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Congeneric invasive versus native plants utilize similar inorganic nitrogen forms but have disparate use efficiencies
Yu, Hong-Wei; He, Wei-Ming
2021
发表期刊JOURNAL OF PLANT ECOLOGY
ISSN1752-9921
卷号14期号:2页码:180-190
摘要Aims Soil inorganic nitrogen (N) has long been recognized to play an important role in plant invasions. Whilst comparing the N use strategies of multiple invasive versus native plant congeners along an entire N gradient is key to understanding plant invasion success, there are few related studies. Methods We conducted a potted experiment with six invasive and native congeneric pairs, which were subjected to 11 nitrate/ammonium (NO3-/NH4+) ratios (i.e. 100% NO3- at one end and 100% NH4+ at the other end), each with low- and high-N levels. Each species-N combination was replicated eight times, and thus there were 2112 pots in total. We measured the following traits: the total biomass, growth advantage, biomass allocation, leaf chlorophyll content and low-N tolerance. Important Findings Invasive and native congeners grew well at any NO3-/NH4+ ratios, and their responses of growth, allocation and tolerance were approximately parallel along the 11 NO3-/NH4+ ratios across two N levels. Plant invaders grew larger and had greater chlorophyll contents, higher root biomass allocation and stronger low-N tolerance than their congeneric natives. These findings suggest that invasive and native plant congeners may utilize similar inorganic N forms (i.e. NO3- and NH4+) across an entire N composition gradient and that higher N use efficiencies could favor alien plants to invade new plant communities where congeneric natives are dominants.
关键词biomass allocation chlorophyll content low-N tolerance N use efficiency plant invasiveness
学科领域Plant Sciences ; Ecology ; Forestry
DOI10.1093/jpe/rtaa085
收录类别SCI
语种英语
WOS关键词PHENOTYPIC PLASTICITY ; TRAIT DIFFERENCES ; NITRATE ; ALLOCATION ; PREFERENCE ; TOLERANCE ; NUTRITION ; FRAMEWORK ; GROWTH ; DIFFER
WOS研究方向Science Citation Index Expanded (SCI-EXPANDED)
WOS记录号WOS:000637313200001
出版者OXFORD UNIV PRESS
文献子类Article
出版地OXFORD
EISSN1752-993X
资助机构Ministry of Science and Technology of the People's Republic of China [2017YFC1200102] ; National Natural Science Foundation of China [31971552]
作者邮箱weiminghe@ibcas.ac.cn
作品OA属性hybrid
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被引频次:15[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ibcas.ac.cn/handle/2S10CLM1/26373
专题植被与环境变化国家重点实验室
作者单位1.[Yu, Hong-Wei
2.Chinese Acad Sci, Inst Bot, State Key Lab Vegetat & Environm Change, Beijing 100093, Peoples R China
3.Univ Chinese Acad Sci, Coll Resources & Environm, Beijing 100049, Peoples R China
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Yu, Hong-Wei,He, Wei-Ming. Congeneric invasive versus native plants utilize similar inorganic nitrogen forms but have disparate use efficiencies[J]. JOURNAL OF PLANT ECOLOGY,2021,14(2):180-190.
APA Yu, Hong-Wei,&He, Wei-Ming.(2021).Congeneric invasive versus native plants utilize similar inorganic nitrogen forms but have disparate use efficiencies.JOURNAL OF PLANT ECOLOGY,14(2),180-190.
MLA Yu, Hong-Wei,et al."Congeneric invasive versus native plants utilize similar inorganic nitrogen forms but have disparate use efficiencies".JOURNAL OF PLANT ECOLOGY 14.2(2021):180-190.
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