文献类型：期刊文献

英文题名：Shifts in biotic and abiotic controls of soil organic carbon mineralization across vegetation types and soil depths in Luya Mountain

作者：Wen, Yongli[1] Gao, Xiaoqin[1] Zhang, Zhuoyue[2] Wang, Xiao[3] Cheng, Man[2]

第一作者：Wen, Yongli

机构：[1] Institute of Loess Plateau, Shanxi University, Taiyuan, 030031, China; [2] School of Environmental and Resource Sciences, Shanxi University, Taiyuan, 030031, China; [3] Key Laboratory of Forest Ecology and Environment of National Forestry and Grassland Administration, Ecology and Nature Conservation Institute, Chinese Academy of Forestry, Beijing, 100091, China

年份：2025

卷号：1001

外文期刊名：Science of the Total Environment

收录：EI(收录号：20253819203264);Scopus(收录号：2-s2.0-105016313803)

语种：英文

外文关键词：Abiotic - Biotic - Carbon dioxide - Complex networks - Forestry - Iron oxides - Microorganisms - Mineralogy - Organic carbon - Soil surveys - Soils - Substrates

摘要：Soil organic carbon (SOC) mineralization strongly influences terrestrial carbon (C) cycling, yet how microbial activity, substrate availability, and mineral associations jointly control SOC turnover across vegetation types and soil depths remains unclear. In this study, we investigated SOC mineralization in soils from forests, meadows, and shrublands of the Luya Mountain region, integrating microbial network analysis with Fe–organic carbon (Fe-OC) characterization to partition the relative contributions of biotic and abiotic factors. Cumulative CO? release during a 97-day incubation ranged from 3.30 to 7.42 mg C-CO2 g dry soil?1 in surface soils and from 1.92 to 4.24 mg C-CO2 g dry soil?1 in subsurface soils, with significantly higher rates in forest than in shrub soils (p ? 2025 Elsevier B.V.