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Articles 91 - 120 of 3204
Full-Text Articles in Earth Sciences
Sheep On The Tibetan Plateau Flock Structure And Breeding Strategies, Luming Ding, Ruijun Long, Xusheng Guo, Wolfgang Bayer
Sheep On The Tibetan Plateau Flock Structure And Breeding Strategies, Luming Ding, Ruijun Long, Xusheng Guo, Wolfgang Bayer
IGC Proceedings (1977-2023)
No abstract provided.
A Conceptual Model Evaluation Framework For Adaptive Governance And Adaptive Management In Large-Scale Restoration Programs, Chadwin Smith
A Conceptual Model Evaluation Framework For Adaptive Governance And Adaptive Management In Large-Scale Restoration Programs, Chadwin Smith
School of Natural Resources: Dissertations, Theses, and Student Research
Adaptive management (AM) has become a kind of plastic phrase applied as a formulaic panacea for most major species recovery and ecosystem restoration efforts now underway across the United States. AM emerged as an application of the scientific method to resource management, closely tying management to science learning through experimental actions. The phrase “learning by doing” best captures the premise behind developing an experimental management approach that could be applied on the larger scale of a river system or ecosystem. In nearly five decades of application, however, examples of successful AM implementation at large scales are few and conflict remains …
Efficient And Mild Four-Component Process For The Synthesis Of Highly Substituted Dihydro-2-Oxopyrroles Using Zrocl2∙8h2o As An Environmental-Ly Friendly Catalyst, Farzaneh Mohamadpour
Efficient And Mild Four-Component Process For The Synthesis Of Highly Substituted Dihydro-2-Oxopyrroles Using Zrocl2∙8h2o As An Environmental-Ly Friendly Catalyst, Farzaneh Mohamadpour
Makara Journal of Science
This study investigated the catalytic ability of ZrOCl2∙8H2O as a mild, environmentally benign nature, and economical catalyst for the multi-component efficient synthesis of biologically active highly substituted dihydro-2-oxopyrrole derivatives with excellent yields and short reaction times. This procedure has several advantages, including use of mild, nontoxic, and inexpensive catalysts, one-pot synthesis, environmentally benign nature, simple operational procedure, and highly efficient conditions.
Computational Analysis Of Chromophore Tripeptides Followingfusion Of Enhanced Green Fluorescent Protein And Cell-Penetrating Peptides, Silvia Tri Widyaningtyas, Ekawati Betty Pratiwi, Budiman Bela
Computational Analysis Of Chromophore Tripeptides Followingfusion Of Enhanced Green Fluorescent Protein And Cell-Penetrating Peptides, Silvia Tri Widyaningtyas, Ekawati Betty Pratiwi, Budiman Bela
Makara Journal of Science
Cell-penetrating peptides (CPPs) are small peptides that can transfer other materials into a cellular compartment. In this research, we studied the effect of fusion of new CPPs to the N-terminal of enhanced Green Fluorescent Protein eGFP on the ability of the latter to fluoresce. Results showed that the recombinant protein CPPs-eGFP could be successfully expressed in Escherichia coli. In contrast to E. coli expressing wild-type eGFP, which could fluoresce under ultraviolet (UV) or visible light, E. coli expressing CPPs-eGFP lost their ability to fluoresce. PyMol, a molecular visualization system, revealed that fusion of the new CPPs to the N-terminal …
Evaluation Of The Intake Of Fresh Mulberry In Crossbred Large White Pigs: Morphometric, Histological And Hematological Study, Yuvan Contino, F. Ojeda, R. Herrera, Nancy Altunaga, Guadalupe Pérez, J. L. Moliner
Evaluation Of The Intake Of Fresh Mulberry In Crossbred Large White Pigs: Morphometric, Histological And Hematological Study, Yuvan Contino, F. Ojeda, R. Herrera, Nancy Altunaga, Guadalupe Pérez, J. L. Moliner
IGC Proceedings (1977-2023)
No abstract provided.
Use Of A Simulation Model To Develop Feeding Strategies For Cattle At Pasture In Small Scale Dairy Farming Systems In The Highlands Of Central Mexico: Methodological Frame Work, O. A. Castelán-Ortega, J. G. Estrada‐Flores, A. M. J. Espinoza‐Ortega, E. Sánchez‐Vera, M. Hernández‐Ortega, M. A. Rojas‐Garduño, V. Ambriz‐Vilchis
Use Of A Simulation Model To Develop Feeding Strategies For Cattle At Pasture In Small Scale Dairy Farming Systems In The Highlands Of Central Mexico: Methodological Frame Work, O. A. Castelán-Ortega, J. G. Estrada‐Flores, A. M. J. Espinoza‐Ortega, E. Sánchez‐Vera, M. Hernández‐Ortega, M. A. Rojas‐Garduño, V. Ambriz‐Vilchis
IGC Proceedings (1977-2023)
No abstract provided.
The Utilization Of Stored Soil Moistures For Forage Legumes Supply In The Dry Season In West Timor, Indonesia, Esnawan Budisantoso, Neal Dalgliesh, P. Th. Fernandez, T. Basuki, E. Hosang, D. Kana Hau, Jacob Nulik
The Utilization Of Stored Soil Moistures For Forage Legumes Supply In The Dry Season In West Timor, Indonesia, Esnawan Budisantoso, Neal Dalgliesh, P. Th. Fernandez, T. Basuki, E. Hosang, D. Kana Hau, Jacob Nulik
IGC Proceedings (1977-2023)
No abstract provided.
Cultivating The Surface Soil To Renovate A Grama Rhodes (Chloris Gayana K. Cv. Callide) Pasture In Northwest Argentine (Noa). 2. Effect Of Nitrogen Fertilization, R. N. Berti
IGC Proceedings (1977-2023)
No abstract provided.
Cultivating The Surface Soil To Renovate A Grama Rhodes (Chloris Gayana K. Cv. Callide) Pasture In Northwest Argentine (Noa). 1. Effect Of Implements, R. N. Berti
IGC Proceedings (1977-2023)
No abstract provided.
Productivity Of Different Lamb Production Systems In Temperate And Tropical Pasture Of The Southern Region Of Brazil, Alda L. G. Monteiro, Cesar H. E. C. Poli, T. D. M. Ribeiro, Anibal De Moraes, O. R. Prado, H. Von L. Piazzetta
Productivity Of Different Lamb Production Systems In Temperate And Tropical Pasture Of The Southern Region Of Brazil, Alda L. G. Monteiro, Cesar H. E. C. Poli, T. D. M. Ribeiro, Anibal De Moraes, O. R. Prado, H. Von L. Piazzetta
IGC Proceedings (1977-2023)
No abstract provided.
Machine Learning Model Selection For Predicting Global Bathymetry, Nicholas P. Moran
Machine Learning Model Selection For Predicting Global Bathymetry, Nicholas P. Moran
LSU New Orleans Theses and Dissertations
This work is concerned with the viability of Machine Learning (ML) in training models for predicting global bathymetry, and whether there is a best fit model for predicting that bathymetry. The desired result is an investigation of the ability for ML to be used in future prediction models and to experiment with multiple trained models to determine an optimum selection. Ocean features were aggregated from a set of external studies and placed into two minute spatial grids representing the earth's oceans. A set of regression models, classification models, and a novel classification model were then fit to this data and …
Influence Of Some Climatic Elements On Radon Concentration In Saeva Dupka Cave, Bulgaria, Peter Nojarov, Petar Stefanov, Karel Turek
Influence Of Some Climatic Elements On Radon Concentration In Saeva Dupka Cave, Bulgaria, Peter Nojarov, Petar Stefanov, Karel Turek
International Journal of Speleology
This study reveals the influence of some climatic elements on radon concentration in Saeva Dupka Cave, Bulgaria. The research is based mainly on statistical methods. Radon concentration in the cave is determined by two main mechanisms. The first one is through penetration of radon from soil and rocks around the cave (present all year round, but has leading role during the warm half of the year). The second one is through thermodynamic exchange of air between inside of the cave and outside atmosphere (cold half of the year). Climatic factors that affect radon concentration in the cave are temperatures (air, …
Short And Long Term Effects Of Lime And Gypsum Applications On Acid Soils In A Water-Limited Environment: 2. Soil Chemical Properties, Geoff Anderson, Shahab Pathan, James Easton, David Hall, Rajesh Sharma
Short And Long Term Effects Of Lime And Gypsum Applications On Acid Soils In A Water-Limited Environment: 2. Soil Chemical Properties, Geoff Anderson, Shahab Pathan, James Easton, David Hall, Rajesh Sharma
Grain and Other Field Crops Research Articles
Soil acidity or aluminum (Al) toxicity is a major limitation to crop production. In this paper, we examine the effects of surface-applied lime and gypsum on soil profile chemical properties that affect Al toxicity in short-term (1 year), medium-term (2 years and 8 months) and long-term (10 years) experiments. Sulfate applied to the soil surface as gypsum was leached rapidly to a depth of 40 cm in the short-term despite relatively low amounts (279 mm) of rainfall. In the medium and long-term experiments, 28–54% of the sulfate applied as gypsum was retained in the 0–50 cm soil layer due to …
Paleoseismic Studies Using Geophysical Techniques: Sand Blow Features In Eastern Arkansas, Rauf R. Hussein
Paleoseismic Studies Using Geophysical Techniques: Sand Blow Features In Eastern Arkansas, Rauf R. Hussein
Theses and Dissertations
Damaging earthquakes including pre-historical, historical and recent demand paleoseismic studies to improve seismic risk assessment of future destructive earthquakes. Such large earthquakes could damage many structures, kill scores of people and leave others homeless, and devastate the economy. In this study, extensive research efforts are described to investigate the feasibility and effectiveness of using Ground Penetrating Radar (GPR) in detecting and identifying specific geological features that are related to historic and prehistoric earthquakes. These features are preserved in the near surface soil and manifested as sand blows, buried paleo-surfaces, venting dikes, and structural faults. They are related to severe cyclic …
The Evaluation Of Two Cultivation Methods To Over‐Sow Perennial Clovers Into Kikuyu, Philip R. Botha, Robin Meeske, Hennie A. Snyman
The Evaluation Of Two Cultivation Methods To Over‐Sow Perennial Clovers Into Kikuyu, Philip R. Botha, Robin Meeske, Hennie A. Snyman
IGC Proceedings (1977-2023)
No abstract provided.
Temporal Mobility Patterns Of Livestock In Semi‐Arid Communal Rangelands In South Africa, Igshaan Samuels, Nicky Allsopp, Timm Hoffman
Temporal Mobility Patterns Of Livestock In Semi‐Arid Communal Rangelands In South Africa, Igshaan Samuels, Nicky Allsopp, Timm Hoffman
IGC Proceedings (1977-2023)
No abstract provided.
Energetic Supplementation For Beef Heifers Grazing Temperate Pasture, Marta G. Da Rocha, L. Potter
Energetic Supplementation For Beef Heifers Grazing Temperate Pasture, Marta G. Da Rocha, L. Potter
IGC Proceedings (1977-2023)
No abstract provided.
Annual Legumes With Greater Water Use Efficiency Can Overcome Seasonal Feed Imbalance, Belinda Hackney, B. Dear, G. Dyce, C. Rodham, G. Li
Annual Legumes With Greater Water Use Efficiency Can Overcome Seasonal Feed Imbalance, Belinda Hackney, B. Dear, G. Dyce, C. Rodham, G. Li
IGC Proceedings (1977-2023)
No abstract provided.
Productive And Sustainable Pasture Systems: Responding To Climate Variability In The South West Of Australia, Ned Crossley
Productive And Sustainable Pasture Systems: Responding To Climate Variability In The South West Of Australia, Ned Crossley
IGC Proceedings (1977-2023)
No abstract provided.
Performance Of Beef Cattle Females Grazing Under Different Feeding Systems Based On Native Pastures In Southern Brazil, Carlos Nabinger, Teresa C. M. Genro, F. F. Cardoso, M. G. Orqis, M. M. Oliveira, D. P. Montardo
Performance Of Beef Cattle Females Grazing Under Different Feeding Systems Based On Native Pastures In Southern Brazil, Carlos Nabinger, Teresa C. M. Genro, F. F. Cardoso, M. G. Orqis, M. M. Oliveira, D. P. Montardo
IGC Proceedings (1977-2023)
No abstract provided.
3d Numerical Simulation-Based Targeting Of Skarn Type Mineralization Within The Xuancheng-Magushan Orefield, Middle-Lower Yangtze Metallogenic Belt, China, Xunyu Hu, Xiaohui Li, Feng Yuan, Simon M. Jowitt, Alison Ord, Rui Ye, Yue Li, Wenqiang Dai, Xiangling Li
3d Numerical Simulation-Based Targeting Of Skarn Type Mineralization Within The Xuancheng-Magushan Orefield, Middle-Lower Yangtze Metallogenic Belt, China, Xunyu Hu, Xiaohui Li, Feng Yuan, Simon M. Jowitt, Alison Ord, Rui Ye, Yue Li, Wenqiang Dai, Xiangling Li
Geoscience Faculty Research
Recent exploration has identified a series of Cu-Mo skarn deposits within the Xuancheng-Magushan orefield. The orefield forms part of the Nanling-Xuancheng mining district, which is located within the Middle-Lower Yangtze River Metallogenic Belt (MLYRMB) of central-eastern China. However, this area contains thick and widespread unprospective sedimentary cover sequences that have impeded traditional approaches to mineral exploration. This study presents the results of 3D numerical simulation modeling that identifies possible mineral exploration targets within the entire Xuancheng-Magushan orefield. This modeling enables the identification of unexplored areas with significant exploration potential that are covered by thick sedimentary sequences that cannot be easily …
Species Distribution Modeling For Arid Adapted Habitat Specialists In Zion National Park, Sam Driver, Daniel R. Unger, David L. Kulhavy, Chris M. Schalk
Species Distribution Modeling For Arid Adapted Habitat Specialists In Zion National Park, Sam Driver, Daniel R. Unger, David L. Kulhavy, Chris M. Schalk
Student Publications
The Arizona toad (Anaxyrus microscaphus) and Jones’ waxy dogbane (Cycladenia humilis var. jonesii) are habitat specialists with historical ranges in the desert southwest and specifically, Zion National Park (ZION). The machine learning method, MaxEnt, constructed species distribution models (SDMs) in ZION for the two study species at 30 m and 900 m spatial resolutions using climate, topographic, and remotely sensed data. Additionally, 900 m forecasting models were constructed to observe the shifts in suitable habitat for the years 2050 and 2070, based off two representative concentration pathway scenarios. Results indicate promising predictive power for both high …
Response Of Deep Aquifers To Climate Variability, Karem Fathy Abdelgaber Abdelmohsen
Response Of Deep Aquifers To Climate Variability, Karem Fathy Abdelgaber Abdelmohsen
Dissertations
Our recent analysis of Temporal Gravity Recovery and Climate Experiment (GRACE) solutions over the largest aquifer system in Africa (the Nubian Sandstone Aquifer System: NSAS) revealed that while the response of deep aquifers to climatic variations remains a relatively slow process that takes thousands to tens of thousands of years, there is a much faster response in aquifers that are characterized by dense networks of faults, fractures and karst as is the case with the NSAS. This rapid groundwater flow, when it occurs, is detected as an increase in GRACETWS over areas downgradient and distant (hundreds of km) from …
Species Distribution Modeling For Arid Adapted Habitat Specialists In Zion National Park, Sam Driver, Chris M. Schalk, Daniel Unger, David Kulhavy
Species Distribution Modeling For Arid Adapted Habitat Specialists In Zion National Park, Sam Driver, Chris M. Schalk, Daniel Unger, David Kulhavy
Electronic Theses and Dissertations
The Arizona toad (Anaxyrus microscaphus) and Jones’ waxy dogbane (Cycladenia humilis var. jonesii) are habitat specialists with historical ranges in the desert southwest and specifically, Zion National Park (ZION). The machine learning method, MaxEnt, constructed species distribution models (SDMs) in ZION for the two study species at 30 m and 900 m spatial resolutions using climate, topographic, and remotely sensed data. Additionally, 900 m forecasting models were constructed to observe the shifts in suitable habitat for the years 2050 and 2070, based off two representative concentration pathway scenarios. Results indicate promising predictive power for both high …
A Test Of Grazing Experimental Design And Grazing Effects In A Mixed Grassland Ecosystem, Xiaohui Yang, Xulin Guo
A Test Of Grazing Experimental Design And Grazing Effects In A Mixed Grassland Ecosystem, Xiaohui Yang, Xulin Guo
IGC Proceedings (1977-2023)
No abstract provided.
Sheep Production On High Desert Rangelands And Irrigated Pasture, Tumen Wuliji, Hudson Glimp, Barry L. Perryman, Wendy Rauw, Tom Filbin
Sheep Production On High Desert Rangelands And Irrigated Pasture, Tumen Wuliji, Hudson Glimp, Barry L. Perryman, Wendy Rauw, Tom Filbin
IGC Proceedings (1977-2023)
No abstract provided.
Grazing Management For The Tropical Savannas Of Northern Australia: Utilisation Rates And Timing Of Spelling, Andrew I. White, L. P. Hunt, S. R. Petty, Dennis P. Poppi
Grazing Management For The Tropical Savannas Of Northern Australia: Utilisation Rates And Timing Of Spelling, Andrew I. White, L. P. Hunt, S. R. Petty, Dennis P. Poppi
IGC Proceedings (1977-2023)
No abstract provided.
Short Term Variations In The Leaf Area Index, Tiller Density And Botanical Composition Of The Grassland In Inner Mongolia As Affected By Light To Very Heavy Grazing Intensities, H. Wan, P. Schönbach, M. Gierus, Anne Schiborra, Y. Bai, Friedhelm Taube
Short Term Variations In The Leaf Area Index, Tiller Density And Botanical Composition Of The Grassland In Inner Mongolia As Affected By Light To Very Heavy Grazing Intensities, H. Wan, P. Schönbach, M. Gierus, Anne Schiborra, Y. Bai, Friedhelm Taube
IGC Proceedings (1977-2023)
No abstract provided.
The Use Of Concentrate Supplements To Overcome Seasonal Shortages Of Grazed Herbage In Beef Production Systems, Valéria P. B. Euclides, Kepler Euclides Filho, Fernando Paim Costa, Alexandre Scaff Raffia
The Use Of Concentrate Supplements To Overcome Seasonal Shortages Of Grazed Herbage In Beef Production Systems, Valéria P. B. Euclides, Kepler Euclides Filho, Fernando Paim Costa, Alexandre Scaff Raffia
IGC Proceedings (1977-2023)
No abstract provided.
Effects Of Novel Ryegrass Endophytes On Pasture Production And Milk Production From Dairy Cows In Northern New Zealand, Errol R. Thom, C. D. Waugh, E. M. K. Minneé, G. C. Waghorn, Alison J. Popay
Effects Of Novel Ryegrass Endophytes On Pasture Production And Milk Production From Dairy Cows In Northern New Zealand, Errol R. Thom, C. D. Waugh, E. M. K. Minneé, G. C. Waghorn, Alison J. Popay
IGC Proceedings (1977-2023)
No abstract provided.