Effects of global change and human disturbance on soil carbon cycling in boreal forest: A review

作     者：Pengshuai SHAO Hongyan HAN Jingkuan SUN Hongtu XIE Pengshuai SHAO;Hongyan HAN;Jingkuan SUN;Hongtu XIE

作者机构：Shandong Key Laboratory of Eco-Environmental Science for the Yellow River DeltaBinzhou UniversityBinzhou 256603China Institute of Applied EcologyChinese Academy of SciencesShenyang 110016China 

出 版 物：《Pedosphere》 (土壤圈（英文版）)

年 卷 期：2023年第33卷第1期

页      面：194-211页

核心收录：

学科分类：09[农学] 0903[农学-农业资源与环境] 090301[农学-土壤学] 

基　　金：supported by the National Natural Science Foundation of China(Nos.32001134,41671297,and 32101387) the Shandong Provincial Natural Science Foundation of China(Nos.ZR2020QC040 and ZR2020QD004) the CAS Key Laboratory of Coastal Environmental Processes and Ecological Remediation,Yantai Institute of Coastal Zone Research,Chinese Academy of Sciences(No.2019KJD010) 

主　　题：climate warming forest C budget forest management N deposition soil microorganism terrestrial ecosystem 

摘      要：Increasing human demands for Earth’s resources are hastening many environmental changes and creating a need to incorporate the routine monitoring of ecosystem functions into forest *** global change and anthropogenic disturbances,soil carbon(C)cycling in terrestrial ecosystems is undergoing substantial changes that result in the transformation between soil C sources and ***,the forest C budget requires an understanding of the underlying soil C dynamic under environmental *** present review focuses on the response and feedback of soil C cycling to global change(climate warming and nitrogen(N)deposition)and human disturbances(fire and logging)and detects the association of soil C cycling with soil C and N efflux and inflow in boreal *** effects of climate warming and N deposition on soil C cycling are complex,especially at short-term temporal *** warming can decay soil organic matter(SOM)to emit substantial amounts of CO2,and differing warming durations result in different effects on soil C loss,ranging from ca.1 to 15 Mg C ha−***-term soil warming mainly reduces the labile soil C pool and increases the decomposition of recalcitrant soil C compounds(e.g.,lignin),whereas longer-term warming may limit soil C loss due to impoverished soil C substrate and microbial *** N addition is conducive to enhancing soil C storage(ca.2–22 Mg C ha−1),by increasing plant productivity including above-and belowground biomass;however,chronic N deposition or excess N addition can result in soil acidity,reducing N use efficiency and plant growth and further resulting in no changes or declines in soil C *** and logging lead to a large quantity of soil C loss via impaired plant productivity and increased organic matter degradation,exacerbating global *** particular,severe fire can cause a large amount of soil C loss,ca.16–34 Mg C ha−1 in the data we ***,the black C input induced by fire