Contrasting response of coexisting plant's water-use patterns to experimental precipitation manipulation in an alpine grassland community of Qinghai Lake watershed, China
Wu, Huawu1,2,3; Li, Jing4; Li, Xiao-Yan5,6; He, Bin1,2; Liu, Jinzhao7; Jiang, Zhiyun8; Zhang, Cicheng4
2018-04-20
发表期刊PLOS ONE
卷号13期号:4
文章类型Article
摘要Understanding species-specific changes in water-use patterns under recent climate scenarios is necessary to predict accurately the responses of seasonally dry ecosystems to future climate. In this study, we conducted a precipitation manipulation experiment to investigate the changes in water-use patterns of two coexisting species (Achnatherum splendens and Allium tanguticum) to alterations in soil water content (SWC) resulting from increased and decreased rainfall treatments. The results showed that the leaf water potential (Psi) of A. splendens and A. tanguticum responded to changes in shallow and middle SWC at both the control and treatment plots. However, A. splendens proportionally extracted water from the shallow soil layer (0-10cm) when it was available but shifted to absorbing deep soil water (30-60 cm) during drought. By contrast, the A. tanguticum did not differ significantly in uptake depth between treatment and control plots but entirely depended on water from shallow soil layers. The flexible water-use patterns of A. splendens may be a key factor facilitating its dominance and it better acclimates the recent climate change in the alpine grassland community around Qinghai Lake.
WOS标题词Science & Technology
DOI10.1371/journal.pone.0194242
关键词[WOS]COLORADO PLATEAU ; SOIL-WATER ; SUMMER PRECIPITATION ; WINTER DROUGHT ; GREAT-BASIN ; DEPTH ; ECOSYSTEMS ; WOODLANDS ; SYSTEMS ; SHRUBS
收录类别SCI
语种英语
WOS研究方向Science & Technology - Other Topics
WOS类目Multidisciplinary Sciences
WOS记录号WOS:000430638900005
引用统计
文献类型期刊论文
条目标识符http://ir.ieecas.cn/handle/361006/5170
专题黄土与第四纪地质国家重点实验室(2010~)
作者单位1.Chinese Acad Sci, Nanjing Inst Geog & Limnol, Key Lab Watershed Geog Sci, Nanjing, Jiangsu, Peoples R China
2.Chinese Acad Sci, Nanjing Inst Geog & Limnol, Nanjing, Jiangsu, Peoples R China
3.Gansu Agr Univ, Minist Educ, Key Lab Grassland Ecosyst, Lanzhou, Gansu, Peoples R China
4.Jiujiang Coll, Tourism Sch, Jiujiang, Peoples R China
5.Beijing Normal Univ, State Key Lab Earth Surface Proc & Resource Ecol, Beijing, Peoples R China
6.Beijing Normal Univ, Fac Geog Sci, Sch Nat Resources, Beijing, Peoples R China
7.Chinese Acad Sci, Inst Earth Environm, State Key Lab Loess & Quaternary Geol, Xian, Shaanxi, Peoples R China
8.South China Normal Univ, Sch Geog, Guangzhou, Guangdong, Peoples R China
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Wu, Huawu,Li, Jing,Li, Xiao-Yan,et al. Contrasting response of coexisting plant's water-use patterns to experimental precipitation manipulation in an alpine grassland community of Qinghai Lake watershed, China[J]. PLOS ONE,2018,13(4).
APA Wu, Huawu.,Li, Jing.,Li, Xiao-Yan.,He, Bin.,Liu, Jinzhao.,...&Zhang, Cicheng.(2018).Contrasting response of coexisting plant's water-use patterns to experimental precipitation manipulation in an alpine grassland community of Qinghai Lake watershed, China.PLOS ONE,13(4).
MLA Wu, Huawu,et al."Contrasting response of coexisting plant's water-use patterns to experimental precipitation manipulation in an alpine grassland community of Qinghai Lake watershed, China".PLOS ONE 13.4(2018).
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