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First recognition of the extinct eudicot genus Palibinia in North America:Leaves and fruits of Palibinia comptonifolia(R.W.Br.)comb.nov.from the Eocene of Utah and Colorado,USA被引量：1: 《Journal of Systematics and Evolution》2024年第1期149-163,共15页Steven R.Manchester Walter S.Judd Tatiana Kodrul; Newly investigated leafy twigs bearing axillary fruits from the Eocene Parachute Creek Member of the Green River Formation in eastern Utah,USA,have provided more information on the species previously attributed to the...; 关键词：BONANZA UTAH extinct angiosperm fossil fruits fossil leaves Parachute Creek Member

Large-diameter trees and deadwood correspond with belowground ectomycorrhizal fungal richness: 《Ecological Processes》2023年第1期31-45,共15页Joseph D.Birch James A.Lutz Soren Struckman Jessica R.Miesel Justine Karst; Funding was received from the Natural Science and Engineering Council of Canada to JK and the Utah Agricultural Experiment Station(Projects 1153,1398 and 1423 to JAL)which has designated this as Journal Paper 9626.; Background: Large-diameter trees have an outsized influence on aboveground forest dynamics, composition, and structure. Although their influence on aboveground processes is well studied, their role in shaping belowgro...; 关键词：Belowground ecology Ectomycorrhizal fungi Pinus flexilis Pinus longaeva Saprotrophic fungi Smithsonian ForestGEO Spatial dynamics Utah Forest Dynamics Plot

Large-diameter trees, snags, and deadwood in southern Utah, USA被引量：1: 《Ecological Processes》2021年第1期130-141,共12页James A.Lutz Soren Struckman Tucker J.Furniss Joseph D.Birch Larissa L.Yocom Darren J.McAvoy; Funding was received from the Utah Agricultural Experiment Station(projects 1153 and 1398 to JAL and 1423 to JAL,LLY,and DJM)and the Smithsonian Institution ForestGEO.Research was performed under the National Park Service research permits CEBR-2014-SCI-0001,CEBR-2015-SCI0001,CEBR-2016-SCI-0001,CEBR-2017-SCI-0001,CEBR-2018-SCI-0001,and CEBR-2019-SCI-0001 for study CEBR-00016.; Background:The epidemic Dendroctonus rufipennis(spruce beetle)outbreak in the subalpine forests of the Colorado Plateau in the 1990s killed most larger Picea engelmannii(Engelmann spruce)trees.One quarter century late...; 关键词：Cedar Breaks National Monument Dendroctonus rufipennis Utah Forest Dynamics Plot Vertical fuel structure

Measuring the Social Net Benefits of COVID-19 Restrictions: The Case of Reduced Vehicle Use in a Pollution-Prone Region of Utah: 《Journal of Environmental Protection》2021年第11期887-902,共16页Ethan Hartley Arthur J. Caplan; A number of natural experiments have recently found that COVID-19 restrictions imposed in nations worldwide are correlated with short-term reductions—in some cases dramatic reductions—in mobile-source air pollutants...; 关键词：Social Net Benefits COVID-19 Restrictions Mobile-Source Air Pollution

Investigation of the anisotropic confinement-dependent brittleness of a Utah coal被引量：3: 《International Journal of Coal Science & Technology》2021年第2期274-290,共17页Bo-Hyun Kim Gabriel Walton Mark KLarson Steve Berry; Changes of failure mechanism with increasing confinement,from extensional to shear-dominated failure,are widely observed in the rupture of intact specimens at the laboratory scale and in rock masses.In an analysis pub...; 关键词：Utah coal Spalling limit AUCS/UCS ratio Damage characteristic Post-yield dilatancy ANISOTROPIC

Pillar design and coal burst experience in Utah Book Cliffs longwall operations被引量：1: 《International Journal of Mining Science and Technology》2021年第1期33-41,共9页Christopher Mark Michael Gauna; Longwall mining has existed in Utah for more than half a century.Much of this mining occurred at depths of cover that significantly exceed those encountered by most other US longwall operations.Deep cover causes high ...; 关键词：LONGWALL Ground control Coal burst Pillar design Yield pillar

Laboratory investigation of the anisotropic confinement-dependent brittle-ductile transition of a Utah coal被引量：1: 《International Journal of Mining Science and Technology》2021年第1期51-57,共7页Bo-Hyun Kim Mark K.Larson; The authors would like to thanks to Steve Berry at Montana Tech for his working on the lab testing.; This paper was developed as part of an effort by the National Institute for Occupational Safety and Health(NIOSH)to identify risk factors associated with bumps in the prevention of fatalities and accidents in highly s...; 关键词：Bump-prone ground conditions A Utah coal ANISOTROPIC Equivalent W/H ratios of a pillar

Salt Balance of Moderately Saline-Alkaline Rangeland Soil and Runoff Water Quality from Rainfall Simulation Studies near Moab,Utah U.S.A.: 《Journal of Geological Resource and Engineering》2020年第1期1-19,共19页Awadis Arslan Kossi Nouwakpo Mark Weltz; A Walnut Gulch rainfall simulator was used to determine runoff water quality and salt balance of a Sandy Loam moderately saline-alkaline site containing 0.27%of gypsum near Moab,Utah.Four rainfall intensities correspo...; 关键词：Erosion modeling rainfall simulation RANGELAND water quality SALINITY

Spatial Analysis of Livestock Grazing and Forest Service Management in the High Uintas Wilderness, Utah: 《Journal of Geographic Information System》2020年第2期45-69,共25页John Carter Emanuel Vasquez Allison Jones; This case study addresses the Forest Service reauthorization for grazing of domestic sheep in Utah’s High Uintas Wilderness, USA. It provides an approach using spatial analysis and aerial imagery to evaluate the land...; 关键词：LIVESTOCK Capacity WILDERNESS SPATIAL Analysis REMOTE SENSING

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