globalchange  > 影响、适应和脆弱性
DOI: 10.1111/gcb.13384
论文题名:
Plant invasion is associated with higher plant–soil nutrient concentrations in nutrient-poor environments
作者: Sardans J.; Bartrons M.; Margalef O.; Gargallo-Garriga A.; Janssens I.A.; Ciais P.; Obersteiner M.; Sigurdsson B.D.; Chen H.Y.H.; Peñuelas J.
刊名: Global Change Biology
ISSN: 13541013
出版年: 2017
卷: 23, 期:3
起始页码: 1282
结束页码: 1291
语种: 英语
英文关键词: C : N ; nitrogen ; N : P ; phosphorus ; potassium ; soil fertility
英文摘要: Plant invasion is an emerging driver of global change worldwide. We aimed to disentangle its impacts on plant–soil nutrient concentrations. We conducted a meta-analysis of 215 peer-reviewed articles and 1233 observations. Invasive plant species had globally higher N and P concentrations in photosynthetic tissues but not in foliar litter, in comparison with their native competitors. Invasive plants were also associated with higher soil C and N stocks and N, P, and K availabilities. The differences in N and P concentrations in photosynthetic tissues and in soil total C and N, soil N, P, and K availabilities between invasive and native species decreased when the environment was richer in nutrient resources. The results thus suggested higher nutrient resorption efficiencies in invasive than in native species in nutrient-poor environments. There were differences in soil total N concentrations but not in total P concentrations, indicating that the differences associated to invasive plants were related with biological processes, not with geochemical processes. The results suggest that invasiveness is not only a driver of changes in ecosystem species composition but that it is also associated with significant changes in plant–soil elemental composition and stoichiometry. © 2016 John Wiley & Sons Ltd
资助项目: The authors would like to acknowledge the financial support from the European Research Council Synergy grant ERC-SyG-2013-610028 IMBALANCE-P, the Spanish Government grant CGL2013-48074-P, and the Catalan Government grant SGR 2014-274.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/61048
Appears in Collections:影响、适应和脆弱性

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作者单位: Global Ecology Unit CREAF-CEAB-UAB, CSIC, Cerdanyola del Vallès, Catalonia, Spain; CREAF, Cerdanyola del Vallès, Catalonia, Spain; BETA Technological Centre (Tecnio), Aquatic Ecology Group, University of Vic–Central University of Catalonia, Catalonia, Vic, Spain; Research Group of Plant and Vegetation Ecology (PLECO), Department of Biology, University of Antwerp, Wilrijk, Belgium; Laboratoire des Sciences du Climat et de l'Environnement, IPSL, Gif-sur-Yvette, France; International Institute for Applied Systems Analysis (IIASA), Ecosystems Services and Management, Schlossplatz 1, Laxenburg, Austria; Agricultural University of Iceland, Hvanneyru, Borgarnes, Iceland; Faculty of Natural Resources Management, Lakehead University, 955 Oliver Road, Thunder Bay, ON, Canada

Recommended Citation:
Sardans J.,Bartrons M.,Margalef O.,et al. Plant invasion is associated with higher plant–soil nutrient concentrations in nutrient-poor environments[J]. Global Change Biology,2017-01-01,23(3)
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