Multi-elemental stoichiometric ratios of atmospheric wet deposition in Chinese terrestrial ecosystems

Chen, Yanran; Wang, Qiufeng; Zhu, Jianxing; Yang, Meng; Hao, Tianxiang; Zhang, Qiongyu; Xi, Yue; Yu, Guirui

doi:10.1016/j.envres.2023.117987

Environmental Research

2024

DOI: 10.1016/j.envres.2023.117987

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Multi-elemental stoichiometric ratios of atmospheric wet deposition in Chinese terrestrial ecosystems

Yanran Chen,

Qiufeng Wang,

Jianxing Zhu

et al.

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Cited by 2 publications

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Phycospheric bacteria limits the effect of nitrogen and phosphorus imbalance on diatom bloom

Zheng,

Hu,

Liu

et al. 2024

Science of The Total Environment

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Phycospheric bacteria limits the effect of nitrogen and phosphorus imbalance on diatom bloom

Zheng,

Hu,

Liu

et al. 2024

Science of The Total Environment

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Temporal and spatial variation in atmospheric wet deposition of nutrients and organic matter at the southern and northern foothills of the Qinling Mountains

Si,

Li,

Huang

et al. 2024

Water Science &Amp; Technology

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Wet deposition significantly impacts the basin ecosystem and water quality of the Qinling Mountains (QMs). However, few research focused on the difference in wet deposition between the northern (QN) and southern (QS) foothills due to the barrier effect of the QMs. This two-year investigation studied nutrient and organic matter deposition in QN and QS during summer and autumn. Results showed higher concentrations of nitrogen (N), phosphorus (P), dissolved organic carbon (DOC), and permanganate index (CODMn) in QN's rainwater, particularly in autumn. The CODMn in QN ranged 0.59–7.67 mg/L, and DOC ranged 0.64–4.45 mg/L. For QS, the CODMn ranged 0.71–3.25 mg/L, and DOC ranged 0.28–2.62 mg/L. Backward trajectory analysis revealed the accumulation of pollutants in QN originating from Northern China, intensified by autumn heating and straw burning. Tyrosine-like and humic-like components in rainwater DOM suggested that they primarily originated from autochthonous sources. Rainwater N:P mass ratios range from 39:1 to 145:1, highlighting a higher N input than P in QMs' wet deposition. The findings underscore the importance of atmospheric wet deposition in nutrient and organic matter input to the QMs and establish a foundation for exploring the ecological effects of wet deposition.

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Multi-elemental stoichiometric ratios of atmospheric wet deposition in Chinese terrestrial ecosystems

Cited by 2 publications

References 58 publications

Phycospheric bacteria limits the effect of nitrogen and phosphorus imbalance on diatom bloom

Phycospheric bacteria limits the effect of nitrogen and phosphorus imbalance on diatom bloom

Temporal and spatial variation in atmospheric wet deposition of nutrients and organic matter at the southern and northern foothills of the Qinling Mountains

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