Responses of soil respiration to experimental warming in an alpine steppe on the Tibetan Plateau
文献类型：期刊论文
| 作者 | Wang, Guanqin; Li, Fei; Peng, Yunfeng; Yu, Jianchun; Zhang, Dianye; Yang, Guibiao; Fang, Kai; Wang, Jun; Mohammat, Anwar; Zhou, Guoying
|
| 刊名 | ENVIRONMENTAL RESEARCH LETTERS
 |
| 出版日期 | 2019 |
| 卷号 | 14期号:9 |
| 关键词 | climate warming meta-analysis carbon cycle carbon-climate feedback alpine ecosystem arctic ecosystem |
| 英文摘要 | High-latitude and high-altitude ecosystems store large amounts of carbon (C) and play a vital role in the global C cycle. Soil respiration (R-S) in these ecosystems is believed to be extremely sensitive to climate warming and could potentially trigger positive C-climate feedback. However, this evidence is largely derived from wet ecosystems, with limited observations from dry ecosystems. Here, we explored the responses of R-S, autotrophic (R-A), and heterotrophic (R-H) respiration under experimental warming in a dry ecosystem, an alpine steppe on the Tibetan Plateau. We assessed the effects of soil temperature and moisture dynamics on R-S, R-A, and R-H and performed a meta-analysis to examine whether the warming effects observed were similar to those reported in wet ecosystems, including Tibetan alpine meadow and arctic ecosystem. Experimental warming did not alter R-S, R-A, and R-H in this alpine steppe, likely because decreased soil moisture constrained positive warming effects. In contrast, the meta-analysis revealed that R-S exhibited a significant increase under experimental warming in both the Tibetan alpine meadow and arctic wet tundra. These results demonstrate that R-S exhibits different responses to climate warming between dry and wet ecosystems, suggesting potential more complex C-climate feedback in cold regions. |
| 源URL | [http://210.75.249.4/handle/363003/59711]  |
| 专题 | 西北高原生物研究所_中国科学院西北高原生物研究所 |
| 推荐引用方式 GB/T 7714 | Wang, Guanqin,Li, Fei,Peng, Yunfeng,et al. Responses of soil respiration to experimental warming in an alpine steppe on the Tibetan Plateau[J]. ENVIRONMENTAL RESEARCH LETTERS,2019,14(9). |
| APA | Wang, Guanqin.,Li, Fei.,Peng, Yunfeng.,Yu, Jianchun.,Zhang, Dianye.,...&Yang, Yuanhe.(2019).Responses of soil respiration to experimental warming in an alpine steppe on the Tibetan Plateau.ENVIRONMENTAL RESEARCH LETTERS,14(9). |
| MLA | Wang, Guanqin,et al."Responses of soil respiration to experimental warming in an alpine steppe on the Tibetan Plateau".ENVIRONMENTAL RESEARCH LETTERS 14.9(2019). |
入库方式： OAI收割
来源：西北高原生物研究所
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。