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pH drives ammonia oxidizing bacteria rather than archaea thereby stimulate nitrification under Ageratina adenophora colonization
Xiao, Haifeng; Schaefer, Douglas A.; Yang, Xiaodong; Xiao, HF (reprint author), Chinese Acad Sci, Xishuangbanna Trop Bot Garden, Key Lab Trop Forest Ecol, Mengla, Yunnan, Peoples R China.
2017
Source PublicationSOIL BIOLOGY & BIOCHEMISTRY
ISSN0038-0717
Volume114Issue:xPages:12-19
AbstractUnderstanding mechanisms of successful colonization by exotic plant species in non-native habitat is critical to meet long-term restoration aims. Overgrowing plants can alter resources, especially soil inorganic nitrogen availability and get benefits from positive feedback. However, comprehensive knowledge on particular mechanisms underlying their successful colonization remains unclear. Here, field examinations and laboratory manipulations were combined to investigate significant impact of overgrowing Ageratina adenophora on soil NO3-N availability and nitrification. Interestingly, we found significant enhancement in soil total N, NO3--N, pH, potential nitrification rates, and ammonia oxidizing bacteria (AOB), while reduced abundance of ammonia oxidizing archaea (AOA) under the influence of A. adenophora. Notably, AOB abundance was positively correlated with both pH and soil potential nitrification rates. AOA abundance was negatively correlated with pH and had no significant correlation with soil nitrification potential. Both AOA and AOB communities significantly differed between populated and non-populated soils. pH was the strongest factor contributing to this community difference. We conclude that A. adenophora stimulates nitrification with the help of AOB rather than AOA under relatively higher soil pH condition. (C) 2017 Elsevier Ltd. All rights reserved.
Department其他
KeywordAgeratina Adenophora Nitrification Soil Ph Ammonia Oxidizing Bacteria Ammonia Oxidizing Archaea
Language英语
Document Type期刊论文
Identifierhttp://ir.xtbg.org.cn/handle/353005/10667
Collection土壤生态组
Corresponding AuthorXiao, HF (reprint author), Chinese Acad Sci, Xishuangbanna Trop Bot Garden, Key Lab Trop Forest Ecol, Mengla, Yunnan, Peoples R China.
Recommended Citation
GB/T 7714
Xiao, Haifeng,Schaefer, Douglas A.,Yang, Xiaodong,et al. pH drives ammonia oxidizing bacteria rather than archaea thereby stimulate nitrification under Ageratina adenophora colonization[J]. SOIL BIOLOGY & BIOCHEMISTRY,2017,114(x):12-19.
APA Xiao, Haifeng,Schaefer, Douglas A.,Yang, Xiaodong,&Xiao, HF .(2017).pH drives ammonia oxidizing bacteria rather than archaea thereby stimulate nitrification under Ageratina adenophora colonization.SOIL BIOLOGY & BIOCHEMISTRY,114(x),12-19.
MLA Xiao, Haifeng,et al."pH drives ammonia oxidizing bacteria rather than archaea thereby stimulate nitrification under Ageratina adenophora colonization".SOIL BIOLOGY & BIOCHEMISTRY 114.x(2017):12-19.
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