CO 2 enrichment accelerates alpine plant growth via increasing water-use efficiency
文献类型：期刊论文
| 作者 | Xia, Jingyu3,4; Zhang, Yangjian4; Zhao, Guang4; Zheng, Zhoutao4; Zhu, Yixuan4; Chen, Yao2; Gao, Jie4; Zhang, Yuxue1; Sun, Osbert Jianxin3; Zhu, Juntao4 |
| 刊名 | AGRICULTURAL AND FOREST METEOROLOGY
 |
| 出版日期 | 2024-06-01 |
| 卷号 | 352页码:110036 |
| 关键词 | Plant phenology Alpine plant CO 2 enrichment Water -use efficiency Tibetan plateau |
| DOI | 10.1016/j.agrformet.2024.110036 |
| 产权排序 | 1 |
| 文献子类 | Article |
| 英文摘要 | Phenological changes in global vegetation are often attributed to climate warming. However, climate warming and elevated atmospheric CO 2 concentration ( e CO 2 ) are two co-occurring global change factors, and how e CO 2 would affect vegetation phenology has received less attention. The partial pressure of atmospheric CO 2 on the Tibetan Plateau (TP) is lower than that in regions of lower altitudes. Consequently, the growth and phenology of alpine plants in this region could be more sensitive to e CO 2 , but this hypothesis is not yet supported by empirical evidence. Here we explored the effect of e CO 2 on plant phenology (including phenophases of green -up, budding, and flowering) through a 5 -year field manipulation experiment in a high -altitude (4600 m above sea level) alpine grassland on the TP. Our results showed that e CO 2 significantly advanced the spring phenology of an earlyflowering species ( Kobresia pygmaea ), while it had no impact on the phenology of two mid -flowering species ( Potentilla saundersiana and Potentilla cuneata ). Compared to other low -altitude regions, plant phenology on the TP underwent greater alterations under e CO 2 , which supports our hypothesis that the growth of high -altitude plants is more sensitive to e CO 2 . Furthermore, we found that e CO 2 significantly reduced the overlapping of flowering between contrasting plant species, mainly due to the phenological advancement of the K. pygmaea induced by e CO 2 . The observed advancement of the spring phenology in K. pygmaea under e CO 2 was associated with increasing ecosystem water -use efficiency (WUE), thereby advancing its subsequent phenological development, such as budding and flowering. Our findings provide experimental evidence that atmospheric CO 2 enrichment can accelerate plant growth processes in high -altitude regions, and suggest that large-scale model simulations should consider the effects of elevated atmospheric CO 2 concentration on plant growth and phenology. |
| WOS关键词 | FREE-AIR CO2 ; CLIMATE-CHANGE ; ELEVATED CO2 ; FLOWERING PHENOLOGY ; RESPONSES ; GRASSLAND ; WINTER |
| WOS研究方向 | Agriculture ; Forestry ; Meteorology & Atmospheric Sciences |
| WOS记录号 | WOS:001236650700001 |
| 出版者 | ELSEVIER |
| 源URL | [http://ir.igsnrr.ac.cn/handle/311030/205343]  |
| 专题 | 生态系统网络观测与模拟院重点实验室_外文论文 |
| 通讯作者 | Zhu, Juntao |
| 作者单位 | 1.Hebei Univ, Sch Life Sci, Baoding 071002, Peoples R China 2.Henan Univ, Sch Life Sci, Int Joint Res Lab Global Change Ecol, Kaifeng 475004, Henan, Peoples R China 3.Beijing Forestry Univ, Sch Ecol & Nat Conservat, Beijing 100083, Peoples R China 4.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Ecosyst Network Observat & Modeling, Beijing 100101, Peoples R China |
| 推荐引用方式 GB/T 7714 | Xia, Jingyu,Zhang, Yangjian,Zhao, Guang,et al. CO 2 enrichment accelerates alpine plant growth via increasing water-use efficiency[J]. AGRICULTURAL AND FOREST METEOROLOGY,2024,352:110036. |
| APA | Xia, Jingyu.,Zhang, Yangjian.,Zhao, Guang.,Zheng, Zhoutao.,Zhu, Yixuan.,...&Zhu, Juntao.(2024).CO 2 enrichment accelerates alpine plant growth via increasing water-use efficiency.AGRICULTURAL AND FOREST METEOROLOGY,352,110036. |
| MLA | Xia, Jingyu,et al."CO 2 enrichment accelerates alpine plant growth via increasing water-use efficiency".AGRICULTURAL AND FOREST METEOROLOGY 352(2024):110036. |
入库方式： OAI收割
来源：地理科学与资源研究所
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