Phosphorus supply suppressed microbial necromass but stimulated plant lignin phenols accumulation in soils of alpine grassland on the Tibetan Plateau
文献类型：期刊论文
| 作者 | Ma Tian1,2 ; Yang Zhiying1; Shi Biwan1; Gao Wenjing1; Li Yifan1; Zhu Jianxiao1; He Jin-Sheng1
|
| 刊名 | Geoderma
 |
| 出版日期 | 2023-02 |
| 卷号 | 431页码:1-10 |
| 关键词 | Soil organic carbon Microbial necromass Lignin phenols N and P addition Alpine grassland |
| ISSN号 | 0016-7061 |
| DOI | 10.1016/j.geoderma.2023.116376 |
| 文献子类 | Article |
| 英文摘要 | Increased nitrogen (N) and phosphorus (P) inputs have fundamental effects on the soil organic carbon (SOC) composition and dynamics. However, the responses of plant- and microbial-derived SOC components to N and P addition in alpine grasslands are poorly understood. Based on a 10-year N and P addition experiment conducted in the alpine grassland of the Tibetan Plateau, we used amino sugars and lignin phenols as tracers for microbial necromass and plant lignin components, respectively, and explored their accumulation withthe addition of N and P. We found that P and N + P addition (P supply) decreased microbial necromass, whereas N addition did not have a significant effect. In comparison, the P supply increased lignin phenols in the topsoil, but N addition decreased them in the subsoil. Among these factors, soil total P played a non-negligible role in controlling the accumulation of amino sugars and lignin phenols in soils. In addition, decreased ratios of fungi-to-bacteria necromass carbon and amino sugars to lignin phenols were observed with P supply. This implies that although the 10-year P supply did not change the SOC significantly, it may have eventually increased the SOC loss potential. Collectively, we attempted to elucidate the underlying mechanisms of long-term SOC sequestration, which has important implications for plant- and microbial-mediated carbon processes in the context of increasing N and P inputs. |
| WOS关键词 | CARBON SEQUESTRATION ; ORGANIC-MATTER ; NITROGEN ; BIOMASS ; FUNGAL ; STABILIZATION ; ASSOCIATIONS ; DEGRADATION ; MECHANISMS ; LIMITATION |
| WOS研究方向 | Agriculture |
| 语种 | 英语 |
| WOS记录号 | WOS:000934102400001 |
| 源URL | [http://ir.yic.ac.cn/handle/133337/40056]  |
| 专题 | 中国科学院烟台海岸带研究所 个人在本单位外知识产出 |
| 通讯作者 | Ma Tian |
| 作者单位 | 1.State Key Laboratory of Grassland and Agro-ecosystems, and College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou 730020, China 2.Observation and Research Station on Eco-environment of Frozen Ground in the Qilian Mountains, Lanzhou University, Lanzhou 730020, China |
| 推荐引用方式 GB/T 7714 | Ma Tian,Yang Zhiying,Shi Biwan,et al. Phosphorus supply suppressed microbial necromass but stimulated plant lignin phenols accumulation in soils of alpine grassland on the Tibetan Plateau[J]. Geoderma,2023,431:1-10. |
| APA | Ma Tian.,Yang Zhiying.,Shi Biwan.,Gao Wenjing.,Li Yifan.,...&He Jin-Sheng.(2023).Phosphorus supply suppressed microbial necromass but stimulated plant lignin phenols accumulation in soils of alpine grassland on the Tibetan Plateau.Geoderma,431,1-10. |
| MLA | Ma Tian,et al."Phosphorus supply suppressed microbial necromass but stimulated plant lignin phenols accumulation in soils of alpine grassland on the Tibetan Plateau".Geoderma 431(2023):1-10. |
入库方式： OAI收割
来源：烟台海岸带研究所
浏览0
下载0
收藏0
其他版本
除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。