Reforestation accelerates soil organic carbon accumulation: Evidence from microbial biomarkers
文献类型：期刊论文
| 作者 | Liang, Chao1; Bao, Xuelian1; Shao, Pengshuai1,2; Xie, Hongtu1; Lynch, Laurel3 |
| 刊名 | SOIL BIOLOGY & BIOCHEMISTRY
 |
| 出版日期 | 2019-04-01 |
| 卷号 | 131页码:182-190 |
| 关键词 | Soil carbon storage Microbial biomass Microbial necromass Reforestation Climate change |
| ISSN号 | 0038-0717 |
| DOI | 10.1016/j.soilbio.2019.01.012 |
| 英文摘要 | Soils store more carbon (C) belowground than plants and the atmosphere combined, providing a critical ecosystem service. While previous research has shown that sustainable forest management practices can increase soil C storage by enhancing plant productivity, the role of soil microbes remains elusive. We analyzed changes in plant litter, soil C, and microbial parameters across a reforestation chronosequence-with average stand ages of similar to 20, 80, 120, 200 and >= 300 years-to evaluate how microbial communities mediate soil C transformation and sequestration. We observed generally consistent increases in microbial biomass (lipid biomarkers), microbial necromass (amino sugar biomarkers), and soil organic C with forest age, highlighting microbial regulation of soil C accumulation. Specifically, increases in microbial biomass preceded gains in soil C, suggesting microbial lipids are an early and sensitive indicator of ecosystem restoration. We also observed a rapid increase in microbial necromass relative to bulk soil C in forests restored for 80-200 years, likely due to accelerated microbial turnover rates. These patterns suggest high plant productivity (low litter C: N ratios) during the early and middle stages of reforestation facilitates efficient microbial growth and necromass accrual in SOC stocks. As forests age, the contribution of microbial necromass to the SOC pool declines toward background levels. Our results suggest reforestation offers a positive feedback solution that mitigates climate change by efficiently sequestering soil C belowground. |
| 资助项目 | National Key Research and Development Program[2016YFA0600802] ; National Natural Science Foundation of China[41471218] ; National Natural Science Foundation of China[41501282] ; National Natural Science Foundation of China[41571237] ; Strategic Priority Research Program of the Chinese Academy of Sciences[XDB15010303] |
| WOS研究方向 | Agriculture |
| 语种 | 英语 |
| WOS记录号 | WOS:000459841300021 |
| 出版者 | PERGAMON-ELSEVIER SCIENCE LTD |
| 源URL | [http://210.72.129.5/handle/321005/123961]  |
| 专题 | 中国科学院沈阳应用生态研究所 |
| 通讯作者 | Liang, Chao |
| 作者单位 | 1.Chinese Acad Sci, Inst Appl Ecol, Key Lab Forest Ecol & Management, Shenyang 110016, Peoples R China 2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China 3.Cornell Univ, Coll Agr & Life Sci, Sect Soil & Crop Sci, Ithaca, NY 14853 USA |
| 推荐引用方式 GB/T 7714 | Liang, Chao,Bao, Xuelian,Shao, Pengshuai,et al. Reforestation accelerates soil organic carbon accumulation: Evidence from microbial biomarkers[J]. SOIL BIOLOGY & BIOCHEMISTRY,2019,131:182-190. |
| APA | Liang, Chao,Bao, Xuelian,Shao, Pengshuai,Xie, Hongtu,&Lynch, Laurel.(2019).Reforestation accelerates soil organic carbon accumulation: Evidence from microbial biomarkers.SOIL BIOLOGY & BIOCHEMISTRY,131,182-190. |
| MLA | Liang, Chao,et al."Reforestation accelerates soil organic carbon accumulation: Evidence from microbial biomarkers".SOIL BIOLOGY & BIOCHEMISTRY 131(2019):182-190. |
入库方式： OAI收割
来源：沈阳应用生态研究所
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