Arid

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Biological invasions and climate change amplify each other's effects on dryland degradation 期刊论文
发表期刊: GLOBAL CHANGE BIOLOGY. 出版年: 2022
作者:  Ravi, Sujith;  Law, Darin J.;  Caplan, Joshua S.;  Barron-Gafford, Greg A.;  Dontsova, Katerina M.;  Espeleta, Javier F.;  Villegas, Juan C.;  Okin, Gregory S.;  Breshears, David D.;  Huxman, Travis E.
收藏  |  浏览/下载:67/0  |  提交时间:2021/11/19
biological invasion  climate change  desertification  drought  global change  invasive grasses  
Fire changes the spatial pattern and dynamics of soil nitrogen (N) and delta N-15 at a grassland-shrubland ecotone 期刊论文
发表期刊: JOURNAL OF ARID ENVIRONMENTS. 出版年: 2021, 卷号: 186
作者:  Wang, Guan;  Li, Junran;  Ravi, Sujith;  Theiling, Bethany;  Burger, William
收藏  |  浏览/下载:9/0  |  提交时间:2021/07/30
Soil nitrogen  Fire-induced  Microsite-scale  Spatial pattern  Grass-shrub competition  
Quantifying plant-soil-nutrient dynamics in rangelands: Fusion of UAV hyperspectral-LiDAR, UAV multispectral-photogrammetry, and ground-based LiDAR-digital photography in a shrub-encroached desert grassland 期刊论文
发表期刊: REMOTE SENSING OF ENVIRONMENT. 出版年: 2021, 卷号: 253
作者:  Sankey, Joel B.;  Sankey, Temuulen T.;  Li, Junran;  Ravi, Sujith;  Wang, Guan;  Caster, Joshua;  Kasprak, Alan
收藏  |  浏览/下载:42/0  |  提交时间:2021/03/08
Airborne data  Drone  Unmanned aerial system (UAS)  Unmanned aerial vehicle (UAV)  Terrestrial laser scanning  Photogrammetry  Structure from motion (SFM)  Lidar  Hyperspectral  Machine learning  Digital elevation model (DEM)  Digital elevation model of difference (DOD)  Change detection  Rangeland  Shrub  Grass  Soil  Nutrient  Fire  Islands of fertility  
Convergent vegetation fog and dew water use in the Namib Desert 期刊论文
发表期刊: ECOHYDROLOGY. 出版年: 2019, 卷号: 12, 期号: 7
作者:  Wang, Lixin;  Kaseke, Kudzai Farai;  Ravi, Sujith;  Jiao, Wenzhe;  Mushi, Roland;  Shuuya, Titus;  Maggs-Kolling, Gillian
收藏  |  浏览/下载:13/0  |  提交时间:2019/11/29
dew  drylands  fog  Namib Desert  plant water potential  soil water potential  
A combined grazing and fire management may reverse woody shrub encroachment in desert grasslands 期刊论文
发表期刊: LANDSCAPE ECOLOGY. 出版年: 2019, 卷号: 34, 期号: 8, 页码: 2017-2031
作者:  Wang, Guan;  Li, Junran;  Ravi, Sujith
收藏  |  浏览/下载:4/0  |  提交时间:2019/11/29
Shrub encroachment  Cellular automata model  Reversibility  Arid and semiarid  Landscape dynamics  
On the development of a magnetic susceptibility-based tracer for aeolian sediment transport research 期刊论文
发表期刊: EARTH SURFACE PROCESSES AND LANDFORMS. 出版年: 2019, 卷号: 44, 期号: 2, 页码: 672-678
作者:  Ravi, Sujith;  Gonzales, Howell B.;  Buynevich, Ilya V.;  Li, Junran;  Sankey, Joel B.;  Dukes, David;  Wang, Guan
收藏  |  浏览/下载:6/0  |  提交时间:2019/11/29
sediment tracers  magnetic susceptibility  wind erosion  aeolian processes  
Post-fire Redistribution of Soil Carbon and Nitrogen at a Grassland-Shrubland Ecotone 期刊论文
发表期刊: ECOSYSTEMS. 出版年: 2019, 卷号: 22, 期号: 1, 页码: 174-188
作者:  Wang, Guan;  Li, Junran;  Ravi, Sujith;  Dukes, David;  Gonzales, Howell B.;  Sankey, Joel B.
收藏  |  浏览/下载:9/0  |  提交时间:2019/11/29
shrub encroachment  wildfire  spatial heterogeneity  soil redistribution  microsites  geostatistics  
Fire changes the spatial distribution and sources of soil organic carbon in a grassland-shrubland transition zone 期刊论文
发表期刊: PLANT AND SOIL. 出版年: 2019, 卷号: 435, 期号: 1-2, 页码: 309-321
作者:  Wang, Guan;  Li, Junran;  Ravi, Sujith;  Theiling, Bethany P.;  Sankey, Joel B.
收藏  |  浏览/下载:5/0  |  提交时间:2019/11/29
Prescribed fire  Soil organic carbon  Soil C-13  Carbon source partitioning  Microsite  
Interactions among hydrological-aeolian processes and vegetation determine grain-size distribution of sediments in a semi-arid coppice dune (nebkha) system 期刊论文
发表期刊: JOURNAL OF ARID ENVIRONMENTS. 出版年: 2018, 卷号: 154, 页码: 24-33
作者:  Li, Junran;  Ravi, Sujith
收藏  |  浏览/下载:11/0  |  提交时间:2019/11/29
Land degradation  Dune dynamics  Sediment  Aeolian transport  Hydraulic conductivity  Chihuahuan desert  
Quantifying Postfire Aeolian Sediment Transport Using Rare Earth Element Tracers 期刊论文
发表期刊: JOURNAL OF GEOPHYSICAL RESEARCH-BIOGEOSCIENCES. 出版年: 2018, 卷号: 123, 期号: 1, 页码: 288-299
作者:  Dukes, David;  Gonzales, Howell B.;  Ravi, Sujith;  Grandstaff, David E.;  Van Pelt, R. Scott;  Li, Junran;  Wang, Guan;  Sankey, Joel B.
收藏  |  浏览/下载:4/0  |  提交时间:2019/11/29
sediment tracers  wind erosion  land degradation  drylands  wildfires