Plant-plant interactions vary greatly along a flooding gradient in a dam-induced riparian habitat
文献类型：期刊论文
| 作者 | Ying, Liu3; Yanfeng, Wang4; Wenzhou, Wu3; Zhi, Ding1,5; Maohua, Ma3; Ping, Huang3; Shengjun, Wu3; Yanjing, Lou2 |
| 刊名 | FRONTIERS IN PLANT SCIENCE
 |
| 出版日期 | 2023-11-24 |
| 卷号 | 14页码:11 |
| 关键词 | interspecific relationships stress gradient hypothesis functional traits water fluctuation reservoir riparian zone Bermuda grass |
| ISSN号 | 1664-462X |
| DOI | 10.3389/fpls.2023.1290776 |
| 通讯作者 | Zhi, Ding(dingzhi11@mails.ucas.ac.cn) |
| 英文摘要 | Plant-plant interactions under extreme environmental stress are still controversial. The stress gradient hypothesis (SGH) proposes that facilitation prevails under extreme environmental stresses, while an alternative view states that facilitation collapses or even switches back to competition at the extreme end of stress gradients. However, how the relationship between plant-plant interaction and periodic extreme flooding stress varies and its underlying mechanism are still unclear in a dam-regulated riparian ecosystem. We established a controlled experiment using two dominant species pairs (Cynodon dactylon-Cyperus rotundus and C. dactylon-Xanthium sibiricum) in the water level fluctuating zone of the Three Gorges Dam to examine their growth responses to the periodic extreme flooding stress. The results showed that as flooding stress increased, the competitive effect of C. dactylon on X. sibiricum shifted to facilitation, whereas the effect of X. sibiricum on C. dactylon maintained a strong inhibition. The plant height of X. sibiricum was the most important driver of the interaction between X. sibiricum and C. dactylon along the flooding gradient. The net effect of C. dactylon on C. rotundus shifted from neutral to negative, and the inhibitory effect of C. rotundus on C. dactylon became stronger at the extreme end of flooding stress. The root biomass of the two species was the key trait regulating their interaction with increasing flooding stress. Overall, the SGH was partially supported along our periodic extreme flooding stress gradient. Aboveground resource (light) might be the dominant factor driving the response of the interaction between annual plants and perennial clonal plants to periodic flooding stress, whereas belowground resource (water and nutrients) was probably the dominant factor for perennial clonal plants. Our study will help to further understand the environmental responses of plant-plant relationships and their regulatory mechanism, and the succession of riparian plant communities under extreme environmental changes, providing a basic theoretical basis and data support for the ecological restoration and management of riparian wetland vegetation. |
| WOS关键词 | POSITIVE SPECIES INTERACTIONS ; STRESS ; FACILITATION ; DIVERSITY ; HYPOTHESIS ; COMMUNITY ; BIOMASS ; TRAITS ; COMPETITION ; SHIFTS |
| 资助项目 | National Natural Science Foundation of China10.13039/501100001809 |
| WOS研究方向 | Plant Sciences |
| 语种 | 英语 |
| WOS记录号 | WOS:001116315000001 |
| 出版者 | FRONTIERS MEDIA SA |
| 资助机构 | National Natural Science Foundation of China10.13039/501100001809 |
| 源URL | [http://ir.igsnrr.ac.cn/handle/311030/200334]  |
| 专题 | 中国科学院地理科学与资源研究所 |
| 通讯作者 | Zhi, Ding |
| 作者单位 | 1.Chinese Acad Sci, State Key Lab Resources & Environm Informat Syst, Inst Geog Sci & Nat Resources Res, Beijing, Peoples R China 2.Chinese Acad Sci, Northeast Inst Geog & Agroecol, Key Lab Wetland Ecol & Environm, Changchun, Peoples R China 3.Chinese Acad Sci, Chongqing Inst Green & Intelligent Technol, Gorges Inst Ecol Environm 3, Chongqing, Peoples R China 4.Chongqing Business Vocat Coll, Inst Tourism & Culture, Chongqing, Peoples R China 5.Southwest Univ, Chongqing Engn Res Ctr Remote Sensing Big Data App, Sch Geog Sci, Chongqing, Peoples R China |
| 推荐引用方式 GB/T 7714 | Ying, Liu,Yanfeng, Wang,Wenzhou, Wu,et al. Plant-plant interactions vary greatly along a flooding gradient in a dam-induced riparian habitat[J]. FRONTIERS IN PLANT SCIENCE,2023,14:11. |
| APA | Ying, Liu.,Yanfeng, Wang.,Wenzhou, Wu.,Zhi, Ding.,Maohua, Ma.,...&Yanjing, Lou.(2023).Plant-plant interactions vary greatly along a flooding gradient in a dam-induced riparian habitat.FRONTIERS IN PLANT SCIENCE,14,11. |
| MLA | Ying, Liu,et al."Plant-plant interactions vary greatly along a flooding gradient in a dam-induced riparian habitat".FRONTIERS IN PLANT SCIENCE 14(2023):11. |
入库方式： OAI收割
来源：地理科学与资源研究所
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