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Precipitation changes alter plant dominant species and functional groups by changing soil salinity in a coastal salt marsh

文献类型：期刊论文

作者Song, Jia1,2,3,4,5; Liang, Zhenghao2,3,4,5,6; Li, Xinge2,3,4,5,7; Wang, Xiaojie2,3,4,5; Chu, Xiaojing2,3,4,5; Zhao, Mingliang2,3,4,5; Zhang, Xiaoshuai2,3,4,5; Li, Peiguang2,3,4,5; Song, Weimin2,3,4,5; Huang, Wanxin2,3,4,5
刊名JOURNAL OF ENVIRONMENTAL MANAGEMENT
出版日期2024-09-01
卷号368页码:12
关键词Precipitation changes Soil salinity Plant community composition Plant dominant species Functional group Coastal salt marsh
ISSN号0301-4797
DOI10.1016/j.jenvman.2024.122235
通讯作者Han, Guangxuan(gxhan@yic.ac.cn)
英文摘要Specific mechanisms of precipitation change due to global climate variability on plant communities in coastal salt marsh ecosystems remain unknown. Hence, a field manipulative precipitation experiment was established in 2014 and 5 years of field surveys of vegetation from 2017 to 2021 to explore the effects of precipitation changes on plant community composition. The results showed that changes in plant community composition were driven by dominant species, and that the dominance of key species changed significantly with precipitation gradient and time, and that these changes ultimately altered plant community traits (i.e., community density, height, and species richness). Community height increased but community density decreased with more precipitation averaged five years. Furthermore, changes in precipitation altered dominant species composition and functional groups mainly by influencing soil salinity. Salinity stress caused by decreased precipitation shifted species composition from a dominance of taller perennials and grasses to dwarf annuals and forbs, while the species richness decreased. Conversely, soil desalination caused by increased precipitation increased species richness, especially increasing in the dominance of grasses and perennials. Specifically, Apocynaceae became dominance from rare while Amaranthaceae decreased in response to increased precipitation, but Poaceae was always in a position of dominance. Meanwhile, the dominance of grasses and perennials has the cumulative effect of years and their proportion increased under the increased 60% of ambient precipitation throughout the years. However, the annual forb Suaeda glauca was gradually losing its dominance or even becoming extinct over years. Our study highlights that the differences in plant salinity tolerance are key to the effects of precipitation changes on plant communities in coastal salt marsh. These findings aim to provide a theoretical basis for predicting vegetation dynamics and developing ecological management strategies to adapt to future precipitation changes.
WOS关键词COMMUNITY COMPOSITION ; WATER AVAILABILITY ; TRAITS ; PRODUCTIVITY ; RESPONSES ; NITROGEN ; GROWTH
WOS研究方向Environmental Sciences & Ecology
语种英语
WOS记录号WOS:001298013100001
资助机构Natural Science Foundation of China ; National Key R & D Program of China ; Shandong Province Science Foundation for Youths ; International Science Partnership Program of the Chinese Academy of Sciences
源URL[http://ir.yic.ac.cn/handle/133337/35819]  
专题烟台海岸带研究所_中科院海岸带环境过程与生态修复重点实验室
烟台海岸带研究所_近岸生态与环境实验室
中国科学院黄河三角洲滨海湿地试验站
通讯作者Han, Guangxuan
作者单位1.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
2.Chinese Acad Sci, Yantai Inst Coastal Zone Res YIC, CAS Key Lab Coastal Zone Environm Proc & Ecol Reme, Yantai 264003, Shandong, Peoples R China
3.Chinese Acad Sci, Yellow River Delta Field Observat, Dongying 257500, Shandong, Peoples R China
4.Chinese Acad Sci, Res Stn Coastal Wetland Ecosyst, Dongying 257500, Shandong, Peoples R China
5.Shandong Key Lab Coastal Environm Proc, Yantai 264003, Shandong, Peoples R China
6.Southwest Univ, Coll Resources & Environm, Key Lab Ecoenvironm Three Gorges Reservoir Reg, Minist Educ, Chongqing 400715, Peoples R China
7.Henan Univ, Coll Geog & Environm Sci, Kaifeng 475000, Henan, Peoples R China
推荐引用方式
GB/T 7714		 Song, Jia,Liang, Zhenghao,Li, Xinge,et al. Precipitation changes alter plant dominant species and functional groups by changing soil salinity in a coastal salt marsh[J]. JOURNAL OF ENVIRONMENTAL MANAGEMENT,2024,368:12.
APA Song, Jia.,Liang, Zhenghao.,Li, Xinge.,Wang, Xiaojie.,Chu, Xiaojing.,...&Han, Guangxuan.(2024).Precipitation changes alter plant dominant species and functional groups by changing soil salinity in a coastal salt marsh.JOURNAL OF ENVIRONMENTAL MANAGEMENT,368,12.
MLA Song, Jia,et al."Precipitation changes alter plant dominant species and functional groups by changing soil salinity in a coastal salt marsh".JOURNAL OF ENVIRONMENTAL MANAGEMENT 368(2024):12.

入库方式： OAI收割

来源：烟台海岸带研究所

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