Does metal pollution matter with C retention by rice soil?

Rongjun Bian, Kun Cheng, Jufeng Zheng, Xiaoyu Liu, Yongzhuo Liu, Zhipeng Li, Lianqing Li, Pete Smith, Genxing Pan, David Crowley, Jinwei Zheng, Xuhui Zhang, Liangyun Zhang, Qaiser Hussain

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Abstract

Soil respiration, resulting in decomposition of soil organic carbon (SOC), emits CO2 to the atmosphere and increases under climate warming. However, the impact of heavy metal pollution on soil respiration in croplands is not well understood. Here we show significantly increased soil respiration and efflux of both CO2 and CH4 with a concomitant reduction in SOC storage from a metal polluted rice soil in China. This change is linked to a decline in soil aggregation, in microbial abundance and in fungal dominance. The carbon release is presumably driven by changes in carbon cycling occurring in the stressed soil microbial community with heavy metal pollution in the soil. The pollution-induced increase in soil respiration and loss of SOC storage will likely counteract efforts to increase SOC sequestration in rice paddies for climate change mitigation.

Original languageEnglish
Article number13233
Number of pages7
JournalScientific Reports
Volume5
Early online date14 Aug 2015
DOIs
Publication statusPublished - 2015

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Soil
Metals
Carbon
Respiration
Environmental Pollution
Heavy Metals
Carbon Sequestration
Oryza
Climate Change
Climate
Atmosphere
China

Cite this

Bian, R., Cheng, K., Zheng, J., Liu, X., Liu, Y., Li, Z., ... Hussain, Q. (2015). Does metal pollution matter with C retention by rice soil? Scientific Reports, 5, [13233]. https://doi.org/10.1038/srep13233

Does metal pollution matter with C retention by rice soil? / Bian, Rongjun; Cheng, Kun; Zheng, Jufeng; Liu, Xiaoyu; Liu, Yongzhuo; Li, Zhipeng; Li, Lianqing; Smith, Pete; Pan, Genxing; Crowley, David; Zheng, Jinwei; Zhang, Xuhui; Zhang, Liangyun; Hussain, Qaiser.

In: Scientific Reports, Vol. 5, 13233, 2015.

Research output: Contribution to journalArticle

Bian, R, Cheng, K, Zheng, J, Liu, X, Liu, Y, Li, Z, Li, L, Smith, P, Pan, G, Crowley, D, Zheng, J, Zhang, X, Zhang, L & Hussain, Q 2015, 'Does metal pollution matter with C retention by rice soil?', Scientific Reports, vol. 5, 13233. https://doi.org/10.1038/srep13233
Bian, Rongjun ; Cheng, Kun ; Zheng, Jufeng ; Liu, Xiaoyu ; Liu, Yongzhuo ; Li, Zhipeng ; Li, Lianqing ; Smith, Pete ; Pan, Genxing ; Crowley, David ; Zheng, Jinwei ; Zhang, Xuhui ; Zhang, Liangyun ; Hussain, Qaiser. / Does metal pollution matter with C retention by rice soil?. In: Scientific Reports. 2015 ; Vol. 5.
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title = "Does metal pollution matter with C retention by rice soil?",
abstract = "Soil respiration, resulting in decomposition of soil organic carbon (SOC), emits CO2 to the atmosphere and increases under climate warming. However, the impact of heavy metal pollution on soil respiration in croplands is not well understood. Here we show significantly increased soil respiration and efflux of both CO2 and CH4 with a concomitant reduction in SOC storage from a metal polluted rice soil in China. This change is linked to a decline in soil aggregation, in microbial abundance and in fungal dominance. The carbon release is presumably driven by changes in carbon cycling occurring in the stressed soil microbial community with heavy metal pollution in the soil. The pollution-induced increase in soil respiration and loss of SOC storage will likely counteract efforts to increase SOC sequestration in rice paddies for climate change mitigation.",
author = "Rongjun Bian and Kun Cheng and Jufeng Zheng and Xiaoyu Liu and Yongzhuo Liu and Zhipeng Li and Lianqing Li and Pete Smith and Genxing Pan and David Crowley and Jinwei Zheng and Xuhui Zhang and Liangyun Zhang and Qaiser Hussain",
note = "Date of Acceptance: 17/07/2015 The research work was supported by the China Natural Science Foundation under a grant number of 40830528 and of 40671180. P.S. is a Royal Scoiety-Wolfson Research Merit Award holder and was supported by additional travel funds from a UK BBSRC China Partnership Award. P.S.’s contribution was supported by the UK-China Sustainable Agriculture Innovation Network (SAIN). D.C. was supported by an additional travel and collaboration funding from the China Ministry of Education under a “111” project.",
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