Identifying thresholds of nitrogen enrichment for substantial shifts in arbuscular mycorrhizal fungal community metrics in a temperate grassland of northern China
文献类型：期刊论文
| 作者 | Wu, Hui1; Yang, Junjie2; Fu, Wei1; Rillig, Matthias C.; Cao, Zhenjiao; Zhao, Aihua; Hao, Zhipeng; Zhang, Xin; Chen, Baodong1; Han, Xingguo1,2 |
| 刊名 | NEW PHYTOLOGIST
 |
| 出版日期 | 2023 |
| 卷号 | 237期号:1页码:279-294 |
| ISSN号 | 0028-646X |
| 关键词 | arbuscular mycorrhizal fungi biodiversity community response global change nitrogen deposition stability threshold |
| DOI | 10.1111/nph.18516 |
| 文献子类 | Article |
| 英文摘要 | Nitrogen (N) enrichment poses threats to biodiversity and ecosystem stability, while arbuscular mycorrhizal (AM) fungi play important roles in ecosystem stability and functioning. However, the ecological impacts, especially thresholds of N enrichment potentially causing AM fungal community shifts have not been adequately characterized. Based on a long-term field experiment with nine N addition levels ranging from 0 to 50 g N m(-2) yr(-1) in a temperate grassland, we characterized the community response patterns of AM fungi to N enrichment. Arbuscular mycorrhizal fungal biomass continuously decreased with increasing N addition levels. However, AM fungal diversity did not significantly change below 20 g N m(-2) yr(-1), but dramatically decreased at higher N levels, which drove the AM fungal community to a potentially unstable state. Structural equation modeling showed that the decline in AM fungal biomass could be well explained by soil acidification, whereas key driving factors for AM fungal diversity shifted from soil nitrogen : phosphorus (N : P) ratio to soil pH with increasing N levels. Different aspects of AM fungal communities (biomass, diversity and community composition) respond differently to increasing N addition levels. Thresholds for substantial community shifts in response to N enrichment in this grassland ecosystem are identified. |
| 学科主题 | Plant Sciences |
| 电子版国际标准刊号 | 1469-8137 |
| 出版地 | HOBOKEN |
| WOS关键词 | SOIL MICROBIAL BIOMASS ; ECOSYSTEM STABILITY ; PLANT COMMUNITY ; CRITICAL LOADS ; GLOBAL CHANGE ; LIFE-HISTORY ; TRADE-OFFS ; DEPOSITION ; RESPONSES ; DIVERSITY |
| WOS研究方向 | Science Citation Index Expanded (SCI-EXPANDED) |
| 语种 | 英语 |
| 出版者 | WILEY |
| WOS记录号 | WOS:000870347900001 |
| 资助机构 | National Natural Science Foundations of China [41877050] ; National Key Research and Development Program of China [2016YFC0500702] |
| 源URL | [http://ir.ibcas.ac.cn/handle/2S10CLM1/29096]  |
| 专题 | 植被与环境变化国家重点实验室 |
| 作者单位 | 1.Chinese Acad Sci, Res Ctr Ecoenvironm Sci, State Key Lab Urban & Reg Ecol, Beijing 100085, Peoples R China 2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China 3.Chinese Acad Sci, Inst Bot, State Key Lab Vegetat & Environm Change, Beijing 100093, Peoples R China 4.Rillig, Matthias C.] Free Univ Berlin, Inst Biol, D-14195 Berlin, Germany 5.Rillig, Matthias C.] Berlin Brandenburg Inst Adv Biodivers Res BBIB, D-14195 Berlin, Germany |
| 推荐引用方式 GB/T 7714 | Wu, Hui,Yang, Junjie,Fu, Wei,et al. Identifying thresholds of nitrogen enrichment for substantial shifts in arbuscular mycorrhizal fungal community metrics in a temperate grassland of northern China[J]. NEW PHYTOLOGIST,2023,237(1):279-294. |
| APA | Wu, Hui.,Yang, Junjie.,Fu, Wei.,Rillig, Matthias C..,Cao, Zhenjiao.,...&Han, Xingguo.(2023).Identifying thresholds of nitrogen enrichment for substantial shifts in arbuscular mycorrhizal fungal community metrics in a temperate grassland of northern China.NEW PHYTOLOGIST,237(1),279-294. |
| MLA | Wu, Hui,et al."Identifying thresholds of nitrogen enrichment for substantial shifts in arbuscular mycorrhizal fungal community metrics in a temperate grassland of northern China".NEW PHYTOLOGIST 237.1(2023):279-294. |
入库方式： OAI收割
来源：植物研究所
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