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Linking reliance on deep soil water to resource economy strategies and abundance among coexisting understorey shrub species in subtropical pine plantations
Jiang, Peipei1,2; Wang, Huimin1,2,3; Meinzer, Frederick C.4; Kou, Liang1,2,3; Dai, Xiaoqin1,2,3; Fu, Xiaoli1,2,3
2019-07-29
Source PublicationNEW PHYTOLOGIST
ISSN0028-646X
Pages12
Corresponding AuthorFu, Xiaoli(fuxl@igsnrr.ac.cn)
AbstractStrategies for deep soil water acquisition (WA(deep)) are critical to a species' adaptation to drought. However, it is unknown how WA(deep) determines the abundance and resource economy strategies of understorey shrub species. With data from 13 understorey shrub species in subtropical coniferous plantations, we investigated associations between the magnitude of WA(deep), the seasonal plasticity of WA(deep), midday leaf water potential (psi(md)), species abundance and resource economic traits across organs. Higher capacity for WA(deep) was associated with higher intrinsic water use efficiency, but was not necessary for maintaining higher psi(md) in the dry season nor was it an ubiquitous trait possessed by the most common shrub species. Species with higher seasonal plasticity of WA(deep) had lower wood density, indicating that fast species had higher plasticity in deep soil resource acquisition. However, the magnitude and plasticity of WA(deep) were not related to shallow fine root economy traits, suggesting independent dimensions of soil resource acquisition between deep and shallow soil. Our results provide new insights into the mechanisms through which the magnitude and plasticity of WA(deep) interact with shallow soil and aboveground resource acquisition traits to integrate the whole-plant economic spectrum and, thus, community assembly processes.
Keyworddeep soil water source leaf water potential oxygen stable isotopes root diameter water-use efficiency wood density
DOI10.1111/nph.16027
WOS KeywordNUTRIENT FORAGING STRATEGIES ; ROOT TRAITS ; SEASONAL-VARIATIONS ; STABLE-ISOTOPES ; HYDRAULIC ARCHITECTURE ; LEADING DIMENSIONS ; FUNCTIONAL TRAIT ; LEAF ECONOMICS ; RAIN-FOREST ; GROWTH-RATE
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[41671224] ; National Natural Science Foundation of China[31730014]
Funding OrganizationNational Natural Science Foundation of China
WOS Research AreaPlant Sciences
WOS SubjectPlant Sciences
WOS IDWOS:000478147100001
PublisherWILEY
Citation statistics
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/58321
Collection中国科学院地理科学与资源研究所
Corresponding AuthorFu, Xiaoli
Affiliation1.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Ecosyst Network Observat & Modeling, Qianyanzhou Ecol Res Stn, Beijing 100101, Peoples R China
2.Univ Chinese Acad Sci, Coll Resources & Environm, Beijing 100190, Peoples R China
3.Zhongke Jian Inst Ecoenvironm Sci, Jian 343000, Jiangxi, Peoples R China
4.US Forest Serv, USDA, Pacific Northwest Res Stn, 3200 SW Jefferson Way, Corvallis, OR 97331 USA
Recommended Citation
GB/T 7714
Jiang, Peipei,Wang, Huimin,Meinzer, Frederick C.,et al. Linking reliance on deep soil water to resource economy strategies and abundance among coexisting understorey shrub species in subtropical pine plantations[J]. NEW PHYTOLOGIST,2019:12.
APA Jiang, Peipei,Wang, Huimin,Meinzer, Frederick C.,Kou, Liang,Dai, Xiaoqin,&Fu, Xiaoli.(2019).Linking reliance on deep soil water to resource economy strategies and abundance among coexisting understorey shrub species in subtropical pine plantations.NEW PHYTOLOGIST,12.
MLA Jiang, Peipei,et al."Linking reliance on deep soil water to resource economy strategies and abundance among coexisting understorey shrub species in subtropical pine plantations".NEW PHYTOLOGIST (2019):12.
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