Different responses of ammonia-oxidizing archaea and bacteria in paddy soils to elevated CO2 concentration

Shen, Li‐dong; Yang, Yumei; Liu, Jiaqi; Hu, Zhenghua; Liu, Xin; Tian, Mao-hui; Yang, Wang-ting; Jin, Jing-hao; Wang, Haoyu; Wang, Yuan‐Yuan; Wu, Hong‐sheng

doi:10.1016/j.envpol.2021.117558

Cited by 22 publications

(10 citation statements)

References 68 publications

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“…Gross N mineralization has been demonstrated to increase with increasing soil pH. , We found a significant decrease in soil pH under elevated CO 2 (Figure d) and a significant and positive relationship between gross N mineralization and soil pH (Figure a). Similarly, Shen et al demonstrated that elevated CO 2 could decrease subsurface soil pH in the agroecosystem. We thus speculate that 9 year exposure to elevated CO 2 inhibited gross N mineralization by decreasing soil pH.…”

Section: Resultsmentioning

confidence: 92%

Inhibition of Elevated Atmospheric Carbon Dioxide to Soil Gross Nitrogen Mineralization Aggravated by Warming in an Agroecosystem

Wang

Liu

et al. 2022

Environ. Sci. Technol.

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The response of soil gross nitrogen (N) cycling to elevated carbon dioxide (CO 2 ) concentration and temperature has been extensively studied in natural and semi-natural ecosystems. However, how these factors and their interaction affect soil gross N dynamics in agroecosystems, strongly disturbed by human activity, remains largely unknown. Here, a 15 N tracer study under aerobic incubation was conducted to quantify soil gross N transformation rates in a paddy field exposed to elevated CO 2 and/or temperature for 9 years in a warming and free air CO 2 enrichment experiment. Results show that long-term exposure to elevated CO 2 significantly inhibited or tended to inhibit gross N mineralization at elevated and ambient temperatures, respectively. The inhibition of soil gross N mineralization by elevating CO 2 was aggravated by warming in this paddy field. The inhibition of gross N mineralization under elevated CO 2 could be due to decreased soil pH. Long-term exposure to elevated CO 2 also significantly reduced gross autotrophic nitrification at ambient temperature, probably due to decreased soil pH and gross N mineralization. In contrast, none of the gross N transformation rates were affected by longterm exposure to warming alone. Our study provides strong evidence that long-term dual exposure to elevated CO 2 and temperature has a greater negative effect on gross N mineralization rate than the single exposure, potentially resulting in progressive N limitation in this agroecosystem and ultimately increasing demand for N fertilizer.

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Section: Resultsmentioning

confidence: 92%

Inhibition of Elevated Atmospheric Carbon Dioxide to Soil Gross Nitrogen Mineralization Aggravated by Warming in an Agroecosystem

Wang

Liu

et al. 2022

Environ. Sci. Technol.

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“…We found significant exponential correlations between soil N 2 O and CO 2 concentrations ( Figure 3 ), and cumulative N 2 O emissions were significantly correlated with soil CO 2 concentrations ( Figure 6 ). As previous studies mentioned, elevated atmospheric CO 2 increased soil nitrification rate and shifted ammonia-oxidizing community abundance and structure [ 35 , 36 , 37 ]. Elevated CO 2 could both significantly shift amoA - AOB and amoA - AOA communities, and amoA - AOB was more sensitive to the rising CO 2 concentration [ 35 ].…”

Section: Discussionmentioning

confidence: 94%

Black Plastic Film Mulching Increases Soil Nitrous Oxide Emissions in Arid Potato Fields

Meng

Zhao

Wang

et al. 2022

IJERPH

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Black plastic film mulching is a common practice for potato production in the arid area of Northwest China. Many studies have reported the significant positive effect of black plastic film mulch on potato harvest, while the effect of black plastic film mulch treatment on soil nitrous oxide (N2O) emissions is still unclear. As a consequence, this study aimed to examine the effect of black plastic film mulch treatment on N2O emission from arid upland potato fields. With the static chamber-gas chromatography method, soil N2O emissions were measured. The results showed that black plastic film mulching treatment significantly increased cumulative soil N2O emissions by 21–26% compared with non-mulched treatment. Cumulative N2O emission positively correlated with soil temperature, soil moisture, soil CO2 concentration, and amoA-AOB abundance. This study indicated that black plastic film mulching, mainly through increasing soil temperature and soil moisture, increasing soil carbon dioxide (CO2) concentration, and promoting the abundance of nitrification-related functional gene of amoA-AOB, regulated N2O emissions. This study also highlighted that the specific soil environment under black plastic film mulch is conducive to N2O emissions and lay the foundation for settling the contradiction between food production and greenhouse gas mitigation in upland soils. The negative effects of black plastic film mulching on the environment should be considered in future applications in food production.

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“…The remaining sequences were then blasted in GenBank using the BLAST tool, 1 and sequences with low similarity to existing amoA gene sequences were discarded. The remaining high-quality sequences were clustered into operational taxonomic units (OTUs) based on a similarity threshold of 97% ( Pester et al, 2012 ; Shen et al, 2021 ). Calculation of alpha diversity, including chao1 , Shannon , and simpson indices, as well as the coverage and rarefaction analyses for each clone library were conducted using mothur v.1.39.5 software ( Schloss et al, 2009 ).…”

Section: Methodsmentioning

confidence: 99%

“…Both groups use ammonia as their sole energy source ( Konneke et al, 2014 ; Lehtovirta-Morley et al, 2016 ), although some of them are reported to be able to assimilate amino acids ( Mussmann et al, 2011 ). As a result of their importance in nitrogen cycling and their potential use in ammonia removal, for instance through coupled nitrification–denitrification processes, AOA and AOB have been well-studied in various habitats, including oceans ( Francis et al, 2005 ; Sintes et al, 2015 ), estuaries ( Zheng et al, 2014 ; Smith et al, 2015 ), lakes ( Liu and Yang, 2021 ), soils ( Pester et al, 2012 ; Shen et al, 2021 ), and wetlands ( Wang et al, 2013 , 2019 ). For example, many factors have been shown to affect the composition and abundance of AOB and AOA, including pH, temperature, salinity ( Santos et al, 2020 ), ammonia concentration ( Taylor et al, 2012 ), nutrient levels ( Dai et al, 2018 ), competition ( French et al, 2021 ), and predators ( Kim et al, 2019 ).…”

Section: Introductionmentioning

confidence: 99%

Stochastic factors drive dynamics of ammonia-oxidizing archaeal and bacterial communities in aquaculture pond sediment

Dai

Liang

et al. 2022

Front. Microbiol.

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Ammonia-oxidizing archaea (AOA) and bacteria (AOB) play an important role in nitrification, which is essential in the global nitrogen cycle. However, their dynamics and the underlying community processes in agricultural ecosystems under disturbance remain largely unknown. In this study we examined the spatiotemporal dynamics of AOA and AOB communities and analyzed their community processes in the sediment of aquaculture ponds across three different areas in China. We found some significant temporal changes in AOA and AOB community diversity and abundances, but no temporal changes in community composition, despite the significant variations in sediment properties between different sampling times. Nevertheless, significant differences were found for AOA and AOB communities between different areas. Distinct area-specific taxa were detected, and they were found to be important in determining the response of AOA and AOB communities to environmental factors. In addition, geographic distance was found to be significantly correlated with AOA and AOB community composition, which demonstrates that dispersal limitation could significantly contribute to the variations in AOA and AOB communities, and stochastic processes were found to be important in structuring AOA/AOB communities in aquaculture ponds. Taken together, our study indicates that the dynamics of AOA and AOB are based on their community characteristics in aquaculture pond sediment. Our results, for the first time, provide evidence for the dynamics of AOA and AOB communities being driven by stochastic factors in a disturbed environment, and might also be of use in the management of the aquaculture environment.

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Different responses of ammonia-oxidizing archaea and bacteria in paddy soils to elevated CO2 concentration

Cited by 22 publications

References 68 publications

Inhibition of Elevated Atmospheric Carbon Dioxide to Soil Gross Nitrogen Mineralization Aggravated by Warming in an Agroecosystem

Inhibition of Elevated Atmospheric Carbon Dioxide to Soil Gross Nitrogen Mineralization Aggravated by Warming in an Agroecosystem

Black Plastic Film Mulching Increases Soil Nitrous Oxide Emissions in Arid Potato Fields

Stochastic factors drive dynamics of ammonia-oxidizing archaeal and bacterial communities in aquaculture pond sediment

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