Shree R. S. Dangal
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View article: Soil organic carbon trends in US Midwest continuous maize and maize–soybean systems over 20 years
Soil organic carbon trends in US Midwest continuous maize and maize–soybean systems over 20 years Open
Efforts have focused on managing agricultural lands to optimize ecosystem health and provide key ecosystem services, including soil carbon (C) sequestration, yield stability, and climate resilience. These efforts often rely on adopting cli…
View article: Long-term croplands water productivity in response to management and climate in the Western US Corn Belt
Long-term croplands water productivity in response to management and climate in the Western US Corn Belt Open
Global population growth and water scarcity are raising concerns about agricultural systems' ability to meet future food, fuel, feed, and fiber demands. Water productivity (WP), the ratio of crop production to water use, is crucial for ass…
View article: Soil Organic Carbon Trends in Midwest Maize and Maize-Soybean Systems Over 20 Years
Soil Organic Carbon Trends in Midwest Maize and Maize-Soybean Systems Over 20 Years Open
View article: 211 Greenhouse Gas Emissions from Two Beef Systems from Birth to Slaughter in Eastern Nebraska
211 Greenhouse Gas Emissions from Two Beef Systems from Birth to Slaughter in Eastern Nebraska Open
Greenhouse gas emissions from a conventional (CONV) pasture-based cattle production system with cows wintered on corn residue and summer grazing of brome pasture was compared with partial-confinement system (ALT) with cows and calves in a …
View article: Improving Soil Carbon Estimates by Linking Conceptual Pools Against Measurable Carbon Fractions in the DAYCENT Model Version 4.5
Improving Soil Carbon Estimates by Linking Conceptual Pools Against Measurable Carbon Fractions in the DAYCENT Model Version 4.5 Open
Terrestrial soil organic carbon (SOC) dynamics play an important but uncertain role in the global carbon (C) cycle. Current modeling efforts to quantify SOC dynamics in response to global environmental changes do not accurately represent t…
View article: Magnitude and Uncertainty of Nitrous Oxide Emissions From North America Based on Bottom‐Up and Top‐Down Approaches: Informing Future Research and National Inventories
Magnitude and Uncertainty of Nitrous Oxide Emissions From North America Based on Bottom‐Up and Top‐Down Approaches: Informing Future Research and National Inventories Open
We synthesized N 2 O emissions over North America using 17 bottom‐up (BU) estimates from 1980–2016 and five top‐down (TD) estimates from 1998 to 2016. The BU‐based total emission shows a slight increase owing to U.S. agriculture, while no …
View article: Can Agricultural Management Induced Changes in Soil Organic Carbon Be Detected Using Mid-Infrared Spectroscopy?
Can Agricultural Management Induced Changes in Soil Organic Carbon Be Detected Using Mid-Infrared Spectroscopy? Open
A major limitation to building credible soil carbon sequestration programs is the cost of measuring soil carbon change. Diffuse reflectance spectroscopy (DRS) is considered a viable low-cost alternative to traditional laboratory analysis o…
View article: Soil organic carbon fractions in the Great Plains of the United States: an application of mid-infrared spectroscopy
Soil organic carbon fractions in the Great Plains of the United States: an application of mid-infrared spectroscopy Open
Spectroscopy is a powerful means of increasing the availability of soil data necessary for understanding carbon cycling in a changing world. Here, we develop a calibration transfer methodology to appropriately apply an existing mid infrare…
View article: Methane emissions from livestock in East Asia during 1961−2019
Methane emissions from livestock in East Asia during 1961−2019 Open
Context: East Asia is a crucial region in the global methane (CH4) budget, with significant contributions from the livestock sector. However, the long-term trend and spatial pattern of CH4 emissions from livestock in this region have not b…
View article: Is Standardization Necessary for Sharing of a Large Mid-Infrared Soil Spectral Library?
Is Standardization Necessary for Sharing of a Large Mid-Infrared Soil Spectral Library? Open
Recent developments in diffuse reflectance soil spectroscopy have increasingly focused on building and using large soil spectral libraries with the purpose of supporting many activities relevant to monitoring, mapping and managing soil res…
View article: A comprehensive quantification of global nitrous oxide sources and sinks
A comprehensive quantification of global nitrous oxide sources and sinks Open
View article: Greenhouse gas balance in global pasturelands and rangelands
Greenhouse gas balance in global pasturelands and rangelands Open
Grassland ecosystems play an essential role in climate regulation through carbon (C) storage in plant and soil. But, anthropogenic practices such as livestock grazing, grazing related excreta nitrogen (N) deposition, and manure/fertilizer …
View article: Soil carbon fractions for Great Plains Ecoregion of the United States
Soil carbon fractions for Great Plains Ecoregion of the United States Open
GPmeasuredfractions contains data on measured soil carbon fractions for 100 soil samples from the Great Plains ecoregion. Also included are mid infrared spectra for these samples. Fraction protocol followed Baldock et al (2013) Soil Resear…
View article: Mid‐infrared spectroscopy for prediction of soil health indicators in the United States
Mid‐infrared spectroscopy for prediction of soil health indicators in the United States Open
Quantifying the holistic notion of soil health requires a large suite of measurements spanning the physical, chemical and biological properties of soil. The cost of measuring the full suite of soil health indicators via traditional methods…
View article: Revisiting enteric methane emissions from domestic ruminants and their δ13CCH4 source signature
Revisiting enteric methane emissions from domestic ruminants and their δ13CCH4 source signature Open
View article: Severe Long‐Lasting Drought Accelerated Carbon Depletion in the Mongolian Plateau
Severe Long‐Lasting Drought Accelerated Carbon Depletion in the Mongolian Plateau Open
Paleoclimate records identified a severe drought lasting approximately a decade on the Mongolian Plateau during the 2000s, the severity of which was only exceeded by a single drought during the last two millennia. Under high‐emission scena…
View article: Increased nitrogen enrichment and shifted patterns in the world's grassland: 1860–2016
Increased nitrogen enrichment and shifted patterns in the world's grassland: 1860–2016 Open
Production and application to soils of manure excreta from livestock farming significantly perturb the global nutrient balance and result in significant greenhouse gas emissions that warm the earth's climate. Despite much attention paid to…
View article: Accurate and Precise Prediction of Soil Properties from a Large Mid-Infrared Spectral Library
Accurate and Precise Prediction of Soil Properties from a Large Mid-Infrared Spectral Library Open
Diffuse reflectance spectroscopy (DRS) is emerging as a rapid and cost-effective alternative to routine laboratory analysis for many soil properties. However, it has primarily been applied in project-specific contexts. Here, we provide an …
View article: Global Nitrous Oxide Emissions From Pasturelands and Rangelands: Magnitude, Spatiotemporal Patterns, and Attribution
Global Nitrous Oxide Emissions From Pasturelands and Rangelands: Magnitude, Spatiotemporal Patterns, and Attribution Open
The application of manure and mineral nitrogen (N) fertilizer, and livestock excreta deposition are the main drivers of nitrous oxide (N 2 O) emissions in agricultural systems. However, the magnitude and spatiotemporal variations of N 2 O …
View article: Revisiting enteric methane emissions from domestic ruminants and their δ13CCH4 source signature reflecting diet and environmental shifts
Revisiting enteric methane emissions from domestic ruminants and their δ13CCH4 source signature reflecting diet and environmental shifts Open
The dataset provide data supporting the findings of the above publication (Chang et al., 2019). The dataset contains global, regional and country level data of 1) feed intake (dry matter) by livestock (poultry, pigs and ruminants), 2) C3-C…
View article: Supplementary material to "Increased nitrogen enrichment and shifted patterns in the world’s grassland: 1860–2014"
Supplementary material to "Increased nitrogen enrichment and shifted patterns in the world’s grassland: 1860–2014" Open
Regional classificationsAccording to the Intergovernmental panel on Climate Change the fifth assessment (IPCC AR5) and Tian et al. (2016), we divided the world into seven regions including North America, South America, Africa, Europe, sout…
View article: Increased nitrogen enrichment and shifted patterns in the world’s grassland: 1860–2014
Increased nitrogen enrichment and shifted patterns in the world’s grassland: 1860–2014 Open
As the largest sector on the Earth’s land surface, the livestock system is not only a major contributor to global manure excreta that perturbs the global nutrient balance, but also a major emitter of greenhouse gases that warms the climate…
View article: Asymmetric responses of primary productivity to altered precipitation simulated by ecosystem models across three long-term grassland sites
Asymmetric responses of primary productivity to altered precipitation simulated by ecosystem models across three long-term grassland sites Open
Field measurements of aboveground net primary productivity (ANPP) in temperate grasslands suggest that both positive and negative asymmetric responses to changes in precipitation (P) may occur. Under normal range of precipitation variabili…
View article: Asymmetric Responses of Primary Productivity to Altered Precipitation Simulated by Ecosystem Models across Three Longterm Grassland Sites
Asymmetric Responses of Primary Productivity to Altered Precipitation Simulated by Ecosystem Models across Three Longterm Grassland Sites Open
Changes in precipitation variability are known to influence grassland growth. Field measurements of aboveground net primary productivity (ANPP) in temperate grasslands suggest that both positive and negative asymmetric responses to changes…
View article: Supplementary material to "Asymmetric Responses of Primary Productivity to Altered Precipitation Simulated by Ecosystem Models across Three Longterm Grassland Sites"
Supplementary material to "Asymmetric Responses of Primary Productivity to Altered Precipitation Simulated by Ecosystem Models across Three Longterm Grassland Sites" Open
VISITNo, VISIT has a N cycle scheme, but used only
View article: Half‐Century Ammonia Emissions From Agricultural Systems in Southern Asia: Magnitude, Spatiotemporal Patterns, and Implications for Human Health
Half‐Century Ammonia Emissions From Agricultural Systems in Southern Asia: Magnitude, Spatiotemporal Patterns, and Implications for Human Health Open
Much concern has been raised about the increasing threat to air quality and human health due to ammonia (NH 3 ) emissions from agricultural systems, which is associated with the enrichment of reactive nitrogen (N) in southern Asia (SA), ho…
View article: Integrating Herbivore Population Dynamics Into a Global Land Biosphere Model: Plugging Animals Into the Earth System
Integrating Herbivore Population Dynamics Into a Global Land Biosphere Model: Plugging Animals Into the Earth System Open
Mammalian herbivores are an essential component of grassland and savanna ecosystems, and with feedbacks to the climate system. To date, the response and feedbacks of mammalian herbivores to changes in both abiotic and biotic factors are po…
View article: Global manure nitrogen production and application in cropland during 1860–2014: a 5 arcmin gridded global dataset for Earth system modeling
Global manure nitrogen production and application in cropland during 1860–2014: a 5 arcmin gridded global dataset for Earth system modeling Open
Given the important role of nitrogen input from livestock systems in terrestrial nutrient cycles and the atmospheric chemical composition, it is vital to have a robust estimation of the magnitude and spatiotemporal variation in manure nitr…
View article: Manure nitrogen production and application in cropland and rangeland during1860–2014: A 5-minute gridded global data set for Earth system modeling
Manure nitrogen production and application in cropland and rangeland during1860–2014: A 5-minute gridded global data set for Earth system modeling Open
Given the important role of nitrogen input from livestock system in the terrestrial nutrient cycles and the atmospheric chemical composition, it is vital to have a robust estimation of the magnitude, spatiotemporal variation of manure nitr…
View article: Synergistic effects of climate change and grazing on net primary production of Mongolian grasslands
Synergistic effects of climate change and grazing on net primary production of Mongolian grasslands Open
In arid and semi‐arid regions, grassland degradation has become a major environmental and economic problem, but little information is available on the response of grassland productivity to both climate change and grazing intensity. By deve…