Impacts of nitrogen and phosphorus additions on the abundance and community structure of ammonia oxidizers and denitrifying bacteria in Chinese fir plantations
Tang, YC; Zhang, XY; Li, DD; Wang, HM; Chen, FS; Fu, XL; Fang, XM; Sun, XM; Yu, GR
2016
Source PublicationSOIL BIOLOGY & BIOCHEMISTRY
ISSN0038-0717
Volume103Pages:284-293
AbstractNitrogen (N) cycling in forest ecosystems has been extensively studied over the past decade. However, even with this concentrated research effort, we still do not have a comprehensive understanding of how N-cycling microbial communities in subtropical plantations respond to N and phosphorus (P) additions. We designed an on-going fertilization experiment in which varying amounts of N or/and P were added to forest soil so that the effects of N and P applications on the abundances and community structures of nitrifying and denitrifying microbes in Chinese fir plantations in subtropical China could be explored using quantitative real time PCR (qPCR) and high-throughput sequencing methods. The results showed that most N-cycle functional genes responded differently to N or/and P additions depending on the type and amount of nutrients added. Ammonia oxidizing archaea (AOA) were more abundant and active than ammonia oxidizing bacteria (AOB) in all treatments. While the abundances of nirK and nirS decreased under the high N applications, the abundances of narG increased. With the exception of AOB amoA and nirS, the abundances of all the functional genes were strongly and positively correlated with the concentrations of soil available P (AP) and negatively correlated with the ratio of available N to AP, which suggested that P had an important influence on the abundances of N-cycling microbes in these forest ecosystems. Shifts in communities of both AOA and nirK-type bacteria were driven by combined application of N and P, with group I.1a-associated and Rhizobiales as the most relatively abundant groups, respectively. (C) 2016 Elsevier Ltd. All rights reserved.
SubtypeJournal
KeywordNitrogen and phosphorus additions Nitrogen-cycle functional genes Abundance Community structure Chinese fir plantation
Subject AreaAgriculture
WOS Subject ExtendedSoil Science
WOS KeywordMICROBIAL FUNCTIONAL GENES ; LONG-TERM FERTILIZATION ; TEMPERATE GRASSLAND ; FOREST ECOSYSTEMS ; SUBTROPICAL CHINA ; ENZYME-ACTIVITIES ; NORTHERN CHINA ; ACIDIC SOILS ; PADDY SOIL ; ARCHAEA
Indexed BySCI
Language英语
WOS IDWOS:000388775400028
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/44149
Collection生态系统网络观测与模拟院重点实验室_生态网络实验室
Recommended Citation
GB/T 7714
Tang, YC,Zhang, XY,Li, DD,et al. Impacts of nitrogen and phosphorus additions on the abundance and community structure of ammonia oxidizers and denitrifying bacteria in Chinese fir plantations[J]. SOIL BIOLOGY & BIOCHEMISTRY,2016,103:284-293.
APA Tang, YC.,Zhang, XY.,Li, DD.,Wang, HM.,Chen, FS.,...&Yu, GR.(2016).Impacts of nitrogen and phosphorus additions on the abundance and community structure of ammonia oxidizers and denitrifying bacteria in Chinese fir plantations.SOIL BIOLOGY & BIOCHEMISTRY,103,284-293.
MLA Tang, YC,et al."Impacts of nitrogen and phosphorus additions on the abundance and community structure of ammonia oxidizers and denitrifying bacteria in Chinese fir plantations".SOIL BIOLOGY & BIOCHEMISTRY 103(2016):284-293.
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