Research data of "Distribution, characteristics, and importance of particulate and mineral-associated organic carbon in China forest"

We used the Web of Science (https://www.webofscience.com), Google Scholar (https://scholar. google.com), and China National Knowledge Infrastructure (CNKI, http://www.cnki.net) to compile a list of all peer-reviewed articles that investigated the soil organic carbon components in forest ecosystem of China. Apart from the SOC and SOC components, forest types, forest age, sampling depth, climatic properties (MAT and MAP), vegetation (microbial biomass carbon, litter biomass, living fin root biomass, above-ground biomass carbon) and edaphic properties (soil pH, total organic carbon, total nitrogen, total phosphorus, soil type, dissolved organic carbon, bulk density and Silt+Clay%) in sites for each study were extracted from material and method section, tables or supporting information in each study. After multiple screening of articles, we totally collected 540 observational data from 59 independent studies, which covers major forest ecosystems of China.本研究依托科学引文索引（Web of Science，https://www.webofscience.com）、谷歌学术（Google Scholar，https://scholar.google.com）及中国知网（CNKI，http://www.cnki.net）三大数据库，检索并整理所有针对中国森林生态系统土壤有机碳组分开展研究的同行评议学术论文。 除土壤有机碳（Soil Organic Carbon，SOC）及其组分外，研究团队还从每篇文献的材料与方法章节、表格或补充材料中，提取了各研究样地的森林类型、林龄、采样深度、气候因子（年均温（Mean Annual Temperature，MAT）与年均降水量（Mean Annual Precipitation，MAP））、植被指标（微生物生物量碳、凋落物生物量、活细根生物量及地上生物量碳）以及土壤理化性质（土壤pH值、总有机碳、全氮、全磷、土壤类型、溶解性有机碳、容重及粉粒+黏粒百分含量）。 经过多轮文献筛选，本研究最终从59项独立研究中收集得到540组观测数据，覆盖中国境内各类主要森林生态系统。