• Ph D, Biology (Ecology), University of Toledo, 2011
• MA, Remote Sensing, Michigan State University, 2005

• Remote Pilot, Unmanned Aircraft System (sUAS; Part 107), Federal Aviation Administration

• Management of Invasive Red Cedar on the Missouri National Recreational River: Implications for Bird Biodiversity and Ecosystem Function, National Park Service, (2025 - 2028)
• Collaborative Research: Assessing current and future dust fluxes from the Northern Great Plains, U.S. with extreme climate variability and insights from the 1930s Dust Bowl drought , National Science Foundation, (2025 - 2028)
• Multi-sensor change detection of 2024 flood extent and effects on agroecosystems and riparian ecosystems in Eastern South Dakota, SD NASA EPSCoR, (2025 - 2025)
• National I-Corps Teams: Translation Potential of a Remote Sensing-Based Measurement, Reporting, and Verification Tool for Sustainable Agriculture, NSF, (2024 - 2025)
• Fieldwork workshop to analyze and monitor Invasive Yellow Sweet Clover and Russian Olives species distributions in Rangeland and Riparian Ecosystems, SD NASA EPSCOR Tribal College Collaboration Grant , (2023 - 2025)
• Multiscale mapping of prediction of Till/NoTill crop mapping using Landsat/Sentinel, UAV imagery and machine learning, SDBOR, (2023 - 2024)
• Monitoring of Invasive Yellow Sweet Clover Using Landsat/Sentinel-2, UAV Imagery and Machine Learning, NSF, (2023 - 2024)
• Monitoring of invasive Russian Olive using aerial photography, Sentinel-2, UAV imagery and machine learning, NASA SD Space Grant Consortium 'Project Innovation Grant (PIG)', (2023 - 2024)
• Advancing Key Curriculums of Ecology and Environmental Sciences for Regional Universities in Kazakhstan & Beyond, US State Department, American Councils for International Education, (2022 - 2022)
• The effects of excessive water use and agricultural intensification on Aral Sea shrinkage: socioeconomic-environmental systems (SES) dynamics within the Syr Darya River Basin, U.S. National Academies of Sciences, Engineering, and Medicine and USAID , (2021 - 2023)
• Multiscale monitoring and prediction of invasive yellow sweet clover using harmonized Landsat/Sentinel 2, UAV imagery and machine learning , SDBOR FY 22 Competitive Research Grant (CRG), (2021 - 2022)
• ASD FieldSpec 4 Hyperspectral Spectroradiometer, SDBOR FY 21 Research and Development Innovation (RDI), (2021 - 2022)
• Interdependent dynamics of food, energy and water in Kazakhstan and Mongolia: Connecting LULCC to the transitional socioecological systems, NASA Land Cover Land Use Change Program, (2020 - 2024)

Citations listed below are presented in a standardized, modified format for display purposes only. They do not necessarily reflect the preferred style and conventions of the faculty member or discipline.

• Shirkey, Gabriela, Anctil, Annick, John, Ranjeet, Kolluru, Venkatesh, Mungai, Leah, Kashongwe, Herve, Cooper, Lauren T., Celik, Ilke, Fisher, Joshua B., and Chen, Jiquan. Identifying opportunities for nature-based solutions with geospatialized life cycle assessments and fine-scale socioecological data, 014023. Vol. 20, Iss. 1 Environmental Research Letters, 2025. (DOI: 10.1088/1748-9326/ad959e)
• Chen, Jiquan, John, Ranjeet, Kolluru, Venkatesh, Mack, Elizabeth A., Fan, Peilei, Yuan, Jing, Ouyang, Zutao, Chen, Jingyan, Groisman, Pavel, Shao, Changliang, Amartuvshin, Amarjargal, and Gutman, Garik. Natural assets, changes, and variations of the socioeconomic-environmental systems along the Asian drylands belt, 045005. Vol. 3, Iss. 4 Environmental Research: Ecology, 2024. (DOI: 10.1088/2752-664x/ad9339)
• Chen, Jiquan, John, Ranjeet, Kolluru, Venkatesh, Mack, Elizabeth A., Fan, Peilei, Yuan, Jing, Ouyang, Zutao, Chen, Jingyan, Groisman, Pavel, Shao, Changliang, Amartuvshin, Amarjargal, and Gutman, Garik. Natural assets, changes, and variations of the socioeconomic-environmental systems along the Asian drylands belt, 045005. Vol. 3, Iss. 4 Environmental Research: Ecology, 2024. (DOI: 10.1088/2752-664x/ad9339)
• Jain, Khushboo, John, Ranjeet, Torbick, Nathan, Kolluru, Venkatesh, Saraf, Sakshi, Chandel, Abhinav, Henebry, Geoffrey M., and Jarchow, Meghann. Monitoring the Spatial Distribution of Cover Crops and Tillage Practices Using Machine Learning and Environmental Drivers across Eastern South Dakota, 742-756. Vol. 74, Iss. 4 Environmental Management, 2024. (DOI: 10.1007/s00267-024-02021-0)
• Kolluru, Venkatesh, John, Ranjeet, Chen, Jiquan, Konkathi, Preethi, Kolluru, Srinivas, Saraf, Sakshi, Henebry, Geoffrey M., Xiao, Jingfeng, Jain, Khushboo, and Kussainova, Maira. Dominant role of grazing and snow cover variability on vegetation shifts in the drylands of Kazakhstan. Vol. 5, Iss. 1 Communications Earth & Environment, 2024. (DOI: 10.1038/s43247-024-01587-1)
• Kolluru, Venkatesh, John, Ranjeet, Saraf, Sakshi, Chen, Jiquan, Hankerson, Brett, Robinson, Sarah, Kussainova, Maira, and Jain, Khushboo. Gridded livestock density database and spatial trends for Kazakhstan. Vol. 10, Iss. 1 Scientific Data, 2023. (DOI: 10.1038/s41597-023-02736-5)
• Li, Fei, Xiao, Jingfeng, Chen, Jiquan, Ballantyne, Ashley, Jin, Ke, Li, Bing, Abraha, Michael, and John, Ranjeet. Global water use efficiency saturation due to increased vapor pressure deficit, 672-677. Vol. 381, Iss. 6658 Science, 2023. (DOI: 10.1126/science.adf5041)
• Amirkhiz, Reza G., John, Ranjeet, and Swanson, David L.. A Bayesian approach for multiscale modeling of the influence of seasonal and annual habitat variation on relative abundance of ring-necked pheasant roosters, 102003. Vol. 75 Ecological Informatics, 2023. (DOI: 10.1016/j.ecoinf.2023.102003)
• Saraf, Sakshi, John, Ranjeet, Goljani Amirkhiz, Reza, Kolluru, Venkatesh, Jain, Khushboo, Rigge, Matthew, Giannico, Vincenzo, Boyte, Stephen, Chen, Jiquan, Henebry, Geoffrey, Jarchow, Meghann, and Lafortezza, Raffaele. Biophysical drivers for predicting the distribution and abundance of invasive yellow sweetclover in the Northern Great Plains, 1463-1479. Vol. 38, Iss. 6 Landscape Ecology, 2023. (DOI: 10.1007/s10980-023-01613-1)
• Shirkey, Gabriela, John, Ranjeet, Chen, Jiquan, Kolluru, Venkatesh, Goljani Amirkhiz, Reza, Marquart-Pyatt, Sandra T., Cooper, Lauren T., and Collins, Michael. Land cover change and socioecological influences on terrestrial carbon production in an agroecosystem. Landscape Ecology, 2023. (DOI: 10.1007/s10980-023-01647-5)
• Shirkey, Gabriela, John, Ranjeet, Chen, Jiquan, Dahlin, Kyla, Abraha, Michael, Sciusco, Pietro, Lei, Cheyenne, and Reed, David E.. Fine resolution remote sensing spectra improves estimates of gross primary production of croplands, 109175. Vol. 326 Agricultural and Forest Meteorology, 2022. (DOI: 10.1016/j.agrformet.2022.109175)
• Kolluru, Venkatesh, John, Ranjeet, Chen, Jiquan, Xiao, Jingfeng, Amirkhiz, Reza G., Giannico, Vincenzo, and Kussainova, Maira. Optimal ranges of social-environmental drivers and their impacts on vegetation dynamics in Kazakhstan, 157562. Vol. 847 Science of The Total Environment, 2022. (DOI: 10.1016/j.scitotenv.2022.157562)
• Venkatesh, Kolluru, John, Ranjeet, Chen, Jiquan, Jarchow, Meghann, Amirkhiz, Reza G., Giannico, Vincenzo, Saraf, Sakshi, Jain, Khushboo, Kussainova, Maira, and Yuan, Jing. Untangling the impacts of socioeconomic and climatic changes on vegetation greenness and productivity in Kazakhstan, 095007. Vol. 17, Iss. 9 Environmental Research Letters, 2022. (DOI: 10.1088/1748-9326/ac8c59)
• Ouyang, Zutao, Sciusco, Pietro, Jiao, Tong, Feron, Sarah, Lei, Cheyenne, Li, Fei, John, Ranjeet, Fan, Peilei, Li, Xia, Williams, Christopher A., Chen, Guangzhao, Wang, Chenghao, and Chen, Jiquan. Albedo changes caused by future urbanization contribute to global warming. Vol. 13, Iss. 1 Nature Communications, 2022. (DOI: 10.1038/s41467-022-31558-z)
• Yuan, Jing, Chen, Jiquan, Sciusco, Pietro, Kolluru, Venkatesh, Saraf, Sakshi, John, Ranjeet, and Ochirbat, Batkhishig. Land Use Hotspots of the Two Largest Landlocked Countries: Kazakhstan and Mongolia, 1805. Vol. 14, Iss. 8 Remote Sensing, 2022. (DOI: 10.3390/rs14081805)
• Chen, Jiquan, John, Ranjeet, Yuan, Jing, Mack, Elizabeth A., Groisman, Pavel, Allington, Ginger, Wu, Jianguo, Fan, Peilei, de Beurs, Kirsten M., Karnieli, Arnon, Gutman, Garik, Kappas, Martin, Dong, Gang, Zhao, Fangyuan, Ouyang, Zutao, Pearson, Amber L., Şat, Beyza, Graham, Norman A., Shao, Changliang, Graham, Anna K., Henebry, Geoffrey M., Xue, Zhichao, Amartuvshin, Amarjargal, Qu, Luping, Park, Hogeun, Xin, Xiaoping, Chen, Jingyan, Tian, Li, Knight, Colt, Kussainova, Maira, Li, Fei, Fürst, Christine, and Qi, Jiaguo. Sustainability challenges for the social-environmental systems across the Asian Drylands Belt, 023001. Vol. 17, Iss. 2 Environmental Research Letters, 2022. (DOI: 10.1088/1748-9326/ac472f)
• Chen, Jiquan, John, Ranjeet, Shao, Changliang, Ouyang, Zutao, Mack, Elizabeth A., Henebry, Geoffrey M., Dong, Gang, Allington, Ginger R., Pearson, Amber L., Zhao, Fangyuan, Roy, David P., Fan, Peilei, Shirkey, Gabriela E., Tian, Li, Kussainova, Maira, Chen, Jingyan, Reed, David E., and Abraha, Michael. Towards a Single Integrative Metric on the Dynamics of Social-Environmental Systems, 11246. Vol. 13, Iss. 20 Sustainability, 2021. (DOI: 10.3390/su132011246)
• Amartuvshin, Amarjargal, Chen, Jiquan, John, Ranjeet, Zhang, Yaoqi, and Lkhagvaa, Dansranbavuu. How does mining policy affect rural migration of Mongolia?, 105474. Vol. 107 Land Use Policy, 2021. (DOI: 10.1016/j.landusepol.2021.105474)
• Sciusco, Pietro, Chen, Jiquan, Abraha, Michael, Lei, Cheyenne, Robertson, G. P., Lafortezza, Raffaele, Shirkey, Gabriela, Ouyang, Zutao, Zhang, Rong, and John, Ranjeet. Spatiotemporal variations of albedo in managed agricultural landscapes: inferences to global warming impacts (GWI), 1385-1402. Vol. 35, Iss. 6 Landscape Ecology, 2020. (DOI: 10.1007/s10980-020-01022-8)
• Groisman, Pavel Y., Bulygina, Olga N., Henebry, Geoffrey M., Speranskaya, Nina A., Shiklomanov, Alexander I., Chen, Yizhao, Tchebakova, Nadezhda M., Parfenova, Elena I., Tilinina, Natalia D., Zolina, Olga G., Dufour, Ambroise, Chen, Jiquan, John, Ranjeet, and Fan, Peilei. Dry Land Belt of Northern Eurasia: Contemporary Environmental Changes. In Landscape Series, 11-23. Springer International Publishing, 2020. (DOI: 10.1007/978-3-030-30742-4_2)
• Henebry, Geoffrey M., de Beurs, Kirsten M., John, Ranjeet, Owsley, Braden C., Kariyeva, Jahan, Chymyrov, Akylbek, and Mirzoev, Mirasil. Recent Land Surface Dynamics Across Drylands in Greater Central Asia. In Landscape Series, 25-47. Springer International Publishing, 2020. (DOI: 10.1007/978-3-030-30742-4_3)
• Chen, Jiquan, Ouyang, Zutao, John, Ranjeet, Henebry, Geoffrey M., Groisman, Pavel Y., Karnieli, Arnon, Pueppke, Steven, Kussainova, Maira, Amartuvshin, Amarjargal, Tulobaev, Askarbek, Yespolov, Tlektes I., Crank, Connor, Kadhim, Ameen, Qi, Jiaguo, and Gutman, Garik. Social-Ecological Systems Across the Asian Drylands Belt (ADB). In Landscape Series, 191-225. Springer International Publishing, 2020. (DOI: 10.1007/978-3-030-30742-4_10)
• Chen, Jiquan, Sciusco, Pietro, Ouyang, Zutao, Zhang, Rong, Henebry, Geoffrey M., John, Ranjeet, and Roy, David. P.. Linear downscaling from MODIS to landsat: connecting landscape composition with ecosystem functions, 2917-2934. Vol. 34, Iss. 12 Landscape Ecology, 2019. (DOI: 10.1007/s10980-019-00928-2)
• Xu, Yecheng, Zhang, Yaoqi, Chen, Jiquan, and John, Ranjeet. Livestock dynamics under changing economy and climate in Mongolia, 104120. Vol. 88 Land Use Policy, 2019. (DOI: 10.1016/j.landusepol.2019.104120)
• Park, Hogeun, Fan, Peilei, John, Ranjeet, Ouyang, Zutao, and Chen, Jiquan. Spatiotemporal changes of informal settlements: Ger districts in Ulaanbaatar, Mongolia, 103630. Vol. 191 Landscape and Urban Planning, 2019. (DOI: 10.1016/j.landurbplan.2019.103630)
• Ouyang, Zutao, Fan, Peilei, Chen, Jiquan, Lafortezza, Raffaele, Messina, Joseph P., Giannico, Vincenzo, and John, Ranjeet. A Bayesian approach to mapping the uncertainties of global urban lands, 210-218. Vol. 187 Landscape and Urban Planning, 2019. (DOI: 10.1016/j.landurbplan.2018.07.016)
• Chen, Jiquan, John, Ranjeet, Sun, Ge, Fan, Peilei, Henebry, Geoffrey M., Fernández-Giménez, María E., Zhang, Yaoqi, Park, Hogeun, Tian, Li, Groisman, Pavel, Ouyang, Zutao, Allington, Ginger, Wu, Jianguo, Shao, Changliang, Amarjargal, Amartuvshin, Dong, Gang, Gutman, Garik, Huettmann, Falk, Lafortezza, Raffaele, Crank, Connor, and Qi, Jiaguo. Prospects for the sustainability of social-ecological systems (SES) on the Mongolian plateau: five critical issues, 123004. Vol. 13, Iss. 12 Environmental Research Letters, 2018. (DOI: 10.1088/1748-9326/aaf27b)
• Groisman, Pavel, Bulygina, Olga, Henebry, Geoffrey, Shiklomanov, Alexander, Speranskaya, Nina, Chen, Yizhao, Chebakova, Nadezhda, Parfenova, Elena, Tilinina, Natalia, Zolina, Olga, Dufour, Ambroise, Chen, Jiquan, John, Ranjeet, Fan, Peilei, Mátyás, Csaba, Yesserkepova, Irina, and Kaipov, Ildan. Contemporary Environmental Changes over the Dry Land Belt of Northern Eurasia and Their Consequences. Wiley, 2018. (DOI: 10.1002/essoar.10500501.1)
• Groisman, Pavel, Bulygina, Olga, Henebry, Geoffrey, Speranskaya, Nina, Shiklomanov, Alexander, Chen, Yizhao, Tchebakova, Nadezhda, Parfenova, Elena, Tilinina, Natalia, Zolina, Olga, Dufour, Ambroise, Chen, Jiquan, John, Ranjeet, Fan, Peilei, Mátyás, Csaba, Yesserkepova, Irina, and Kaipov, Ildan. Dryland belt of Northern Eurasia: contemporary environmental changes and their consequences, 115008. Vol. 13, Iss. 11 Environmental Research Letters, 2018. (DOI: 10.1088/1748-9326/aae43c)
• Giannico, Vincenzo, Chen, Jiquan, Shao, Changliang, Ouyang, Zutao, John, Ranjeet, and Lafortezza, Raffaele. Contributions of landscape heterogeneity within the footprint of eddy-covariance towers to flux measurements, 144-153. Vol. 260-261 Agricultural and Forest Meteorology, 2018. (DOI: 10.1016/j.agrformet.2018.06.004)
• John, Ranjeet, Chen, Jiquan, Giannico, Vincenzo, Park, Hogeun, Xiao, Jingfeng, Shirkey, Gabriela, Ouyang, Zutao, Shao, Changliang, Lafortezza, Raffaele, and Qi, Jiaguo. Grassland canopy cover and aboveground biomass in Mongolia and Inner Mongolia: Spatiotemporal estimates and controlling factors, 34-48. Vol. 213 Remote Sensing of Environment, 2018. (DOI: 10.1016/j.rse.2018.05.002)
• Qi, Jiaguo, Xin, Xiaoping, John, Ranjeet, Groisman, Pavel, and Chen, Jiquan. Understanding livestock production and sustainability of grassland ecosystems in the Asian Dryland Belt. Vol. 6, Iss. 1 Ecological Processes, 2017. (DOI: 10.1186/s13717-017-0087-3)
• Shao, Changliang, Chen, Jiquan, Chu, Housen, Lafortezza, Raffaele, Dong, Gang, Abraha, Michael, Batkhishig, Ochirbat, John, Ranjeet, Ouyang, Zutao, Zhang, Yaoqi, and Qi, Jiaguo. Grassland productivity and carbon sequestration in Mongolian grasslands: The underlying mechanisms and nomadic implications, 124-134. Vol. 159 Environmental Research, 2017. (DOI: 10.1016/j.envres.2017.08.001)
• Park, Hogeun, Fan, Peilei, John, Ranjeet, and Chen, Jiquan. Urbanization on the Mongolian Plateau after economic reform: Changes and causes, 118-127. Vol. 86 Applied Geography, 2017. (DOI: 10.1016/j.apgeog.2017.06.026)
• Shao, Changliang, Chen, Jiquan, Li, Linghao, Dong, Gang, Han, Juanjuan, Abraha, Michael, and John, Ranjeet. Grazing effects on surface energy fluxes in a desert steppe on the Mongolian Plateau, 485-502. Vol. 27, Iss. 2 Ecological Applications, 2017. (DOI: 10.1002/eap.1459)
• Chu, Housen, Baldocchi, Dennis D., John, Ranjeet, Wolf, Sebastian, and Reichstein, Markus. Fluxes all of the time? A primer on the temporal representativeness of FLUXNET, 289-307. Vol. 122, Iss. 2 Journal of Geophysical Research: Biogeosciences, 2017. (DOI: 10.1002/2016jg003576)
• Ouyang, Zutao, Shao, Changliang, Chu, Housen, Becker, Richard, Bridgeman, Thomas, Stepien, Carol, John, Ranjeet, and Chen, Jiquan. The Effect of Algal Blooms on Carbon Emissions in Western Lake Erie: An Integration of Remote Sensing and Eddy Covariance Measurements, 44. Vol. 9, Iss. 1 Remote Sensing, 2017. (DOI: 10.3390/rs9010044)
• Fan, Yi, Chen, Jiquan, Shirkey, Gabriela, John, Ranjeet, Wu, Susie R., Park, Hogeun, and Shao, Changliang. Applications of structural equation modeling (SEM) in ecological studies: an updated review. Vol. 5, Iss. 1 Ecological Processes, 2016. (DOI: 10.1186/s13717-016-0063-3)
• Liu, Zhanyu, Chen, Jiquan, Qi, Jiaguo, John, Ranjeet, Cheng, Jiaan, and Zhu, Zengrong. The Effect of Landscape Composition on the Abundance of Laodelphax striatellus Fallén in Fragmented Agricultural Landscapes, 36. Vol. 5, Iss. 4 Land, 2016. (DOI: 10.3390/land5040036)
• Giannico, Vincenzo, Lafortezza, Raffaele, John, Ranjeet, Sanesi, Giovanni, Pesola, Lucia, and Chen, Jiquan. Estimating Stand Volume and Above-Ground Biomass of Urban Forests Using LiDAR, 339. Vol. 8, Iss. 4 Remote Sensing, 2016. (DOI: 10.3390/rs8040339)
• John, Ranjeet, Chen, Jiquan, Kim, Youngwook, Ou-yang, Zu-tao, Xiao, Jingfeng, Park, Hoguen, Shao, Changliang, Zhang, Yaoqi, Amarjargal, Amartuvshin, Batkhshig, Ochirbat, and Qi, Jiaguo. Differentiating anthropogenic modification and precipitation-driven change on vegetation productivity on the Mongolian Plateau, 547-566. Vol. 31, Iss. 3 Landscape Ecology, 2016. (DOI: 10.1007/s10980-015-0261-x)
• Xie, Jing, Chen, Jiquan, Sun, Ge, Zha, Tianshan, Yang, Bai, Chu, Housen, Liu, Junguo, Wan, Shiqiang, Zhou, Caixian, Ma, Hong, Bourque, Charles P., Shao, Changliang, John, Ranjeet, and Ouyang, Zutao. Ten-year variability in ecosystem water use efficiency in an oak-dominated temperate forest under a warming climate, 209-217. Vol. 218-219 Agricultural and Forest Meteorology, 2016. (DOI: 10.1016/j.agrformet.2015.12.059)
• Fan, Peilei, Chen, Jiquan, and John, Ranjeet. Urbanization and environmental change during the economic transition on the Mongolian Plateau: Hohhot and Ulaanbaatar, 96-112. Vol. 144 Environmental Research, 2016. (DOI: 10.1016/j.envres.2015.09.020)
• Abraha, Michael, Chen, Jiquan, Chu, Housen, Zenone, Terenzio, John, Ranjeet, Su, Yahn‐Jauh, Hamilton, Stephen K., and Robertson, G. P.. Evapotranspiration of annual and perennial biofuel crops in a variable climate, 1344-1356. Vol. 7, Iss. 6 GCB Bioenergy, 2015. (DOI: 10.1111/gcbb.12239)
• Shao, Changliang, Chen, Jiquan, Stepien, Carol A., Chu, Housen, Ouyang, Zutao, Bridgeman, Thomas B., Czajkowski, Kevin P., Becker, Richard H., and John, Ranjeet. Diurnal to annual changes in latent, sensible heat, and CO₂ fluxes over a Laurentian Great Lake: A case study in Western Lake Erie, 1587-1604. Vol. 120, Iss. 8 Journal of Geophysical Research: Biogeosciences, 2015. (DOI: 10.1002/2015jg003025)
• Chen, Jiquan, John, Ranjeet, Shao, Changliang, Fan, Yi, Zhang, Yaoqi, Amarjargal, Amartuvshin, Brown, Daniel G., Qi, Jiaguo, Han, Juanjuan, Lafortezza, Raffaele, and Dong, Gang. Policy shifts influence the functional changes of the CNH systems on the Mongolian plateau, 085003. Vol. 10, Iss. 8 Environmental Research Letters, 2015. (DOI: 10.1088/1748-9326/10/8/085003)
• Chen, Jiquan, John, Ranjeet, Zhang, Yaoqi, Shao, Changliang, Brown, Daniel G., Batkhishig, Ochirbat, Amarjargal, Amartuvshin, Ouyang, Zutao, Dong, Gang, Wang, Dan, and Qi, Jiaguo. Divergences of Two Coupled Human and Natural Systems on the Mongolian Plateau, 559-570. Vol. 65, Iss. 6 BioScience, 2015. (DOI: 10.1093/biosci/biv050)
• Lafortezza, Raffaele, Tanentzap, Andrew J., Elia, Mario, John, Ranjeet, Sanesi, Giovanni, and Chen, Jiquan. Prioritizing fuel management in urban interfaces threatened by wildfires, 342-347. Vol. 48 Ecological Indicators, 2015. (DOI: 10.1016/j.ecolind.2014.08.034)
• Xie, Jing, Sun, Ge, Chu, Hou-Sen, Liu, Junguo, McNulty, Steven G., Noormets, Asko, John, Ranjeet, Ouyang, Zutao, Zha, Tianshan, Li, Haitao, Guan, Wenbin, and Chen, Jiquan. Long-term variability in the water budget and its controls in an oak-dominated temperate forest, 6054-6066. Vol. 28, Iss. 25 Hydrological Processes, 2014. (DOI: 10.1002/hyp.10079)
• Ouyang, Zutao, Chen, Jiquan, Becker, Richard, Chu, Housen, Xie, Jing, Shao, Changliang, and John, Ranjeet. Disentangling the confounding effects of PAR and air temperature on net ecosystem exchange at multiple time scales, 46-58. Vol. 19 Ecological Complexity, 2014. (DOI: 10.1016/j.ecocom.2014.04.005)
• Chu, Housen, Chen, Jiquan, Gottgens, Johan F., Ouyang, Zutao, John, Ranjeet, Czajkowski, Kevin, and Becker, Richard. Net ecosystem methane and carbon dioxide exchanges in a Lake Erie coastal marsh and a nearby cropland, 722-740. Vol. 119, Iss. 5 Journal of Geophysical Research: Biogeosciences, 2014. (DOI: 10.1002/2013jg002520)
• Zhang, Feng, John, Ranjeet, Zhou, Guangsheng, Shao, Changliang, and Chen, Jiquan. Estimating Canopy Characteristics of Inner Mongolia’s Grasslands from Field Spectrometry, 2239-2254. Vol. 6, Iss. 3 Remote Sensing, 2014. (DOI: 10.3390/rs6032239)
• Xie, Jing, Chen, Jiquan, Sun, Ge, Chu, Housen, Noormets, Asko, Ouyang, Zutao, John, Ranjeet, Wan, Shiqiang, and Guan, Wenbin. Long-term variability and environmental control of the carbon cycle in an oak-dominated temperate forest, 319-328. Vol. 313 Forest Ecology and Management, 2014. (DOI: 10.1016/j.foreco.2013.10.032)
• Chen, Jiquan, John, Ranjeet, Sun, Ge, McNulty, Steve, Noormets, Asko, Xiao, Jingfeng, Turner, Monica G., and Franklin, Jerry F.. Carbon fluxes and storage in forests and landscapes. In Forest Landscapes and Global Change, 139-166. Springer New York, 2014. (DOI: 10.1007/978-1-4939-0953-7_6)
• Deal, Michael W., Xu, Jianye, John, Ranjeet, Zenone, Terenzio, Chen, Jiquan, Chu, Housen, Jasrotia, Poonam, Kahmark, Kevin, Bossenbroek, Jonathan, and Mayer, Christine. Net primary production in three bioenergy crop systems following land conversion, 451-460. Vol. 7, Iss. 5 JOURNAL OF PLANT ECOLOGY, 2014. (DOI: 10.1093/jpe/rtt057)
• John, Ranjeet, Chen, Jiquan, Ou-Yang, Zu-Tao, Xiao, Jingfeng, Becker, Richard, Samanta, Arindam, Ganguly, Sangram, Yuan, Wenping, and Batkhishig, Ochirbat. Vegetation response to extreme climate events on the Mongolian Plateau from 2000 to 2010, 035033. Vol. 8, Iss. 3 Environmental Research Letters, 2013. (DOI: 10.1088/1748-9326/8/3/035033)
• John, Ranjeet, Chen, Jiquan, Noormets, Asko, Xiao, Xiangming, Xu, Jianye, Lu, Nan, and Chen, Shiping. Modelling gross primary production in semi-arid Inner Mongolia using MODIS imagery and eddy covariance data, 2829-2857. Vol. 34, Iss. 8 International Journal of Remote Sensing, 2013. (DOI: 10.1080/01431161.2012.746483)
• Zhu, Luping, Li, Haitao, Chen, Jiquan, John, Ranjeet, Liang, Tao, and Yan, Maochao. Emergy-based sustainability assessment of Inner Mongolia, 843-858. Vol. 22, Iss. 5 Journal of Geographical Sciences, 2012. (DOI: 10.1007/s11442-012-0967-5)
• Xu, Jianye, Chen, Jiquan, Brosofske, Kimberley, Li, Qinglin, Weintraub, Michael, Henderson, Rachel, Wilske, Burkhard, John, Ranjeet, Jensen, Randy, Li, Haitao, and Shao, Changliang. Influence of Timber Harvesting Alternatives on Forest Soil Respiration and Its Biophysical Regulatory Factors over a 5-year Period in the Missouri Ozarks, 1310-1327. Vol. 14, Iss. 8 Ecosystems, 2011. (DOI: 10.1007/s10021-011-9482-2)
• Sun, Ge, Caldwell, Peter, Noormets, Asko, McNulty, Steven G., Cohen, Erika, Moore Myers, Jennifer, Domec, Jean-Christophe, Treasure, Emrys, Mu, Qiaozhen, Xiao, Jingfeng, John, Ranjeet, and Chen, Jiquan. Upscaling key ecosystem functions across the conterminous United States by a water-centric ecosystem model. Vol. 116 Journal of Geophysical Research, 2011. (DOI: 10.1029/2010jg001573)
• Li, Hai-tao, Gu, Chen-jie, Liang, Tao, Xu, Jian-ye, and John, Ranjeet. A new perspective of ecosystem health, 127--132. Vol. 22, Iss. 1 Journal of Forestry Research, 2011. (DOI: 10.1007/s11676-011-0138-z)
• Lu, N, Wilske, B, Ni, J, John, Ranjeet, and Chen, J. Climate change in Inner Mongolia from 1955 to 2005-trends at regional, biome and local scales, 045006. Vol. 4, Iss. 4 Environmental Research Letters, 2009. (DOI: 10.1088/1748-9326/4/4/045006)
• John, Ranjeet, Chen, Jiquan, Lu, Nan, and Wilske, Burkhard. Land cover/land use change in semi-arid Inner Mongolia: 1992–2004, 045010. Vol. 4, Iss. 4 Environmental Research Letters, 2009. (DOI: 10.1088/1748-9326/4/4/045010)
• Wilske, Burkhard, Lu, Nan, Wei, Long, Chen, Shiping, Zha, Tonggang, Liu, Chenfeng, Xu, Wenting, Noormets, Asko, Huang, Jianhui, Wei, Yafen, Chen, Jun, Zhang, Zhiqiang, Ni, Jian, Sun, Ge, Guo, Kirk, McNulty, Steve, John, Ranjeet, Han, Xingguo, Lin, Guanghui, and Chen, Jiquan. Poplar plantation has the potential to alter the water balance in semiarid Inner Mongolia, 2762-2770. Vol. 90, Iss. 8 Journal of Environmental Management, 2009. (DOI: 10.1016/j.jenvman.2009.03.004)
• John, Ranjeet, Chen, Jiquan, Lu, Nan, Guo, Ke, Liang, Cunzhu, Wei, Yafen, Noormets, Asko, Ma, Keping, and Han, Xingguo. Predicting plant diversity based on remote sensing products in the semi-arid region of Inner Mongolia, 2018-2032. Vol. 112, Iss. 5 Remote Sensing of Environment, 2008. (DOI: 10.1016/j.rse.2007.09.013)
• LaCroix, Jacob J., Li, Qinglin, Chen, Jiquan, Henderson, Rachel, and John, Ranjeet. Edge effects on fire spread in a disturbed Northern Wisconsin landscape, 1081-1092. Vol. 23, Iss. 9 LANDSCAPE ECOLOGY, 2008. (DOI: 10.1007/s10980-008-9265-0)

• Outstanding Research Mentor Award (Nominated), University of South Dakota, 2025
• President's Award for Research Excellence: Early-Mid Career Faculty , University of South Dakota, 2025
• Belbas Larson Teaching Award (Nominated), University of South Dakota, 2025
• Student Government Association Professor of the year award (Nominated), USD Student Government Association , 2024
• President's Award for Research Excellence: Early-Mid Career Faculty (Nominated), University of South Dakota, 2023
• Arts & Sciences Travel Grant , USD College of Arts & Sciences, 2022
• Belbas Larson Teaching Award (Nominated), University of South Dakota, 2021

• Jain, Khushboo, John, Ranjeet, Kolluru, Venkatesh, Chandel, Abhinav, Saraf, Sakshi, and Jarchow, Meghann , GC51W-0285 Quantifying impact of sustainable agriculture management practices on soil health and greenhouse gas emissions in eastern South Dakota . Presented at the American Geophysical Union annual meeting 2024, Washington DC. (December 13, 2024)
• Shirkey, Gabriela, John, Ranjeet, Fazil, Shahryar, Mahajan, Surendra, Romero, Fernando, Saraf, Sakshi, and Fisher, Joshua B., B33A-1518 An ISS Synergy to Detect Biodiversity from Above . Presented at the American Geophysical Union annual meeting 2024, Washington DC. (December 11, 2024)
• Saraf, Sakshi, John, Ranjeet, Kolluru, Venkatesh, Jain, Khushboo, and Chen, Jiquan, B33A-1526 Quantifying the Effects of Invasive Plants like Yellow Sweetclover on Native Plant Diversity in Relation to Non-Native Plant Composition and Environmental Drivers . Presented at the American Geophysical Union annual meeting 2024, Washington DC. (December 11, 2024)
• Chen, Jiquan, John, Ranjeet, Fan, Peilei, Tian, Li, Kolluru, Venkatesh, Fang, Wei, and Yang, Zutao, GC21Q-0078 Cities along the Core Silk Roads: An Overview through the Lens of Urban-Rural Continuum (URC) . Presented at the American Geophysical Union annual meeting 2024, Washington DC. (December 10, 2024)
• Kolluru, Venkatesh, John, Ranjeet, Saraf, Sakshi, Chen, Jiquan, Henebry, Geoffrey, Xiao, Jingfeng, Kussainova, Maira, and Ulgiichimeg, Ganzorig, GC21Q-0083 Harnessing the potential of drone imagery and Sentinel-1 data for cross-scale mapping of above-ground biomass and canopy cover across Mongolia and Kazakhstan . Presented at the American Geophysical Union annual meeting 2024, Washington DC. (December 10, 2024)
• Kolluru, Venkatesh, Chandel, Abinav, John, Ranjeet, Chen, Jiquan, Jain, Khushboo, Saraf, Sakshi, Henebry, Geoffrey, Xiao, Jingfeng, and Ulgiichimeg, Ganzorig, GC21Q-0084 Developing 30m aboveground biomass and canopy cover estimates for Mongolia from 1990-2023. Presented at the American Geophysical Union annual meeting 2024, Washington DC. (December 10, 2024)
• John, Ranjeet, Kolluru, Venkatesh, Chen, Jiquan, Saraf, Sakshi, Henebry, Geofrey , Xiao, Jingfeng, Ulgiichimeg, Ganzorig, Chandel, Abhinav, and Kussainova, Maira, GC24G-05 Multi-scale/multi-sensor estimates of canopy cover and above ground biomass trends in Mongolia and Kazakhstan (Invited). Presented at the American Geophysical Union annual meeting 2024, Washington DC. (December 10, 2024)
• Kolluru, Venkatesh, John, Ranjeet, Saraf, Sakshi, Chen, Jiquan, Henebry, Geoffrey, Jain, Khushboo, and Chandel, Abhinav, P-26: Examining the relationship between plant species diversity and productivity across climatic, topographic, and grazing gradients in Kazakhstan and Mongolia . Presented at the 2024 IALE-North America Annual Meeting, Oklahoma City. (April 02, 2024)
• Jain, Khushboo, John, Ranjeet, Torbick, Nathan, Kolluru, Venkatesh, Saraf, Sakshi, Chandel, Abhinav, Henebry, Geoffrey, and Jarchow, Meghann, P-31: Field scale detection of cover crops and tillage using remote sensing in eastern South Dakota . Presented at the 2024 IALE-North America Annual Meeting, Oklahoma City. (April 02, 2024)
• Chandel, Abhinav, John, Ranjeet, Kolluru, Venkatesh, Jain, Khushboo, Saraf, Sakshi, Chen, Jiquan, and Henebry, Geoffrey, P-35: Harnessing the potential of high-resolution satellite imagery to predict spatiotemporal above-ground biomass and canopy cover estimates in Mongolian grasslands. . Presented at the 2024 IALE-North America Annual Meeting, Oklahoma City. (April 02, 2024)
• Schild, Zachary , John, Ranjeet, Dixon, Mark, Kolluru, Venkatesh, and Saraf, Sakshi, P-74: Using Object Based Image Analysis to Track Changes in Russian Olive Distributions Along the Missouri River in Response to Flooding . Presented at the 2024 IALE-North America Annual Meeting, Oklahoma City. (April 02, 2024)
• Saraf, Sakshi, John, Ranjeet, Kolluru, Venkatesh, Jain, Khushboo, Schild, Zachary, Chen, Jiquan, and Henebry, Geoffrey, S-04: Mapping annual 10-m invasive yellow sweetclover abundance across western South Dakota during 2016–2021 . Presented at the 2024 IALE-North America Annual Meeting, Oklahoma City. (April 02, 2024)
• Schild, Zachary, John, Ranjeet, Dixon, Mark D., Kolluru, Venkatesh, and Saraf, Sakshi, Using Object-Based Image Analysis to Track Changes in Russian Olive Distributions Along the Missouri River in Response to Flooding. Presented at the Missouri River Natural Resources Conference, Nebraska City, Nebraska. (March 12, 2024)
• Schild, Zachary, John, Ranjeet, Dixon, Mark, Kolluru, Venkatesh, and Saraf, Sakshi, Using Object Based Image Analysis to Track Changes in Russian Olive Distributions Along the Missouri River in Response to Flooding. Presented at the 2024 Midwest Fish and Wildlife Conference, Sioux Falls, SD. (January 29, 2024)
• Illeperuma, Nadeesha, Swanson, David, John, Ranjeet, and Dixon, Mark, Impact of redcedar on bird richness and abundance in floodplain forests along the Missouri River. Presented at the Midwest Fish and Wildlife Conference, Sioux Falls, SD. (January 29, 2024)
• Jain, Khushboo, John, Ranjeet, Torbick, Nathan, Kolluru, Venkatesh, Saraf, Sakshi, Henebry, Geoffrey, Chandel, Abhinav, and Jarchow, Meghann, GC51N-0805, Field-scale detection of multiple Agricultural management practices through Machine learning algorithms in eastern South Dakota. Presented at the American Geophysical Union, 2023, San Francisco. (December 15, 2023)
• Kolluru, Venkatesh, John, Ranjeet, Chen, Jiquan, Saraf, Sakshi, Henebry, Geoffrey, Xiao, Jinfeng, and Jain, Khushboo, Session GC21B-06, Pixel-wise contribution and attribution of socioenvironmental system drivers to grassland degradation in Kazakhstan. Presented at the American Geophysical Union, 2023, San Francisco. (December 13, 2023)
• John, Ranjeet, Chen, Jiquan, Kolluru, Venkatesh, Henebry, Geoffrey, Saraf, Sakshi, Jain, Khushboo, Xiao, Jingfeng, and Chandel, Abhinav, Interdependent Dynamics of Food, Energy, Water and grassland degradation estimates in Kazakhstan and Mongolia . Presented at the American Geophysical Union 2023, San Francisco. (December 12, 2023)
• Kolluru, Venkatesh, John, Ranjeet, Saraf, Sakshi, Chen, Jiquan, Hankerson, B, Robinson, S, Kussianova, M, and Jain, Khushboo, Session GC21B-06, Gridded livestock density database and spatial trends for Kazakhstan. Presented at the American Geophysical Union 2023, San Francisco. (December 12, 2023)
• Saraf, Sakshi, John, Ranjeet, Kolluru, Venkatesh, Chen, Jiquan, Jain, Khushboo, and Chen, Jiquan, B13E-1958, Examining the causal mechanisms between anthropogenic disturbance, plant diversity, and invasive yellow sweetclover. Presented at the American Geophysical Union 2023, San Francisco. (December 11, 2023)
• John, Ranjeet, Differentiating Anthropogenic Modification from Climate-Driven Change in Kazakhstan: A High-Resolution Multi-Stage Multi-Model Approach to Explain Vegetation Trends by Socioenvironmental System Drivers. Presented at the GOFC-GOLD Central Asia Regional Information Network (CARIN) Webinar Series - 2023, Webinar. (November 03, 2023)
• John, Ranjeet, Differentiating anthropogenic modification from climate-driven change in Kazakhstan: A high-resolution multi-stage multi-model approach to explain vegetation trends by socioenvironmental system drivers. Presented at the Central Asia Regional Information Network (CARIN) Workshop 2023, Cholpon-Ata, Issyk Kul, Kyrgyzstan. (September 13, 2023)
• Swanson, David, Illeperuma, Nadeesha, Dixon, Mark, and John, Ranjeet, Impacts of redcedar invasion along the Missouri National Recreational River on winter bird richness and abundance. Presented at the Missouri River Natural Resources Conference, Helena, MT. (June 13, 2023)
• Saraf, Sakshi, John, Ranjeet, Amirkhiz, Reza ., Kolluru, Venkatesh, Jain, Khushboo, Rigge, Matthew, Giannico, Vincenzo, Boyte, Steven, and Chen, Jiquan, P-24: The influence of biophysical drivers on predicting the potential distribution of invasive yellow sweet clover in the Northern Great Plains . Presented at the IALE-North America Annual Meeting, Riverside, California. (March 20, 2023)
• Illeperuma, Nadeesha D., Dixon, Mark, John, Ranjeet, and Swanson, David, Impacts of Redcedar Invasion along the Missouri National Recreational River on Winter Bird Richness and Abundance. Presented at the IALE-North America Annual Meeting, Riverside, California. (March 19, 2023)
• Illeperuma, Nadeesha, John, Ranjeet, Dixon, Mark, and Swanson, David, Impacts of redcedar invasion along the Missouri River on winter riparian bird richness and abundance. Presented at the Missouri River Institute Research Symposium, Vermillion, SD. (November 10, 2022)
• John, Ranjeet, “The Status and Future of Remote Sensing of Rangelands Land Use" (Invited talk). Presented at the NASA LCLUC Program's Silver Jubilee 2022 Science Team Meeting, Hyatt Regency Bethesda, Maryland. (October 19, 2022)
• John, Ranjeet, UAS Applications. Presented at the Advancing Key Curriculums of Ecology and Environmental Sciences in Rural Kazakhstan Universities, Korkyt Ata University, Kzylorda, Kazakhstan. (June 21, 2022)
• John, Ranjeet, Remote Sensing of Environment. Presented at the Advancing Key Curriculums of Ecology and Environmental Sciences in Rural Kazakhstan Universities, Korkyt Ata University, Kzylorda, Kazakhstan. (June 20, 2022)
• Kolluru, Venkatesh, John, Ranjeet, Chen, Jiquan, Amirkhiz, Reza G., Giannico, Vincenzo, and Lafortezza, Raffaele, Non-linear and non-stationary interactions between vegetation dynamics and potential driving factors in Kazakhstan. Presented at the Japan Geoscience Union Meeting 2022, Chiba, Japan. (May 2022)
• John, Ranjeet, Chen, Jiquan, Kolluru, Venkatesh, Amirkhiz, Reza G., Giannico, Vincenzo, and Yuan, Jing, Relative contributions of climatic change and socioeconomic trends on primary productivity in Kazakhstan and Mongolia. Presented at the Japan Geoscience Union Meeting 2022, Chiba, Japan. (May 2022)
• Bollig, Madalyn C., Dixon, Mark, John, Ranjeet, and Sweeney, Mark, Ecological Changes of the Lower Niobrara River Valley and Lewis and Clark Lake Delta from Past to Present. Presented at the Missouri River Natural Resources Conference, Nebraska City, NE. (March 22, 2022)
• John, Ranjeet, Chen, Jiquan , Kolluru, Venkatesh , Goljani-Amirkhiz, Reza , Yuan, Jing, Kussainova, Maira, and Saraf, Sakshi, Interdependent Dynamics of Food, Energy and Water in Kazakhstan and Mongolia: Connecting LCLUC to Socioecological Systems in Central Asian transitional economies. Presented at the American Geophysical Union 2021, New Orleans. (December 17, 2021)
• Kolluru, John, Ranjeet, Chen, Jiquan , Giannico, Vincenzo, Kussainova, Maira, Saraf, Sakshi, Goljani-Amirkhiz, Reza, and Jain, Khushboo, Untangling the Role of Socio-Economic and Climatic Changes on Vegetation Greenness and Productivity in Kazakhstan. Presented at the American Geophysical Union 2021, New Orleans. (December 17, 2021)
• Shirkey, Gabriela , John, Ranjeet, Dahlin, Kyla, Sciusco, Pietro, Chen, Jiquan, Abraha, Michael, Lei, Cheyenne , and Reed, David, Improving Modeling of gross primary production through integration of high resolution remote sensing images . Presented at the Fall 2021 SpecNet Community Meeting (October 29, 2021)
• John, Ranjeet, Interdependent Dynamics of Food, Energy and Water in Kazakhstan and Mongolia: Connecting LULCC to the Transitional Socioecological Systems. Presented at the LCLUC Central Asia Webinar Series 2021, online. (June 17, 2021)
• John, Ranjeet, GIS and Application. Presented at the Key Curriculums for Ecology and Environmental Sciences in Kazakhstan and Central Asia Academic Institutions, online. (May 28, 2021)
• John, Ranjeet, Remote Sensing of Environment. Presented at the Key Curriculums for Ecology and Environmental Sciences in Kazakhstan and Central Asia Academic Institutions, Online. (May 25, 2021)
• Shirkey, Gabriela, John, Ranjeet, Chen, Jiquan, Abraha, Michael, Sciusco, Pietro, and Reed, David , Evaluation of satellite-derived gross primary production products across managed Midwest landscapes. Presented at the 2020 AmeriFlux Annual Meeting (October 08, 2020)
• John, Ranjeet, Chen, Jiquan , and Zhao, Jinhua, GC21E-1288-Interdependent dynamics of food, energy and water in Kazakhstan and Mongolia: Connecting LULCC to the transitional socioecological systems. Presented at the AGU 2019 Annual meeting, Moscone South, San francisco. (December 10, 2019)
• Ruma, Amena B., Sweeney, Mark, John, Ranjeet, and Dixon, Mark, Patterns and Processes of Sandbar Revegetation on the Missouri National Recreational River. Presented at the 2019 Missouri River Institute Symposium, Vermillion, SD. (November 21, 2019)
• John, Ranjeet, Grassland Canopy Cover and Aboveground Biomass on the Mongolian Plateau: Spatiotemporal Estimates and Controlling Factors. Presented at the WaferX NSF EpSCOR Grant Annual meeting, University of South Dakota. (June 10, 2019)