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Slower Soil Nitrogen Transformations Under Longer-Term Warming and the Consequences for Plant Growth

文献类型：期刊论文

作者Song, Lei1,2; Wang, Jinsong1,2; Zhang, Ruiyang1,2; Quan, Quan2; Pan, Junxiao2; Mao, Jinhua2; Yan, Yingjie2; Niu, Shuli1,2
刊名GLOBAL CHANGE BIOLOGY
出版日期2026-04-17
卷号32期号:4页码:e70870
关键词carbon nitrogen coupling elevated temperature nitrogen cycling plant nitrogen uptake soil nitrogen transformation soil plant interaction
ISSN号1354-1013
DOI10.1111/gcb.70870
产权排序1
文献子类Article
英文摘要Climate warming is expected to stimulate soil nitrogen (N) transformations, thereby increasing the supply of available N to support plant growth and carbon (C) assimilation. However, it remains uncertain whether this stimulatory effect on soil N transformations can persist over time to sustain plant growth and N uptake. This study combines a global meta-analysis with a local warming experiment with 7 years to shed light on how soil N transformations respond to long-term warming and the underlying mechanisms, and how these transformations affect plant growth. We found that longer-term warming (>= 6 years) did not stimulate gross soil N transformation rates, with gross nitrification and NO3 - immobilization rates being significantly inhibited. These responses of gross N mineralization and nitrification rates were primarily explained by biotic rather than abiotic factors. Altered substrate supply through N mineralization and nitrification influenced the responses of NH4 + and NO3 - immobilizations. Interestingly, despite the slower rate of soil N transformations, plant growth and N uptake (mainly NH4 + uptake) increased under warming, as the inhibition of NH4 + consumption by nitrifiers left more NH4 + for plants. The findings break the traditional views that warming has a positive effect on soil N cycling and thus contribute to plant N uptake and growth. The slower soil N transformations under longer-term warming and the changes in plant N uptake preference imply a coordination between soil and plant N cycling. Land management practices and C-N cycling simulations should incorporate this soil-plant N coordination and the slower soil N transformations under longer-term warming.
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WOS关键词AMMONIA-OXIDIZING BACTERIA ; RESOURCE STOICHIOMETRY ; MICROBIAL BIOMASS ; CARBON-CYCLE ; MICROORGANISMS ; ECOSYSTEMS ; RESPONSES ; PATTERNS ; ARCHAEA ; LAND
WOS研究方向Biodiversity & Conservation ; Environmental Sciences & Ecology
语种英语
WOS记录号WOS:001742595400001
出版者WILEY
源URL[http://ir.igsnrr.ac.cn/handle/311030/221533]  
专题生态系统网络观测与模拟院重点实验室_外文论文
通讯作者Niu, Shuli
作者单位1.Univ Chinese Acad Sci, Coll Resources & Environm, Beijing, Peoples R China
2.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Ecosyst Network Observat & Modeling, Beijing, Peoples R China;
推荐引用方式
GB/T 7714		 Song, Lei,Wang, Jinsong,Zhang, Ruiyang,et al. Slower Soil Nitrogen Transformations Under Longer-Term Warming and the Consequences for Plant Growth[J]. GLOBAL CHANGE BIOLOGY,2026,32(4):e70870.
APA Song, Lei.,Wang, Jinsong.,Zhang, Ruiyang.,Quan, Quan.,Pan, Junxiao.,...&Niu, Shuli.(2026).Slower Soil Nitrogen Transformations Under Longer-Term Warming and the Consequences for Plant Growth.GLOBAL CHANGE BIOLOGY,32(4),e70870.
MLA Song, Lei,et al."Slower Soil Nitrogen Transformations Under Longer-Term Warming and the Consequences for Plant Growth".GLOBAL CHANGE BIOLOGY 32.4(2026):e70870.

入库方式： OAI收割

来源：地理科学与资源研究所

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