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Response of microbial community and net nitrogen turn(o)ver to modify climate change in Alpine meadow
Wang, Nannan1; Wang, Changhui; Dannenmann, Michael; Butterbach-Bahl, Klaus; Huang, Jianhui1
AbstractIn order to investigate the effect of climate change on the functional role of microbial community, we studied links between microbial community structure and the net ammonification and nitrification rates in a space for time climate change experiment. Abundance of bacteria and fungi as well as the induced climate change effects varied with seasons. The highest PLFA concentrations were found in frozen soils of the climate change treatment in which organic carbon (C) and nitrogen (N) substrates accumulated. It indicated that frozen soil can be the hot moment for soil microbial community. We found that climate change significantly increased total PLFA concentrations while decrease F:B ratio in July. It suggested that climate change could increase growth of bacteria more than that of fungi, and thus changed the soil microbial community structure. On the other hand, net N turnover itself was largely negative (i.e. illustrating net immobilization and the high N retention capacity). Since the ability of net rates of N turnover to predict plant N availability is relying on the (invalid) assumption that plants poorly compete for mineral N against soil microbes, this might be related to the strong plant-soil-microbe carbon-nitrogen interactions in the investigated soil, and unfortunately climate change would enhance the interaction. Therefore, net N mineralization has its limitation to deeply study the microbial N turnover in N biogeochemistry cycles.
KeywordGlobal change Grassland Microbial community Nitrogen mineralization Nitrification
Subject AreaSoil Science
Indexed BySCI
WOS Research AreaAgriculture
WOS IDWOS:000529336600009
Publication PlaceAMSTERDAM
Funding OrganizationChinese National Key Research and Development Program for Basic Research [2017YFA0604802, 2016YFC0500703] ; National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [41573063, 31572452] ; Helmholtz Centre for Environmental Research TERENO initiative ; SUSALPS project - BMBF through the BonaRes initiative
Corresponding Author Emailwangch@ibcas.ac.cn
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Cited Times:6[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Affiliation1.Chinese Acad Sci, Inst Bot, State Key Lab Vegetat & Environm Change, Beijing 100093, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Karlsruhe Inst Technol KIT, Atmospher Environm Res IMK IFU, Inst Meteorol & Climate Res, D-82467 Garmisch Partenkirchen, Germany
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GB/T 7714
Wang, Nannan,Wang, Changhui,Dannenmann, Michael,et al. Response of microbial community and net nitrogen turn(o)ver to modify climate change in Alpine meadow[J]. APPLIED SOIL ECOLOGY,2020,152.
APA Wang, Nannan,Wang, Changhui,Dannenmann, Michael,Butterbach-Bahl, Klaus,&Huang, Jianhui.(2020).Response of microbial community and net nitrogen turn(o)ver to modify climate change in Alpine meadow.APPLIED SOIL ECOLOGY,152.
MLA Wang, Nannan,et al."Response of microbial community and net nitrogen turn(o)ver to modify climate change in Alpine meadow".APPLIED SOIL ECOLOGY 152(2020).
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