1. Ecosystem Ecology Laboratory College of Resources and Environmental Sciences Nanjing Agricultural University Nanjing China
2. Department of Ecology, Evolution, and Organismal Biology Iowa State University Ames IA USA
3. International Magnesium Institute College of Resources and Environment Fujian Agriculture and Forestry University Fuzhou China
4. State Key Laboratory of Loess and Quaternary Geology Institute of Earth Environment Chinese Academy of Sciences Xi'an China
5. Department of Entomology & Plant Pathology North Carolina State University Raleigh NC USA