Potential transition in the effects of atmospheric nitrogen deposition in China
2020
Zhu, Jianxing | Chen, Zhi | Wang, Qiufeng | Xu, Li | He, Niangpeng | Jia, Yanlong | Zhang, Qiongyu | Yu, Guirui
Nitrogen (N) deposition in China may increase due to urbanization and economic growth. Current research has considered the ecological significance under the assumption of increasing N deposition. Atmospheric N deposition tending toward levelling or declining has been observed in China. Such potential recovery and responses of high N loads ecosystems under decreasing atmospheric N deposition scenarios have yet to be adequately investigated. This work reviews existing literature to consider possible responses of carbon (C) sequestration, biodiversity and species composition, soil acidification, and greenhouse emissions in ecosystems responding to recent patterns of N deposition. Potential effects of N composition and internal ratios may be further explored through state-of-the-art N addition experiments and model development.
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