Acknowledgments
We would like to thank T. Kubo and S. I. Levshina for helping remote sensing analysis and sample analyses in the laboratory. We are also grateful to D. N. Markina for mediating this work as an interpreter. We greatly thank N. P. Mihailov for helping with the field research as a guide in the Tyrma region. This research was partially funded by the Center for International Forestry Research (CIFOR) project titled “Enhancing climate-resilient livelihoods in boreal and tropical high carbon forests and peatlands” and the Japan Society for the Promotion of Science KAKENHI (Grant No. 19H05668) project titled “Pan-Arctic Water–Carbon Cycles (PWACs)” (https://enpawcs.home.blog/).