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| Content Provider | Springer Nature Link |
|---|---|
| Author | Deng, Bangliang Li, Zhenzhen Zhang, Ling Ma, Yingchao Li, Zhi Zhang, Wenyuan Guo, Xiaomin Niu, Dekui Siemann, Evan |
| Copyright Year | 2015 |
| Abstract | Ecosystem restorations can impact carbon dioxide (CO$_{2}$) and nitrous oxide (N$_{2}$O) emissions which are important greenhouse gasses. Alpine meadows are degraded worldwide, but restorations are increasing. Because their soils represent large carbon (C) and nitrogen (N) pools, they may produce significant amounts of CO$_{2}$ and N$_{2}$O depending on the plant species used in restorations. In addition, warming and N deposition may impact soil CO$_{2}$ and N$_{2}$O emissions from restored meadows.We collected soils from degraded meadows and plots restored using three different plant species at Wugong Mountain (Jiangxi, China). We measured CO$_{2}$ and N$_{2}$O emissions when soils were incubated at different temperatures (15, 25 or 35 °C) and levels of N addition (control vs. 4 g m$^{−2}$) to understand their responses to warming and N deposition.Dissolved organic C was higher in restored plots (especially with Fimbristylis dichotoma) compared to non-restored bare soils, and their soil inorganic N was lower. CO$_{2}$ emission rates were increased by vegetation restorations, decreased by N deposition, and increased by warming. CO$_{2}$ emission rates were similar for the three grass species at 15 and 25 °C, but they were lower with Miscanthus floridulus at 35 °C. Soils from F. dichotoma and Carex chinensis plots had higher N$_{2}$O emissions than degraded or M. floridulus plots, especially at 25 °C.These results show that the effects of restorations on soil greenhouse gas emissions depended on plant species. In addition, these differences varied with temperature suggesting that future climate should be considered when choosing plant species in restorations to predict soil CO$_{2}$ and N$_{2}$O emissions and global warming potential. |
| Starting Page | 777 |
| Ending Page | 784 |
| Page Count | 8 |
| File Format | |
| ISSN | 14390108 |
| Journal | Journal of Soils and Sediments |
| Volume Number | 16 |
| Issue Number | 3 |
| e-ISSN | 16147480 |
| Language | English |
| Publisher | Springer Berlin Heidelberg |
| Publisher Date | 2015-11-20 |
| Publisher Place | Berlin, Heidelberg |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Carbon dioxide Meadow degradation N deposition Nitrous oxide Vegetation restoration Warming Soil Science & Conservation Environment Environmental Physics |
| Content Type | Text |
| Resource Type | Article |
| Subject | Stratigraphy Earth-Surface Processes |
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