{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Zhou G"],"funding":["Chinese Academy of Sciences","National Natural Science Foundation of China"],"pagination":["746-757"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC8291401"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["6(4)"],"pubmed_abstract":["Soil organic carbon (SOC) plays critical roles in stabilizing atmospheric CO<sub>2</sub> concentration, but the mechanistic controls on the amount and distribution of SOC on global scales are not well understood. In turn, this has hampered the ability to model global C budgets and to find measures to mitigate climate change. Here, based on the data from a large field survey campaign with 2600 plots across China's forest ecosystems and a global collection of published data from forested land, we find that a low litter carbon-to-nitrogen ratio (C/N) and high wetness index (P/PET, precipitation-to-potential-evapotranspiration ratio) are the two factors that promote SOC accumulation, with only minor contributions of litter quantity and soil texture. The field survey data demonstrated that high"],"journal":["National science review"],"pubmed_title":["Climate and litter C/N ratio constrain soil organic carbon accumulation."],"pmcid":["PMC8291401"],"funding_grant_id":["XDA05050000","NSFC41430529"],"pubmed_authors":["Liu J","Ciais P","Fang J","Zhang D","Du S","Lu X","Yu G","Ma Y","Wang G","Liu S","Han S","Manzoni S","Zhang Q","Ren H","Chu G","Zhou G","Wang W","Chen X","Tang X","Yan J","Zhou P","Li Y","Li S","Huang W","Xu S","Ma K"],"additional_accession":[]},"is_claimable":false,"name":"Climate and litter C/N ratio constrain soil organic carbon accumulation.","description":"Soil organic carbon (SOC) plays critical roles in stabilizing atmospheric CO<sub>2</sub> concentration, but the mechanistic controls on the amount and distribution of SOC on global scales are not well understood. In turn, this has hampered the ability to model global C budgets and to find measures to mitigate climate change. Here, based on the data from a large field survey campaign with 2600 plots across China's forest ecosystems and a global collection of published data from forested land, we find that a low litter carbon-to-nitrogen ratio (C/N) and high wetness index (P/PET, precipitation-to-potential-evapotranspiration ratio) are the two factors that promote SOC accumulation, with only minor contributions of litter quantity and soil texture. The field survey data demonstrated that high","dates":{"release":"2019-01-01T00:00:00Z","publication":"2019 Jul","modification":"2025-04-19T20:43:29.916Z","creation":"2025-04-19T20:43:29.916Z"},"accession":"S-EPMC8291401","cross_references":{"pubmed":["34691930"],"doi":["10.1093/nsr/nwz045"]}}