Species diversity advances autumn senescence via enhanced belowground carbon allocation in semi-arid grasslands
文献类型：期刊论文
| 作者 | Cheng, Huan1,4; Qiao, Yuxin2,3,8,9; Zhu, Huazhong2; Zhu, Yunqiang7; Jia, Qianru6; Yang, Yuchuan1,4; Zhong, Huaping2; Zohner, Constantin M.5; Liu, Jianquan1,3,4 |
| 刊名 | COMMUNICATIONS EARTH & ENVIRONMENT
 |
| 出版日期 | 2025-12-30 |
| 卷号 | 7期号:1页码:128 |
| DOI | 10.1038/s43247-025-03109-z |
| 产权排序 | 4 |
| 文献子类 | Article |
| 英文摘要 | The timing of leaf senescence critically shapes ecosystem dynamics by regulating plant productivity and nutrient cycling. While species diversity is recognized as a key driver of ecosystem functioning, its effect on autumn senescence remains poorly understood. To address this gap, here we integrated field observations from Northern China and global remote sensing data to investigate grassland autumn senescence. Our analyses reveal that higher species diversity accelerates autumn senescence, even after controlling for climate and soil factors. Mechanistically, this relationship is mediated by resource allocation strategies: enhanced species diversity promotes the allocation of resources to belowground biomass, thereby reducing aboveground resource availability and triggering earlier senescence. Our findings highlight a negative relationship between species diversity and the timing of autumn senescence in semi-arid grasslands, which facilitates increased carbon allocation to belowground compartments and accelerates the seasonal carbon cycle, offering critical insights into global carbon flux exchange under future climate warming. |
| URL标识 | 查看原文 |
| WOS关键词 | BIOMASS ALLOCATION ; BIODIVERSITY LOSS ; PRODUCTIVITY ; PHENOLOGY ; PATTERNS ; TIME |
| WOS研究方向 | Environmental Sciences & Ecology ; Geology ; Meteorology & Atmospheric Sciences |
| 语种 | 英语 |
| WOS记录号 | WOS:001681482800001 |
| 出版者 | SPRINGERNATURE |
| 源URL | [http://ir.igsnrr.ac.cn/handle/311030/221065]  |
| 专题 | 陆地表层格局与模拟院重点实验室_外文论文 |
| 通讯作者 | Qiao, Yuxin |
| 作者单位 | 1.Sichuan Univ, Coll Life Sci, Key Lab Bioresources & Ecoenvironm, Chengdu, Peoples R China; 2.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Land Surface Pattern & Simulat, Beijing, Peoples R China; 3.Lanzhou Univ, Coll Ecol, State Key Lab Herbage Innovat & Grassland Agroecos, Lanzhou, Peoples R China; 4.Sichuan Univ, Coll Life Sci, Sichuan Zoige Alpine Wetland Ecosyst Natl Observat, Chengdu, Peoples R China; 5.ETH Zurich Swiss Fed Inst Technol, Inst Integrat Biol, Univ Str 16, Zurich, Switzerland 6.Inner Mongolia Univ, Coll Life Sci, Hohhot, Inner Mongolia, Peoples R China; 7.Hainan Univ, Coll Ecol, Hainan 570228, Hainan, Peoples R China; 8.Univ Cambridge, Ctr Global Wood Secur, Cambridge, England; 9.Univ Cambridge, Dept Plant Sci, Cambridge, England; |
| 推荐引用方式 GB/T 7714 | Cheng, Huan,Qiao, Yuxin,Zhu, Huazhong,et al. Species diversity advances autumn senescence via enhanced belowground carbon allocation in semi-arid grasslands[J]. COMMUNICATIONS EARTH & ENVIRONMENT,2025,7(1):128. |
| APA | Cheng, Huan.,Qiao, Yuxin.,Zhu, Huazhong.,Zhu, Yunqiang.,Jia, Qianru.,...&Liu, Jianquan.(2025).Species diversity advances autumn senescence via enhanced belowground carbon allocation in semi-arid grasslands.COMMUNICATIONS EARTH & ENVIRONMENT,7(1),128. |
| MLA | Cheng, Huan,et al."Species diversity advances autumn senescence via enhanced belowground carbon allocation in semi-arid grasslands".COMMUNICATIONS EARTH & ENVIRONMENT 7.1(2025):128. |
入库方式： OAI收割
来源：地理科学与资源研究所
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