Forest carbon stocks increase with higher dominance of ectomycorrhizal trees in high latitude forests

Guoyong Yan, Chunnan Fan, Junqiang Zheng, Guancheng Liu, Jinghua Yu, Zhongling Guo, Wei Cao, Lihua Wang, Wenjie Wang, Qingfan Meng, Junhui Zhang, Yan Li, Jinping Zheng, Xiaoyang Cui, Xiaochun Wang, Lijian Xu, Yan Sun, Zhi Zhang, Xiao-Tao Lü, Ying Zhang, Rongjiu Shi, Guangyou Hao, Yue Feng, Jinsheng He, Qinggui Wang (), Yajuan Xing () and Shijie Han ()
Additional contact information
Guoyong Yan: Qufu Normal University
Chunnan Fan: Beihua University
Junqiang Zheng: Henan University
Guancheng Liu: Qufu Normal University
Jinghua Yu: Chinese Academy of Sciences
Zhongling Guo: Beihua University
Wei Cao: Chinese Academy of Sciences
Lihua Wang: Chinese Academy of Sciences
Wenjie Wang: Northeast Forestry University
Qingfan Meng: Beihua University
Junhui Zhang: Qufu Normal University
Yan Li: Beihua University
Jinping Zheng: Beihua University
Xiaoyang Cui: Northeast Forestry University
Xiaochun Wang: Northeast Forestry University
Lijian Xu: Heilongjiang University
Yan Sun: Heilongjiang University
Zhi Zhang: Lishui University
Xiao-Tao Lü: Chinese Academy of Sciences
Ying Zhang: Chinese Academy of Sciences
Rongjiu Shi: Chinese Academy of Sciences
Guangyou Hao: Chinese Academy of Sciences
Yue Feng: Chinese Academy of Sciences
Jinsheng He: Peking University
Qinggui Wang: Qufu Normal University
Yajuan Xing: Qufu Normal University
Shijie Han: Qufu Normal University

Nature Communications, 2024, vol. 15, issue 1, 1-11

Abstract: Abstract Understanding the mechanisms controlling forest carbon accumulation is crucial for predicting and mitigating future climate change. Yet, it remains unclear whether the dominance of ectomycorrhizal (EcM) trees influences the carbon accumulation of entire forests. In this study, we analyzed forest inventory data from over 4000 forest plots across Northeast China. We find that EcM tree dominance consistently exerts a positive effect on tree, soil, and forest carbon stocks. Moreover, we observe that these positive effects are more pronounced during unfavorable climate conditions, at lower tree species richness, and during early successional stages. This underscores the potential of increasing the dominance of native EcM tree species not only to enhance carbon stocks but also to bolster resilience against climate change in high-latitude forests. Here we show that forest managers can make informed decisions to optimize carbon accumulation by considering various factors such as mycorrhizal types, climate, successional stages, and species richness.

Date: 2024
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DOI: 10.1038/s41467-024-50423-9

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