Mineral-mediated stability of organic carbon in soil and relevant interaction mechanisms

作     者：Zibo Xu Daniel C.W.Tsang 

作者机构：Department of Civil and Environmental EngineeringThe Hong Kong Polytechnic UniversityHung HomKowloonHong KongChina Department of Civil and Environmental EngineeringThe Hong Kong University of Science and TechnologyClear Water BayHong KongChina 

出 版 物：《Eco-Environment & Health》 (生态环境与健康（英文）)

年 卷 期：2024年第3卷第1期

页      面：59-76页

学科分类：12[管理学] 1204[管理学-公共管理] 082803[工学-农业生物环境与能源工程] 08[工学] 0828[工学-农业工程] 120405[管理学-土地资源管理] 

基　　金：support from the Hong Kong Research Grants Council(PolyU 15231522) Hong Kong Environment and Conservation Fund(Project 104/2021)for this study 

主　　题：Carbon stability Mineral transformation Carbon sequestration Bio-geochemistry Soil carbon management Sustainable waste management 

摘      要：Soil,the largest terrestrial carbon reservoir,is central to climate change and relevant feedback to environmental *** are the essential components that contribute to over 60%of soil carbon ***,how the interactions between minerals and organic carbon shape the carbon transformation and stability remains poorly ***,we critically review the primary interactions between organic carbon and soil minerals and the relevant mechanisms,including sorption,redox reaction,co-precipitation,dissolution,polymerization,and catalytic *** interactions,highly complex with the combination of multiple processes,greatly affect the stability of organic carbon through the following processes:(1)formation or deconstruction of the mineral–organic carbon association;(2)oxidative transformation of the organic carbon with minerals;(3)catalytic polymerization of organic carbon with minerals;and(4)varying association stability of organic carbon according to the mineral *** pieces of evidence related to the carbon turnover and stability during the interaction with soil minerals in the real eco-environment are then *** also highlight the current research gaps and outline research priorities,which may map future directions for a deeper mechanismsbased understanding of the soil carbon storage capacity considering its interactions with minerals.