Moderate increase of precipitation stimulates CO2 production by regulating soil organic carbon in a saltmarsh
文献类型：期刊论文
| 作者 | Zhang, Lirong1,2; Han, Guangxuan2,3,6 ; Zhou, Lifeng2,4; Li, Xinge1,2,5; Wang, Xiaojie2,3,6; Zhang, Xiaoshuai2,3,6; Xiao, Leilei2,3,6
|
| 刊名 | FRONTIERS IN MICROBIOLOGY
 |
| 出版日期 | 2024-01-24 |
| 卷号 | 15页码:8 |
| 关键词 | precipitation change saltmarsh CO2 production potential carbon quantity and quality microbial r-/K-strategy |
| DOI | 10.3389/fmicb.2024.1328965 |
| 通讯作者 | Xiao, Leilei(llxiao@yic.ac.cn) |
| 英文摘要 | Saltmarsh is widely recognized as a blue carbon ecosystem with great carbon storage potential. Yet soil respiration with a major contributor of atmospheric CO2 can offset its carbon sink function. Up to date, mechanisms ruling CO2 emissions from saltmarsh soil remain unclear. In particular, the effect of precipitation on soil CO2 emissions is unclear in coastal wetlands, due the lack of outdoor data in real situations. We conducted a 7-year field manipulation experiment in a saltmarsh in the Yellow River Delta, China. Soil respiration in five treatments (-60%, -40%, +0%, +40%, and + 60% of precipitation) was measured in the field. Topsoils from the last 3 years (2019-2021) were analyzed for CO2 production potential by microcosm experiments. Furthermore, quality and quantity of soil organic carbon and microbial function were tested. Results show that only the moderate precipitation rise of +40% induced a 66.2% increase of CO2 production potential for the microcosm experiments, whereas other data showed a weak impact. Consistently, soil respiration was also found to be strongest at +40%. The CO2 production potential is positively correlated with soil organic carbon, including carbon quantity and quality. But microbial diversity did not show any positive response to precipitation sizes. r-/K-strategy seemed to be a plausible explanation for biological factors. Overall, our finding reveal that a moderate precipitation increase, not decrease or a robust increase, in a saltmarsh is likely to improve soil organic carbon quality and quantity, and bacterial oligotroph:copiotroph ratio, ultimately leading to an enhanced CO2 production. |
| WOS关键词 | DROUGHT ; RESPIRATION ; RESPONSES ; SENSITIVITY ; FOREST ; REDUCE ; MATTER |
| WOS研究方向 | Microbiology |
| 语种 | 英语 |
| WOS记录号 | WOS:001158336300001 |
| 资助机构 | Youth Innovation Promotion Association, CAS10.13039/501100004739 |
| 源URL | [http://ir.yic.ac.cn/handle/133337/36322]  |
| 专题 | 烟台海岸带研究所_中科院海岸带环境过程与生态修复重点实验室 烟台海岸带研究所_近岸生态与环境实验室 中国科学院黄河三角洲滨海湿地试验站 |
| 通讯作者 | Xiao, Leilei |
| 作者单位 | 1.Univ Chinese Acad Sci, Beijing, Peoples R China 2.Chinese Acad Sci, Yantai Inst Coastal Zone Res, CAS Key Lab Coastal Environm Proc & Ecol Remediat, Yantai, Peoples R China 3.Chinese Acad Sci, Yellow River Delta Ecol Res Stn Coastal Wetland, Yantai, Peoples R China 4.Liaocheng Univ, Sch Geog & Environm, Liaocheng, Peoples R China 5.Henan Univ, Coll Geog & Environm Sci, Kaifeng, Peoples R China 6.Shandong Key Lab Coastal Environm Proc, Yantai, Peoples R China |
| 推荐引用方式 GB/T 7714 | Zhang, Lirong,Han, Guangxuan,Zhou, Lifeng,et al. Moderate increase of precipitation stimulates CO2 production by regulating soil organic carbon in a saltmarsh[J]. FRONTIERS IN MICROBIOLOGY,2024,15:8. |
| APA | Zhang, Lirong.,Han, Guangxuan.,Zhou, Lifeng.,Li, Xinge.,Wang, Xiaojie.,...&Xiao, Leilei.(2024).Moderate increase of precipitation stimulates CO2 production by regulating soil organic carbon in a saltmarsh.FRONTIERS IN MICROBIOLOGY,15,8. |
| MLA | Zhang, Lirong,et al."Moderate increase of precipitation stimulates CO2 production by regulating soil organic carbon in a saltmarsh".FRONTIERS IN MICROBIOLOGY 15(2024):8. |
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。