Xiaocui Wu, University of Oklahoma Norman Campus, Norman, OK, United States, Xiangming Xiao, Department of Microbiology and Plant Biology, Center for Spatial Analysis, University of Oklahoma, Norman, United States, Yao Zhang, Department of Earth and Environmental Engineering, Columbia University, New York, United States, Wei He, Nanjing University, Nanjing, China, Jie Wang, University of Oklahoma Norman Campus, Department of Microbiology and Plant Biology, Center for Spatial Analysis, Norman, OK, United States, Qing Chang, Oklahoma University, Norman, OK, United States, Russell Doughty, University of Oklahoma, Department of Microbiology and Plant Biology, Center for Spatial Analysis, Norman, OK, United States and Yuanwei Qin, University of Oklahoma, Norman, OK, United States