Soil nitrogen transformation responses to seasonal precipitation changes are regulated by changes in functional microbial abundance in a subtropical forest
Center for Ecological and Environmental Sciences, South China
Botanical Garden, Chinese Academy of Sciences, 723 Xinke Rd. Tianhe
District, Guangzhou 510650, PR China
University of Chinese Academy of Sciences, 19A Yuquan Road,
Shijingshan District, Beijing 100049, PR China
Department of Soil Science of Temperate Ecosystems, University of
Göttingen, Büsgenweg 2, 37077 Göttingen, Germany
Guoliang Xiao
Center for Ecological and Environmental Sciences, South China
Botanical Garden, Chinese Academy of Sciences, 723 Xinke Rd. Tianhe
District, Guangzhou 510650, PR China
University of Chinese Academy of Sciences, 19A Yuquan Road,
Shijingshan District, Beijing 100049, PR China
Department of Soil Science of Temperate Ecosystems, University of
Göttingen, Büsgenweg 2, 37077 Göttingen, Germany
Department of Agricultural Soil Science, University of
Göttingen, Büsgenweg 2, 37077 Göttingen, Germany
G. Darrel Jenerette
Department of Botany and Plant Sciences, Center for Conservation
Biology, University of California Riverside, Riverside, CA92521, USA
Ying Ma
Center for Ecological and Environmental Sciences, South China
Botanical Garden, Chinese Academy of Sciences, 723 Xinke Rd. Tianhe
District, Guangzhou 510650, PR China
University of Chinese Academy of Sciences, 19A Yuquan Road,
Shijingshan District, Beijing 100049, PR China
Wei Liu
Center for Ecological and Environmental Sciences, South China
Botanical Garden, Chinese Academy of Sciences, 723 Xinke Rd. Tianhe
District, Guangzhou 510650, PR China
Zhengfeng Wang
Center for Ecological and Environmental Sciences, South China
Botanical Garden, Chinese Academy of Sciences, 723 Xinke Rd. Tianhe
District, Guangzhou 510650, PR China
Center for Ecological and Environmental Sciences, South China
Botanical Garden, Chinese Academy of Sciences, 723 Xinke Rd. Tianhe
District, Guangzhou 510650, PR China
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We conducted a field manipulation experiment by redistributing 67 % of dry-season rainfall into the wet season while keeping the annual rainfall unchanged in a subtropical forest. Soil net nitrification and N mineralization rates were decreased by 13–20 % in the dry season and increased by 50 % with an accelerated NO3 leaching in the wet season. Functional microbial gene abundance and microbial biomass were the main factors affecting the N-process responses to the rainfall seasonality changes.
We conducted a field manipulation experiment by redistributing 67 % of dry-season rainfall into...
