Arbuscular mycorrhizal fungi regulate soil respiration and its response to precipitation change in a semiarid steppe
文献类型：期刊论文
| 作者 | Han, Xingguo2,3; Zhang, Bingwei1,2; Li, Shan1,2; Chen, Shiping2; Ren, Tingting2; Yang, Zhiqiang1,2; Zhao, Hanlin2; Liang, Yu2 |
| 刊名 | SCIENTIFIC REPORTS
 |
| 出版日期 | 2016-01-28 |
| 卷号 | 6 |
| ISSN号 | 2045-2322 |
| DOI | 10.1038/srep19990 |
| 英文摘要 | Arbuscular mycorrhizal fungi (AMF) are critical links in plant-soil continuum and play a critical role in soil carbon cycles. Soil respiration, one of the largest carbon fluxes in global carbon cycle, is sensitive to precipitation change in semiarid ecosystems. In this study, a field experiment with fungicide application and water addition was conducted during 2010-2013 in a semiarid steppe in Inner Mongolia, China, and soil respiration was continuously measured to investigate the influences of AMF on soil respiration under different precipitation regimes. Results showed that soil respiration was promoted by water addition treatment especially during drought seasons, which induced a nonlinear response of soil respiration to precipitation change. Fungicide application suppressed AMF root colonization without impacts on soil microbes. AMF suppression treatment accelerated soil respiration with 2.7, 28.5 and 37.6 g Cm-2 across three seasons, which were mainly caused by the enhanced heterotrophic component. A steeper response of soil respiration rate to precipitation was found under fungicide application treatments, suggesting a greater dampening effect of AMF on soil carbon release as water availability increased. Our study highlighted the importance of AMF on soil carbon stabilization and sequestration in semiarid steppe ecosystems especially during wet seasons. |
| WOS研究方向 | Science & Technology - Other Topics |
| 语种 | 英语 |
| WOS记录号 | WOS:000368777500003 |
| 出版者 | NATURE PUBLISHING GROUP |
| 源URL | [http://210.72.129.5/handle/321005/122405]  |
| 专题 | 中国科学院沈阳应用生态研究所 |
| 通讯作者 | Chen, Shiping; Liang, Yu |
| 作者单位 | 1.Univ Chinese Acad Sci, Beijing 100049, Peoples R China 2.Chinese Acad Sci, Inst Bot, State Key Lab Vegetat & Environm Change, Beijing 100093, Peoples R China 3.Chinese Acad Sci, Inst Appl Ecol, State Key Lab Forest & Soil Ecol, Shenyang 110164, Peoples R China |
| 推荐引用方式 GB/T 7714 | Han, Xingguo,Zhang, Bingwei,Li, Shan,et al. Arbuscular mycorrhizal fungi regulate soil respiration and its response to precipitation change in a semiarid steppe[J]. SCIENTIFIC REPORTS,2016,6. |
| APA | Han, Xingguo.,Zhang, Bingwei.,Li, Shan.,Chen, Shiping.,Ren, Tingting.,...&Liang, Yu.(2016).Arbuscular mycorrhizal fungi regulate soil respiration and its response to precipitation change in a semiarid steppe.SCIENTIFIC REPORTS,6. |
| MLA | Han, Xingguo,et al."Arbuscular mycorrhizal fungi regulate soil respiration and its response to precipitation change in a semiarid steppe".SCIENTIFIC REPORTS 6(2016). |
入库方式： OAI收割
来源：沈阳应用生态研究所
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