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Articles 3301 - 3330 of 30390
Full-Text Articles in Entire DC Network
Identification Of Anti-Inflammatory Vesicle-Like Nanoparticles In Honey, Xingyi Chen, Boalong Liu, Xingzhi Li, Thuy T. An, You Zhou, Gang Li, Judy Wu-Smart, Sophie Alvarez, Michael J. Naldrett, James Eudy, Gregory Kubik, Richard A. Wilson, Stephen D. Kachman, Juan Cui, Jiujiu Yu
Identification Of Anti-Inflammatory Vesicle-Like Nanoparticles In Honey, Xingyi Chen, Boalong Liu, Xingzhi Li, Thuy T. An, You Zhou, Gang Li, Judy Wu-Smart, Sophie Alvarez, Michael J. Naldrett, James Eudy, Gregory Kubik, Richard A. Wilson, Stephen D. Kachman, Juan Cui, Jiujiu Yu
Department of Nutrition and Health Sciences: Faculty Publications
Honey has been used as a nutrient, an ointment, and a medicine worldwide for many centuries. Modern research has demonstrated that honey has many medicinal properties, reflected in its anti-microbial, anti-oxidant, and anti-inflammatory bioactivities. Honey is composed of sugars, water and a myriad of minor components, including minerals, vitamins, proteins and polyphenols. Here, we report a new bioactive component‒vesicle-like nanoparticles‒in honey (H-VLNs). These HVLNs are membrane-bound nano-scale particles that contain lipids, proteins and small-sized RNAs. The presence of plant-originated plasma transmembrane proteins and plasma membrane-associated proteins suggests the potential vesicle-like nature of these particles. H-VLNs impede the formation and activation …
Longitudinal Assessment Of The Bovine Ocular Bacterial Community Dynamics In Calves, Alison Bartenslager, Nirosh D. Aluthge, John Dustin Loy, Matthew M. Hille, Matthew L. Spangler, Samodha C. Fernando
Longitudinal Assessment Of The Bovine Ocular Bacterial Community Dynamics In Calves, Alison Bartenslager, Nirosh D. Aluthge, John Dustin Loy, Matthew M. Hille, Matthew L. Spangler, Samodha C. Fernando
Department of Animal Science: Faculty Publications
Background: Infectious Bovine Keratoconjunctivitis (IBK), commonly known as pinkeye, is one of the most significant diseases of beef cattle. As such, IBK costs the US beef industry at least 150 million annually. However, strategies to prevent IBK are limited, with most cases resulting in treatment with antibiotics once the disease has developed. Longitudinal studies evaluating establishment of the ocular microbiota may identify critical risk periods for IBK outbreaks or changes in the microbiota that may predispose animals to IBK.
Results: In an attempt to characterize the establishment and colonization patterns of the bovine ocular microbiota, we conducted a longitudinal study …
Zika Virus Infection Induces Endoplasmic Reticulum Stress And Apoptosis In Placental Trophoblasts, Philma Glora Muthuraj, Prakash K. Sahoo, Madison Kraus, Taylor Bruett, Arun S. Annamalai, Aryamav Pattnaik, Siddappa N. Byrareddy, Sathish Kumar Natarajan
Zika Virus Infection Induces Endoplasmic Reticulum Stress And Apoptosis In Placental Trophoblasts, Philma Glora Muthuraj, Prakash K. Sahoo, Madison Kraus, Taylor Bruett, Arun S. Annamalai, Aryamav Pattnaik, Siddappa N. Byrareddy, Sathish Kumar Natarajan
Department of Nutrition and Health Sciences: Faculty Publications
Zika virus (ZIKV) infection to a pregnant woman can be vertically transmitted to the fetus via the placenta leading to Congenital Zika syndrome. This is characterized by microcephaly, retinal defects, and intrauterine growth retardation. ZIKV induces placental trophoblast apoptosis leading to severe abnormalities in the growth and development of the fetus. However, the molecular mechanism behind ZIKV-induced apoptosis in placental trophoblasts remains unclear. We hypothesize that ZIKV infection induces endoplasmic reticulum (ER) stress in the trophoblasts, and sustained ER stress results in apoptosis. HTR-8 (HTR-8/SVneo), a human normal immortalized trophoblast cell and human choriocarcinoma-derived cell lines (JEG-3 and JAR) were …
Soil Properties Limiting Vegetation Establishment Along Roadsides, Shad D. Mills, Martha Mamo, Sabrina J. Ruis, Humberto Blanco-Canqui, Walter Schacht, Tala Awada, Xu Li, Pamela Sutton
Soil Properties Limiting Vegetation Establishment Along Roadsides, Shad D. Mills, Martha Mamo, Sabrina J. Ruis, Humberto Blanco-Canqui, Walter Schacht, Tala Awada, Xu Li, Pamela Sutton
Department of Agronomy and Horticulture: Faculty Publications
Roadside vegetation provides a multitude of ecosystem services, including pollutant remediation, runoff reduction, wildlife habitat, and aesthetic scenery. Establishment of permanent vegetation along paved roads after construction can be challenging, particularly within 1 m of the pavement. Adverse soil conditions could be one of the leading factors limiting roadside vegetation growth. In this study, we assessed soil physical and chemical properties along a transect perpendicular to the road at six microtopographic positions (road edge, shoulder, side slope, ditch, backslope, and field edge) along two highway segments near Beaver Crossing and Sargent, NE. At the Beaver Crossing site, Na concentration was …
Exercise Shifts Hypothetical Food Choices Toward Greater Amounts And More Immediate Consumption, Karsten Koehler, Safiya E. Beckford, Elise Thayer, Alexandra R. Martin, Julie B. Boron, Jeffrey R. Stevens
Exercise Shifts Hypothetical Food Choices Toward Greater Amounts And More Immediate Consumption, Karsten Koehler, Safiya E. Beckford, Elise Thayer, Alexandra R. Martin, Julie B. Boron, Jeffrey R. Stevens
Department of Nutrition and Health Sciences: Faculty Publications
Although exercise modulates appetite regulation and food intake, it remains poorly understood how exercise impacts decision-making about food. The purpose of the present study was to assess the impact of an acute exercise bout on hypothetical choices related to the amount and timing of food intake. Forty-one healthy participants (22.0 ± 2.6 years; 23.7 ± 2.5 kg/m2 , 56% female) completed 45 min of aerobic exercise and a resting control condition in randomized order. Food amount preferences and intertemporal food preferences (preference for immediate vs. delayed consumption) were assessed using electronic questionnaires with visual food cues. Compared to rest, …
Emotional Intelligence Training, Megan Paul
Emotional Intelligence Training, Megan Paul
Umbrella Summaries
What is emotional intelligence training?
Emotional intelligence (EI) refers to abilities or tendencies related to recognizing, understanding, and managing emotions. Because of its connections to important work outcomes such as job satisfaction, organizational commitment, job performance, and turnover intentions (e.g., Joseph, Jin, Newman, & O’Boyle, 2015; Miao, Humphrey, & Qian, 2016), there has been great interest in developing EI via coaching and training, even though it has not traditionally been regarded as something that is amenable to change through training. EI is conceptualized, and measured, in three different ways (Ashkanasy & Daus, 2005). When it was first conceived, EI was …
Longitudinal Assessment Of The Bovine Ocular Bacterial Community Dynamics In Calves, Alison Bartenslager, Nirosh D. Aluthge, John Dustin Loy
Longitudinal Assessment Of The Bovine Ocular Bacterial Community Dynamics In Calves, Alison Bartenslager, Nirosh D. Aluthge, John Dustin Loy
Department of Animal Science: Faculty Publications
Background: Infectious Bovine Keratoconjunctivitis (IBK), commonly known as pinkeye, is one of the most significant diseases of beef cattle. As such, IBK costs the US beef industry at least 150 million annually. However, strategies to prevent IBK are limited, with most cases resulting in treatment with antibiotics once the disease has developed. Longitudinal studies evaluating establishment of the ocular microbiota may identify critical risk periods for IBK outbreaks or changes in the microbiota that may predispose animals to IBK.
Results: In an attempt to characterize the establishment and colonization patterns of the bovine ocular microbiota, we conducted a longitudinal study …
Temperature But Not Ocean Acidification Affects Energy Metabolism And Enzyme Activities In The Blue Mussel, Mytilus Edulis, Omera B. Matoo, Gisela Lannig, Christian Bock, Inna M. Sokolova
Temperature But Not Ocean Acidification Affects Energy Metabolism And Enzyme Activities In The Blue Mussel, Mytilus Edulis, Omera B. Matoo, Gisela Lannig, Christian Bock, Inna M. Sokolova
School of Biological Sciences: Faculty Publications
1. In mosaic marine habitats, such as intertidal zones, ocean acidification (OA) is exacerbated by high variability of pH, temperature, and biological CO2 production. The nonlinear interactions among these drivers can be context-specific and their effect on organisms in these habitats remains largely unknown, warranting further investigation. 2. We were particularly interested in Mytilus edulis (the blue mussel) from intertidal zones of the Gulf of Maine (GOM), USA, for this study. GOM is a hot spot of global climate change (average sea surface temperature (SST) increasing by >0.2°C/year) with >60% decline in mussel population over the past 40 years. 3. …
Development Of Polymorphic Markers In The Immune Gene Complex Loci Of Cattle, K Bakshy, D Heimeier, J C. Schwartz, E J. Glass, S Wilkinson, R A. Skuce, A R. Allen, J Young, J C. Mcclure, J B. Cole, D J. Null, J A. Hammond, T P.L. Smith, D M. Bickhart
Development Of Polymorphic Markers In The Immune Gene Complex Loci Of Cattle, K Bakshy, D Heimeier, J C. Schwartz, E J. Glass, S Wilkinson, R A. Skuce, A R. Allen, J Young, J C. Mcclure, J B. Cole, D J. Null, J A. Hammond, T P.L. Smith, D M. Bickhart
Roman L. Hruska U.S. Meat Animal Research Center: Reports
The addition of cattle health and immunity traits to genomic selection indices holds promise to increase individual animal longevity and productivity, and decrease economic losses from disease. However, highly variable genomic loci that contain multiple immune-related genes were poorly assembled in the first iterations of the cattle reference genome assembly and underrepresented during the development of most commercial genotyping platforms. As a consequence, there is a paucity of genetic markers within these loci that may track haplotypes related to disease susceptibility. By using hierarchical assembly of bacterial artificial chromosome inserts spanning 3 of these immune-related gene regions, we were able …
Structure Retrieval In Liquid-Phase Electron Scattering, Jie Yang, J. Pedro F. Nunes, Kathryn Ledbetter, Elisa Biasin, Martin Centurion, Zhijiang Chen, Amy A. Cordones, Christopher Crissman, Daniel P. Deponte, Siegfried H. Glenzer, Ming Fu Lin, Mianzhen Mo, Conor D. Rankine, Xiaozhe Shen, Thomas J.A. Wolf, Xijie Wang
Structure Retrieval In Liquid-Phase Electron Scattering, Jie Yang, J. Pedro F. Nunes, Kathryn Ledbetter, Elisa Biasin, Martin Centurion, Zhijiang Chen, Amy A. Cordones, Christopher Crissman, Daniel P. Deponte, Siegfried H. Glenzer, Ming Fu Lin, Mianzhen Mo, Conor D. Rankine, Xiaozhe Shen, Thomas J.A. Wolf, Xijie Wang
Martin Centurion Publications
Electron scattering on liquid samples has been enabled recently by the development of ultrathin liquid sheet technologies. The data treatment of liquid-phase electron scattering has been mostly reliant on methodologies developed for gas electron diffraction, in which theoretical inputs and empirical fittings are often needed to account for the atomic form factor and remove the inelastic scattering background. In this work, we present an alternative data treatment method that is able to retrieve the radial distribution of all the charged particle pairs without the need of either theoretical inputs or empirical fittings. The merits of this new method are illustrated …
Soil Health Management Enhances Microbial Nitrogen Cycling Capacity And Activity, Jianlin Hu, Virginia L. Jin, Julie Y.M. Konkel, Sean M. Schaeffer, Liesel G. Schneider, Jennifer M. Debruyn
Soil Health Management Enhances Microbial Nitrogen Cycling Capacity And Activity, Jianlin Hu, Virginia L. Jin, Julie Y.M. Konkel, Sean M. Schaeffer, Liesel G. Schneider, Jennifer M. Debruyn
United States Department of Agriculture-Agricultural Research Service / University of Nebraska-Lincoln: Faculty Publications
Soil microbial transformations of nitrogen (N) can be affected by soil health management practices. Here, we report in situ seasonal dynamics of the population size (gene copy abundances) and functional activity (transcript copy abundances) of five bacterial genes involved in soil N cycling (ammonia-oxidizing bacteria [AOB] amoA, nifH, nirK, nirS, and nosZ) in a long-term continuous cotton production system under different management practices (cover crops, tillage, and inorganic N fertilization). Hairy vetch (Vicia villosa Roth), a leguminous cover crop, most effectively promoted the expression of N cycle genes, which persisted after cover crop termination throughout the growing season. Moreover, we …
Resting Cerebral Oxygen Metabolism Exhibits Archetypal Network Features, Nicholas A. Hubbard, Monroe P. Turner, Kevin R. Sitek, Kathryn L. West, Jakub R. Kaczmarzyk, Lyndahl Himes, Binu P. Thomas, Hanzhang Lu, Bart Rypma
Resting Cerebral Oxygen Metabolism Exhibits Archetypal Network Features, Nicholas A. Hubbard, Monroe P. Turner, Kevin R. Sitek, Kathryn L. West, Jakub R. Kaczmarzyk, Lyndahl Himes, Binu P. Thomas, Hanzhang Lu, Bart Rypma
Center for Brain, Biology, and Behavior: Faculty Publications
Standard magnetic resonance imaging approaches offer high-resolution but indirect measures of neural activity, limiting understanding of the physiological processes associated with imaging findings. Here, we used calibrated functional magnetic resonance imaging during the resting state to recover low-frequency fluctuations of the cerebral metabolic rate of oxygen (CMRO2). We tested whether functional connections derived from these fluctuations exhibited organization properties similar to those established by previous standard functional and anatomical connectivity studies. Seventeen participants underwent 20 min of resting imaging during dual-echo, pseudocontinuous arterial spin labeling, and blood-oxygen-level dependent (BOLD) signal acquisition. Participants also underwent a 10 min normocapnic and hypercapnic …
Multiple Constraints Cause Positive And Negative Feedbacks Limiting Grassland Soil Co2efflux Under Co2enrichment, Philip A. Fay, Dafeng Hui, Robert B. Jackson, Harold P. Collins, Lara G. Reichmann, Michael J. Aspinwall, Virginia L. Jin, Albina R. Khasanova, Robert W. Heckman, H. Wayne Polley
Multiple Constraints Cause Positive And Negative Feedbacks Limiting Grassland Soil Co2efflux Under Co2enrichment, Philip A. Fay, Dafeng Hui, Robert B. Jackson, Harold P. Collins, Lara G. Reichmann, Michael J. Aspinwall, Virginia L. Jin, Albina R. Khasanova, Robert W. Heckman, H. Wayne Polley
United States Department of Agriculture-Agricultural Research Service / University of Nebraska-Lincoln: Faculty Publications
Terrestrial ecosystems are increasingly enriched with resources such as atmospheric CO2that limit ecosystem processes. The consequences for ecosystem carbon cycling depend on the feedbacks from other limiting resources and plant community change, which remain poorly understood for soil CO2efflux, JCO2, a primary carbon flux from the biosphere to the atmosphere. We applied a unique CO2enrichment gradient (250 to 500 μL L-1) for eight years to grassland plant communities on soils from different landscape positions. We identified the trajectory of JCO2responses and feedbacks from other resources, plant diversity [effective species richness, exp(H)], and community change (plant species turnover). We found linear …
Integrating Out New Fermions At One Loop, Andrei Angelescu, Peisi Huang
Integrating Out New Fermions At One Loop, Andrei Angelescu, Peisi Huang
Department of Physics and Astronomy: Faculty Publications
We present the fermionic universal one-loop effective action obtained by integrating out heavy vector-like fermions at one loop using functional techniques. Even though previous approaches are able to handle integrating out heavy fermions with non-chiral interactions, i.e. vanishing γ5 interaction terms, the computations proceed in a tedious manner that obscures a physical interpretation. We show how directly tackling the fermionic functional determinant not only allows for a much simpler and transparent computation, but is also able to account for chiral interaction terms in a simple, algorithmic way. Finally, we apply the obtained results to integrate out at one loop …
Will Seasonality Patterns For Beef Export Sales And Commitments Hold In 2021?, Elliott James Dennis
Will Seasonality Patterns For Beef Export Sales And Commitments Hold In 2021?, Elliott James Dennis
Extension Farm and Ranch Management News
First two paragraphs:
Trade occurs when price differences between the two locations are large enough after accounting for transportation cost, exchange rates, tariffs, etc. Exports vary throughout the year since prices reflect current and future supply and demand situations. Seasonality in cattle production, meat demand, and market disruptions are some examples of why wholesale beef prices increase and decrease within a year.
The inability to market cattle in the second quarter of 2020 and increased demand for retail beef products due to government gathering restrictions in restaurants caused wholesale beef prices to rise to historical levels. Beef wholesalers can choose …
Feasibility Of Lora For Smart Home Indoor Localization, Kyungki Kim, Sining Li, Milad Heydariaan, Nour Smaoui, Omprakash Gnawali, Wonho Suh, Min Jae Suh, Jung In Kim
Feasibility Of Lora For Smart Home Indoor Localization, Kyungki Kim, Sining Li, Milad Heydariaan, Nour Smaoui, Omprakash Gnawali, Wonho Suh, Min Jae Suh, Jung In Kim
Durham School of Architectural Engineering and Construction: Faculty Publications
With the advancement of low-power and low-cost wireless technologies in the past few years, the Internet of Things (IoT) has been growing rapidly in numerous areas of Industry 4.0 and smart homes. With the development of many applications for the IoT, indoor localization, i.e., the capability to determine the physical location of people or devices, has become an important component of smart homes. Various wireless technologies have been used for indoor localization includingWiFi, ultra-wideband (UWB), Bluetooth low energy (BLE), radio-frequency identification (RFID), and LoRa. The ability of low-cost long range (LoRa) radios for low-power and long-range communication has made this …
The Oldest Post-Truth? The Rise Of Antisemitism In The United States And Beyond, Gerald Steinacher
The Oldest Post-Truth? The Rise Of Antisemitism In The United States And Beyond, Gerald Steinacher
Department of History: Faculty Publications
Antisemitism, the negative stereotyping and hatred of Jews, has overshadowed Western history for 2000 years. In the 20th century, antisemitism led to the Shoah, the systematic state-sponsored murder of 6 million Jews by Nazi Germany and its allies. In recent decades, antisemitism diminished significantly in the Western world, and there was hope that this plague would soon be consigned to the past. On the contrary, the past few years have witnessed a drastic increase of antisemitism in Western societies, often paired with far-right activism, racism, and xenophobia. In 2017 in Charlottesville, there were hundreds of marchers giving Nazi salutes, waving …
Evaluation Of Cd109, Pcp4 And Sema3d Genes For Their Association With Ovine Johne’S Disease In Turkish Sheep, Yalçın Yaman, Ramazan Aymaz, Murat Keleş, Veysel Bay, Ecem Hatipoğlu, Cüneyt Kaptan, Atilla Başkurt, Onur Yilmaz, Michael P. Heaton
Evaluation Of Cd109, Pcp4 And Sema3d Genes For Their Association With Ovine Johne’S Disease In Turkish Sheep, Yalçın Yaman, Ramazan Aymaz, Murat Keleş, Veysel Bay, Ecem Hatipoğlu, Cüneyt Kaptan, Atilla Başkurt, Onur Yilmaz, Michael P. Heaton
Roman L. Hruska U.S. Meat Animal Research Center: Reports
Johne’s disease is a chronic, contagious, zoonotic disease that affects numerous species including livestock and sometimes humans. The disease is globally distributed in sheep populations and caused by Mycobacterium avium Subsp. paratuberculosis (MAP). A previous genome-wide association study identified single nucleotide polymorphism (SNP) markers associated with OJD serostatus in CD109, PCP4, and SEMA3D genes. Our aim was to evaluate the same markers for association with OJD seroprevalence in Turkish sheep in a retrospective matched case-control study. The serological status for OJD in 1801 sheep was determined for four native and four composite breeds from three research flocks. One hundred eleven …
Accuracy Of Gebv Of Sires Based On Pooled Allele Frequency Of Their Progeny, Napoleón Vargas Jurado, Larry A. Kuehn, John W. Keele, Ronald M. Lewis
Accuracy Of Gebv Of Sires Based On Pooled Allele Frequency Of Their Progeny, Napoleón Vargas Jurado, Larry A. Kuehn, John W. Keele, Ronald M. Lewis
Roman L. Hruska U.S. Meat Animal Research Center: Reports
Despite decreasing genotyping costs, in some cases individually genotyping animals is not economically feasible (e.g., in small ruminants). An alternative is to pool DNA, using the pooled allele frequency (PAF) to garner information on performance. Still, the use of PAF for prediction (estimation of genomic breeding values; GEBVs) has been limited. Two potential sources of error on accuracy of GEBV of sires, obtained from PAF of their progeny themselves lacking pedigree information, were tested: (i) pool construction error (unequal contribution of DNA from animals in pools), and (ii) technical error (variability when reading the array). Pooling design (random, extremes, K-means), …
Development And Validation Of A Neural Network For The Automated Detection Of Horn Flies On Cattle, Eric T. Psota, E. K. Luc, G. M. Pighetti, L. G. Schneider, R. T. Trout Fryxell, J. W. Keele, L. A. Kuehn
Development And Validation Of A Neural Network For The Automated Detection Of Horn Flies On Cattle, Eric T. Psota, E. K. Luc, G. M. Pighetti, L. G. Schneider, R. T. Trout Fryxell, J. W. Keele, L. A. Kuehn
Roman L. Hruska U.S. Meat Animal Research Center: Reports
When the number of horn flies that blood feed on cattle exceeds the economic threshold, they can adversely affect the health and wellbeing of their hosts. Excessive horn fly burdens also lead to reduced weight gain and, consequently, diminished profits for livestock producers. Effective management and treatment require reliable surveillance methods for estimating the degree of horn fly burden (i.e., counting the number of flies on cattle). Traditionally, these estimates are obtained through human visual estimation, either in-person or by counting images on a photo; however, these methods are costly both in terms of time and labor and are prone …
Comment On: “A Review Of The Complementary Principle Of Evaporation: From The Original Linear Relationship To Generalized Nonlinear Functions” By Han And Tian (2020), Richard D. Crago, Jozsef Szilagyi, Russell Qualls
Comment On: “A Review Of The Complementary Principle Of Evaporation: From The Original Linear Relationship To Generalized Nonlinear Functions” By Han And Tian (2020), Richard D. Crago, Jozsef Szilagyi, Russell Qualls
School of Natural Resources: Faculty Publications
The paper by Han and Tian (2020) reviews the history of developments in the complementary relationship (CR) between actual and potential evaporation and introduces the generalized complementary principle (GCP) developed by the authors. This comment assesses whether the GCP: (1) can give reasonable results from a wide range of surfaces worldwide; (2) is supported by experimental data that verify the three stages of evaporation implicit in the GCP, particularly in the wet-surface limit; (3) has been proven to be correct by the authors in a previous paper; and (4) is supported by model studies showing that wet surfaces occur predominantly …
Is Hay For The Birds? Investigating Landowner Willingness To Time Hay Harvests For Grassland Bird Conservation, Matthew P. Gruntorad, Katherine A. Graham, Nico Arcilla, Christopher J. Chizinski
Is Hay For The Birds? Investigating Landowner Willingness To Time Hay Harvests For Grassland Bird Conservation, Matthew P. Gruntorad, Katherine A. Graham, Nico Arcilla, Christopher J. Chizinski
School of Natural Resources: Faculty Publications
Birds in agricultural environments have exhibited steep global population declines in recent decades, and effective conservation strategies targeting their populations are urgently needed. In grasslands used for hay production, breeding birds’ nest success improves substantially if hay harvests are delayed until after mid-July. However, few studies have investigated private hay producers’ willingness to alter their harvesting practices to support bird conservation, a critical factor for bird conservation where most land is privately owned, such as in the North American Great Plains. We surveyed Nebraska hay producers to examine whether livestock production, wildlife knowledge, and hunting activity affects their willingness to …
A Unified Vegetation Index For Quantifying The Terrestrial Biosphere, Gustau Camps-Valls, Manuel Campos-Taberner, Alvaro Moreno-Martinez, Sophia Walther, Gregory Duveiller, Alessandro Cescatti, Miguel D. Mahecha, Jordi Munoz-Mari, Francisco Javier Garcia-Haro, Luis Guanter, Martin Jung, John A. Gamon, Markus Reichstein, Steven W. Running
A Unified Vegetation Index For Quantifying The Terrestrial Biosphere, Gustau Camps-Valls, Manuel Campos-Taberner, Alvaro Moreno-Martinez, Sophia Walther, Gregory Duveiller, Alessandro Cescatti, Miguel D. Mahecha, Jordi Munoz-Mari, Francisco Javier Garcia-Haro, Luis Guanter, Martin Jung, John A. Gamon, Markus Reichstein, Steven W. Running
School of Natural Resources: Faculty Publications
Empirical vegetation indices derived from spectral reflectance data are widely used in remote sensing of the biosphere, as they represent robust proxies for canopy structure, leaf pigment content, and, subsequently, plant photosynthetic potential. Here, we generalize the broad family of commonly used vegetation indices by exploiting all higher-order relations between the spectral channels involved. This results in a higher sensitivity to vegetation biophysical and physiological parameters. The presented nonlinear generalization of the celebrated normalized difference vegetation index (NDVI) consistently improves accuracy in monitoring key parameters, such as leaf area index, gross primary productivity, and sun-induced chlorophyll fluorescence. Results suggest that …
Per- And Polyfluoroalkyl Substance (Pfas) Transport From Groundwater To Streams Near A Pfas Manufacturing Facility In North Carolina, Usa, Marie-Amélie Pétré, David P. Genereux, Lydia Koropeckyj-Cox, Detlef R.U. Knappe, Sandrine Duboscq, Troy E. Gilmore, Zachary R. Hopkins
Per- And Polyfluoroalkyl Substance (Pfas) Transport From Groundwater To Streams Near A Pfas Manufacturing Facility In North Carolina, Usa, Marie-Amélie Pétré, David P. Genereux, Lydia Koropeckyj-Cox, Detlef R.U. Knappe, Sandrine Duboscq, Troy E. Gilmore, Zachary R. Hopkins
School of Natural Resources: Faculty Publications
We quantified per- and polyfluoroalkyl substance (PFAS) transport from groundwater to five tributaries of the Cape Fear River near a PFAS manufacturing facility in North Carolina (USA). Hydrologic and PFAS data were coupled to quantify PFAS fluxes from groundwater to the tributaries. Up to 29 PFAS were analyzed, including perfluoroalkyl acids and recently identified fluoroethers. Total quantified PFAS (ΣPFAS) in groundwater was 20−4773 ng/L (mean = 1863 ng/L); the range for stream water was 426−3617 ng/L (mean = 1717 ng/L). Eight PFAS constituted 98% of ΣPFAS; perfluoro-2-(perfluoromethoxy)propanoic acid (PMPA) and hexafluoropropylene oxide dimer acid (GenX) accounted for 61%. For PFAS …
Ecophysio-Optical Traits Of Semiarid Nebraska Grasslands Under Different Juniperus Virginiana And Pinus Ponderosa Canopy Covers, Anastasios Mazis, Julie A. Fowler, Jeremy Hiller, Yuzhen Zhou, Brian Wardlow, David A. Wedin, Tala Awada
Ecophysio-Optical Traits Of Semiarid Nebraska Grasslands Under Different Juniperus Virginiana And Pinus Ponderosa Canopy Covers, Anastasios Mazis, Julie A. Fowler, Jeremy Hiller, Yuzhen Zhou, Brian Wardlow, David A. Wedin, Tala Awada
School of Natural Resources: Faculty Publications
Despite conservation efforts in the U.S. Great Plains, woody species have continued to expand at an unprecedented rate, threatening key ecosystem services and resilience. Cross-scale monitoring of these grasslands is key to successful integrative management strategies. In this study we measured plant optical traits derived from hyperspectral proximal sensing techniques with a field spectrometer, coupled with field-based measurements, including fluorescence and chlorophyll content, to determine the impacts of Juniperus virginiana and Pinus ponderosa expansion on grasslands health in Nebraska Sandhills, and investigated the use of optical-based approaches as indicators of successful monitoring of grasslands. Our results showed that higher woody …
How Well Do U.S. Western Water Markets Convey Economic Information, R. Rimsaite, K. Fisher-Vanden, S. Olmstead, D. Grogan
How Well Do U.S. Western Water Markets Convey Economic Information, R. Rimsaite, K. Fisher-Vanden, S. Olmstead, D. Grogan
School of Natural Resources: Faculty Publications
No abstract provided.
Guiding Principles For Using Satellite-Derived Maps In Rangeland Management, B.W. Allred, M.K. Creutzburg, J.C. Carlson, C.J. Cole, C.M. Dovichin, M.C. Duniway, O. Jones, J.D. Maestas, D.E. Naugle, T.W. Nauman, G.S. Okin, M.C. Reeves, Matthew C. Rigge, L. Savage, Dirac Twidwell, D.R. Uden, B. Zhou
Guiding Principles For Using Satellite-Derived Maps In Rangeland Management, B.W. Allred, M.K. Creutzburg, J.C. Carlson, C.J. Cole, C.M. Dovichin, M.C. Duniway, O. Jones, J.D. Maestas, D.E. Naugle, T.W. Nauman, G.S. Okin, M.C. Reeves, Matthew C. Rigge, L. Savage, Dirac Twidwell, D.R. Uden, B. Zhou
School of Natural Resources: Faculty Publications
No abstract provided.
Improving Landsat Predictions Of Rangeland Fractional Cover With Multi-Task Learning And Uncertainty, B.W. Allred, B. Bestelmeyer, C.S. Boyd, C. Brown, K.W. Davies, M. Ellsworth, T. Erickson, S.D. Fuhlendorf, T.V. Griffiths, V. Jansen, M.O. Jones, J. Karl, A. Knight, J.D. Maestas, J.J. Maynard, S.E. Mccord, D.E. Naugle, H.D. Starns, D. Twidwell, D.R. Uden
Improving Landsat Predictions Of Rangeland Fractional Cover With Multi-Task Learning And Uncertainty, B.W. Allred, B. Bestelmeyer, C.S. Boyd, C. Brown, K.W. Davies, M. Ellsworth, T. Erickson, S.D. Fuhlendorf, T.V. Griffiths, V. Jansen, M.O. Jones, J. Karl, A. Knight, J.D. Maestas, J.J. Maynard, S.E. Mccord, D.E. Naugle, H.D. Starns, D. Twidwell, D.R. Uden
School of Natural Resources: Faculty Publications
No abstract provided.
Responses Of Multiple Structural And Functional Indicators Along Three Contrasting Disturbance Gradients, Amelie Truchy, Ryan A. Sponseller, Frauke Ecke, David G. Angeler, Maria Kahlert, Mirco Bundschuh, Richard K. Johnson, Brendan G. Mckie
Responses Of Multiple Structural And Functional Indicators Along Three Contrasting Disturbance Gradients, Amelie Truchy, Ryan A. Sponseller, Frauke Ecke, David G. Angeler, Maria Kahlert, Mirco Bundschuh, Richard K. Johnson, Brendan G. Mckie
School of Natural Resources: Faculty Publications
Ecosystem functioning and community structure are recognized as key components of ecosystem integrity, but comprehensive, standardized studies of the responses of both structural and functional indicators to different types of anthropogenic pressures remain rare. Consequently, we lack an empirical basis for (i) identifying when monitoring ecosystem structure alone misses important changes in ecosystem functioning, (ii) recommending sets of structural and functional metrics best suited for detecting ecological change driven by different anthropogenic pressures, and (iii) understanding the cumulative effects of multiple, co-occurring stressors on structure and function. We investigated variation in community structure and ecosystem functioning of stream ecosystems along …
Joint Effects Of Climate, Tree Size, And Year On Annual Tree Growth Derived From Tree-Ring Records Of Ten Globally Distributed Forests, K.J. Anderson-Teixeira, V. Hermann, C.R. Rollinson, B. Gonzalez, E.B. Gonzalez-Akre, N. Pederson, M.R. Alexander, C.D. Allen, R. Alfaro-Sanchez, T. Awada, J.L. Baltzer, P. J. Baker, J. D. Birch, S. Bunyavejchewin, P. Cherubini, S. J. Davies, C. Dow, R. Helcoski, J. Kaspar, J. A. Lutz, E. Q. Margolis, J. T. Maxwell, S. M. Mcmahon, C. Piponiot, S. E. Russo, P. Samonil, A. E. Sniderhan, A. J. Tepley, I. Vasickova, M Vlam, P. A. Zuidema
Joint Effects Of Climate, Tree Size, And Year On Annual Tree Growth Derived From Tree-Ring Records Of Ten Globally Distributed Forests, K.J. Anderson-Teixeira, V. Hermann, C.R. Rollinson, B. Gonzalez, E.B. Gonzalez-Akre, N. Pederson, M.R. Alexander, C.D. Allen, R. Alfaro-Sanchez, T. Awada, J.L. Baltzer, P. J. Baker, J. D. Birch, S. Bunyavejchewin, P. Cherubini, S. J. Davies, C. Dow, R. Helcoski, J. Kaspar, J. A. Lutz, E. Q. Margolis, J. T. Maxwell, S. M. Mcmahon, C. Piponiot, S. E. Russo, P. Samonil, A. E. Sniderhan, A. J. Tepley, I. Vasickova, M Vlam, P. A. Zuidema
School of Natural Resources: Faculty Publications
No abstract provided.