<inf>2</inf> and soil temperature is controlled by soil water content
Quantitative effects of vegetation cover on wind erosion and soil nutrient loss in a desert grassland of southern New Mexico, USA
Simulating future changes in arctic and subarctic vegetation
Evidence of optimal water use by vegetation across a range of North American ecosystems
A dynamic soil water threshold for vegetation water stress derived from stomatal conductance models
Active-layer hydrology in nonsorted circle ecosystems of the arctic tundra
Predicting leaf and canopy <sup>15</sup>N compositions from reflectance spectra
Carbon dioxide exchange and early old-field succession
Plant community responses to experimental warming across the tundra biome
Spatial heterogeneity of tundra vegetation response to recent temperature changes
Biotic controls over spectral reflectance of arctic tundra vegetation
Analysis of vegetation distribution in Interior Alaska and sensitivity to climate change using a logistic regression approach
Edge effects on vegetation and soils in a Virginia old-field
Role of land-surface changes in arctic summer warming
Spatial and temporal heterogeneity of vegetation properties among four tundra plant communities at Ivotuk, Alaska, U.S.A.
Regional analysis of climate, primary production, and livestock density in Inner Mongolia
Detecting changes in arctic tundra plant communities in response to warming over decadal time scales
Controls over intra-seasonal dynamics of AVHRR NDVI for the Arctic tundra in northern Alaska
Frost-boil ecosystems: Complex interactions between landforms, soil, vegetation and climate
Nitrogen cycling in the soil-plant system along a precipitation gradient in the Kalahari sands
Remote sensing of vegetation and land-cover change in Arctic Tundra Ecosystems
The nature of spatial transitions in the Arctic
Modeling sustainability of Arctic communities: An interdisciplinary collaboration of researchers and local knowledge holders
Potential effects of climate change on the temperate zones of North and South America
Vegetation-soil-thaw-depth relationships along a low-arctic bioclimate gradient, Alaska: Synthesis of information from the ATLAS studies
Greening of arctic Alaska, 1981-2001
Phytomass, LAI, and NDVI in northern Alaska: Relationships to summer warmth, soil pH, plant functional types, and extrapolation to the circumpolar Arctic
Spatial characteristics of AVHRR-NDVI along latitudinal transects in northern Alaska
Regional patterns of decomposition and primary production rates in the U.S. Great Plains
Environmental variation, vegetation distribution, carbon dynamics and water/energy exchange at high latitudes
The relative abundance of three plant functional types in temperate grasslands and shrublands of North and South America: effects of projected climate change
Plant effects on nitrogen retention in shortgrass steppe 2 years after <sup>15</sup>N addition
Analyzing the functional type concept in arctic plants using a dynamic vegetation model
A transient, nutrient-based model of arctic plant community response to climatic warming
Response of the shortgrass steppe to changes in rainfall seasonality
Plant effects on spatial and temporal patterns of nitrogen cycling in shortgrass steppe
Regional productivities of plant species in the Great Plains of the United States
Productivity patterns of C<inf>3</inf> and C<inf>4</inf> functional types in the U.S. Great Plains
Effects of temperature and soil texture on ANPP in the U.S. Great plains
ANPP estimates from NDVI for the Central Grassland Region of the United States
Ecological responses of dominant grasses along two climatic gradients in the Great Plains of the United States
Regional climatic similarities in the temperate zones of North and South America
Libros, capítulos, tesis Todos / Ninguno
Interactions of water and nitrogen on primary productivity across spatial and temporal scales in grassland and shrubland ecosystems
Ecosystem services assessment of national parks networks for functional diversity and carbon conservation strategies using remote sensing
Cumulative effects of rapid land-cover and land-use changes on the Yamal Peninsula, Russia
Recent changes in arctic vegetation: Satellite observations and simulation model predictions
Interactions of water and nitrogen on primary productivity across spatial and temporal scales in grassland and shrubland ecosystems
Conferencias Todos / Ninguno
Laboratory scale study of preferential ice accumulation due to differential soil surface insulation in non-sorted circle environments
Pacific walrus: Benthic bioturbator of Beringia
Carbon and nitrogen in the soil-plant system along rainfall and land-use gradients in southern Africa
Plant-soil interactions in temperate grasslands
Plant functional type effects on trace gas fluxes in the shortgrass steppe
Métricas del autor Todos / Ninguno
Indice H