Acknowledgment
This study was supported by the Key Research and Development program of Hunan Province (2020NK2022), National Natural Science Foundation of China (32171761), Scientific Innovation Fund for Post-graduates of Central South University of Forestry and Technology (CX20191006, CX202102023), and Special Funding for Innovative Construction in Hunan Province (2021ZK4226). Thanks also to the staff in Lutou National Station for Scientific Observation and Research of Forest Ecosystems and National Engineering Laboratory of Applied Technology for Forestry & Ecology in Southern China for field sampling and laboratory analysis. We appreciate the West-Siberian Interregional Science and Education Center’s (project 89-DON) and CarboRus project (075-15-2021-610). Special thanks to the Ministry of Education of the People’s Republic of China providing Yakov Kuzyakov the Changjiang Professorship Award. The publication was supported by the Government Program of Competitive Growth of Kazan Federal University and with the support of the “RUDN University Strategic Academic Leadership program”.
Declaration of interests
The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.