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Research Article

Long-Term Nitrogen Addition Leads to Loss of Species Richness Due to Litter Accumulation and Soil Acidification in a Temperate Steppe

  • Ying Fang,

    Affiliations: State Key Laboratory of Vegetation and Environmental Change, Institute of Botany, Chinese Academy of Sciences, Xiangshan, Beijing, China, Graduate School of Chinese Academy of Sciences, Yuquanlu, Beijing, China

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  • Fen Xun,

    Affiliations: State Key Laboratory of Vegetation and Environmental Change, Institute of Botany, Chinese Academy of Sciences, Xiangshan, Beijing, China, Graduate School of Chinese Academy of Sciences, Yuquanlu, Beijing, China

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  • Wenming Bai mail,

    bwming@ibcas.ac.cn

    Affiliation: State Key Laboratory of Vegetation and Environmental Change, Institute of Botany, Chinese Academy of Sciences, Xiangshan, Beijing, China

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  • Wenhao Zhang,

    Affiliation: State Key Laboratory of Vegetation and Environmental Change, Institute of Botany, Chinese Academy of Sciences, Xiangshan, Beijing, China

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  • Linghao Li

    Affiliation: State Key Laboratory of Vegetation and Environmental Change, Institute of Botany, Chinese Academy of Sciences, Xiangshan, Beijing, China

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  • Published: October 12, 2012
  • DOI: 10.1371/journal.pone.0047369

About the Authors

Ying Fang, Fen Xun, Wenming Bai, Wenhao Zhang, Linghao Li
State Key Laboratory of Vegetation and Environmental Change, Institute of Botany, Chinese Academy of Sciences, Xiangshan, Beijing, China
Ying Fang, Fen Xun
Graduate School of Chinese Academy of Sciences, Yuquanlu, Beijing, China

Corresponding Author

Email: bwming@ibcas.ac.cn

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: WB LL. Performed the experiments: YF FX. Analyzed the data: YF FX WB. Contributed reagents/materials/analysis tools: FX WB. Wrote the paper: WB WZ.