1
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Wang J, Peñuelas J, Neilson R, Leng P, Peguero G, Nielsen UN, Tan Y, Shi X, Zhang G. Elevated O 3 has stronger effects than CO 2 on soil nematode abundances but jointly inhibits their diversity in paddy soils. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2024; 370:122779. [PMID: 39366225 DOI: 10.1016/j.jenvman.2024.122779] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/30/2023] [Revised: 09/13/2024] [Accepted: 09/29/2024] [Indexed: 10/06/2024]
Abstract
Anthropogenic activities have resulted in rising atmospheric concentrations of carbon dioxide (CO2) and ozone (O3), exerting substantial direct and indirect impacts on soil biodiversity within agroecosystems. Despite the considerable attention given to the individual impacts of elevated CO2 and O3 levels, the combined effects on soil nematode communities have not been extensively explored. In this study, we investigated the interactive effects of elevated CO2 (+200 ppm, eCO2) and O3 (+40 ppb, eO3) levels on the abundance, diversity, and trophic composition of soil nematode communities associated with two rice cultivars (Nanjing 5055, NJ5055 and Wuyujing 3, WYJ3). Our findings revealed that soil nematodes had greater abundances under eO3, whereas eCO2 had no significant impacts. Conversely, both eCO2 and eO3, and their combination led to significant reductions in nematode generic richness, accompanied by a decline in the diversity particularly associated with the WYJ3 cultivar. Moreover, eCO2 and eO3 influenced nematode community composition and environmental factors, particularly for the WYJ3 cultivar. Both eCO2 and eO3 significantly increased soil nitrate levels. The changes in nematode community composition were related to soil nitrate levels, as well as nitrogen and carbon concentrations in rice plant roots. Furthermore, interactions between eCO2 and eO3 significantly impacted soil nematode abundance and trophic composition, revealing intricate consequences for soil nematode communities that transcend predictions based on single-factor experiments. This study unveils the potential impacts posed by eCO2 and eO3 on soil biodiversity mediated by rice cultivars, plant functional characteristics and soil feedback mechanisms, thereby underscoring the complex and interactive outcomes arising from concurrent drivers of climate change within the soil food web.
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Affiliation(s)
- Jianqing Wang
- Key Laboratory for Humid Subtropical Eco-geographical Processes of the Ministry of Education, Institute of Geography, Fujian Normal University, Fuzhou, 350117, China; Fujian Provincial Key Laboratory for Subtropical Resources and Environment, School of Geographical Sciences, Fujian Normal University, Fuzhou, 350117, China
| | - Josep Peñuelas
- CSIC, Global Ecology Unit CREAF-CSIC-UAB, 08913, Bellaterra, Catalonia, Spain; CREAF, 08913, Cerdanyola del Vallès, Catalonia, Spain
| | - Roy Neilson
- Ecological Sciences, The James Hutton Institute, Dundee, DD2, 5DA, Scotland, UK
| | - Peng Leng
- Key Laboratory for Humid Subtropical Eco-geographical Processes of the Ministry of Education, Institute of Geography, Fujian Normal University, Fuzhou, 350117, China; Fujian Provincial Key Laboratory for Subtropical Resources and Environment, School of Geographical Sciences, Fujian Normal University, Fuzhou, 350117, China
| | - Guille Peguero
- CSIC, Global Ecology Unit CREAF-CSIC-UAB, 08913, Bellaterra, Catalonia, Spain; CREAF, 08913, Cerdanyola del Vallès, Catalonia, Spain; Department of Evolutionary Biology, Ecology and Environmental Sciences, Universitat de Barcelona, 08028, Barcelona, Spain
| | - Uffe N Nielsen
- Hawkesbury Institute for the Environment, Western Sydney University, Locked Bag 1797, Penrith, NSW, 2751, Australia
| | - Yunyan Tan
- Key Laboratory for Humid Subtropical Eco-geographical Processes of the Ministry of Education, Institute of Geography, Fujian Normal University, Fuzhou, 350117, China; Fujian Provincial Key Laboratory for Subtropical Resources and Environment, School of Geographical Sciences, Fujian Normal University, Fuzhou, 350117, China
| | - Xiuzhen Shi
- Key Laboratory for Humid Subtropical Eco-geographical Processes of the Ministry of Education, Institute of Geography, Fujian Normal University, Fuzhou, 350117, China; Fujian Provincial Key Laboratory for Subtropical Resources and Environment, School of Geographical Sciences, Fujian Normal University, Fuzhou, 350117, China.
| | - Guoyou Zhang
- Key Laboratory of Agrometeorology of Jiangsu Province, School of Applied Meteorology, Nanjing University of Information Science & Technology, Nanjing, 210044, China.
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2
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Tu X, Wang J, Liu X, Liu Y, Zhang Y, Uwiragiye Y, Elrys AS, Zhang J, Cai Z, Cheng Y, Müller C. Warming-Induced Stimulation of Soil N 2O Emissions Counteracted by Elevated CO 2 from Nine-Year Agroecosystem Temperature and Free Air Carbon Dioxide Enrichment. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2024; 58:6215-6225. [PMID: 38546713 DOI: 10.1021/acs.est.3c10775] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/10/2024]
Abstract
Globally, agricultural soils account for approximately one-third of anthropogenic emissions of the potent greenhouse gas and stratospheric ozone-depleting substance nitrous oxide (N2O). Emissions of N2O from agricultural soils are affected by a number of global change factors, such as elevated air temperatures and elevated atmospheric carbon dioxide (CO2). Yet, a mechanistic understanding of how these climatic factors affect N2O emissions in agricultural soils remains largely unresolved. Here, we investigate the soil N2O emission pathway using a 15N tracing approach in a nine-year field experiment using a combined temperature and free air carbon dioxide enrichment (T-FACE). We show that the effect of CO2 enrichment completely counteracts warming-induced stimulation of both nitrification- and denitrification-derived N2O emissions. The elevated CO2 induced decrease in pH and labile organic nitrogen (N) masked the stimulation of organic carbon and N by warming. Unexpectedly, both elevated CO2 and warming had little effect on the abundances of the nitrifying and denitrifying genes. Overall, our study confirms the importance of multifactorial experiments to understand N2O emission pathways from agricultural soils under climate change. This better understanding is a prerequisite for more accurate models and the development of effective options to combat climate change.
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Affiliation(s)
- Xiaoshun Tu
- School of Geography, Nanjing Normal University, Nanjing 210023, China
| | - Jing Wang
- Co-Innovation Center for Sustainable Forestry in Southern China, Nanjing Forestry University, Nanjing 210037, China
| | - Xiaoyu Liu
- Institute of Resource, Ecosystem and Environment of Agriculture, and Center of Agricultural and Climate Change, Nanjing Agricultural University, Nanjing 210095, China
| | - Yu Liu
- School of Geography, Nanjing Normal University, Nanjing 210023, China
| | - Yinghua Zhang
- School of Geography, Nanjing Normal University, Nanjing 210023, China
| | - Yves Uwiragiye
- School of Geography, Nanjing Normal University, Nanjing 210023, China
- Department of Agriculture, Faculty of Agriculture, Environmental Management and Renewable Energy, University of Technology and Arts of Byumba, POB 25 Byumba, Rwanda
| | - Ahmed S Elrys
- Soil Science Department, Faculty of Agriculture, Zagazig University, Zagazig 44511, Egypt
- Liebig Centre of Agroecology and Climate Impact Research, Justus Liebig University, Heinrich-Buff-Ring 26, 35392 Giessen, Germany
| | - Jinbo Zhang
- School of Geography, Nanjing Normal University, Nanjing 210023, China
- Liebig Centre of Agroecology and Climate Impact Research, Justus Liebig University, Heinrich-Buff-Ring 26, 35392 Giessen, Germany
| | - Zucong Cai
- School of Geography, Nanjing Normal University, Nanjing 210023, China
| | - Yi Cheng
- School of Geography, Nanjing Normal University, Nanjing 210023, China
- Liebig Centre of Agroecology and Climate Impact Research, Justus Liebig University, Heinrich-Buff-Ring 26, 35392 Giessen, Germany
- Jiangsu Center for Collaborative Innovation in Geographical Information Resource Development and Application, Nanjing 210023, China
- Key Laboratory of Virtual Geographic Environment (Nanjing Normal University), Ministry of Education, Nanjing 210023, China
- Soil and Fertilizer & Resources and Environmental Institute, Jiangxi Academy of Agricultural Sciences, Nanchang 330200, China
| | - Christoph Müller
- Liebig Centre of Agroecology and Climate Impact Research, Justus Liebig University, Heinrich-Buff-Ring 26, 35392 Giessen, Germany
- Institute of Plant Ecology, Justus Liebig University Giessen, Heinrich-Buff-Ring 26, 35392 Giessen, Germany
- School of Biology and Environmental Science and Earth Institute, University College Dublin, Belfield Dublin 4, Ireland
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3
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Zhang K, Zentella R, Burkey KO, Liao HL, Tisdale RH. Long-term tropospheric ozone pollution disrupts plant-microbe-soil interactions in the agroecosystem. GLOBAL CHANGE BIOLOGY 2024; 30:e17215. [PMID: 38429894 DOI: 10.1111/gcb.17215] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/20/2024] [Revised: 02/12/2024] [Accepted: 02/13/2024] [Indexed: 03/03/2024]
Abstract
Tropospheric ozone (O3 ) threatens agroecosystems, yet its long-term effects on intricate plant-microbe-soil interactions remain overlooked. This study employed two soybean genotypes of contrasting O3 -sensitivity grown in field plots exposed elevated O3 (eO3 ) and evaluated cause-effect relationships with their associated soil microbiomes and soil quality. Results revealed long-term eO3 effects on belowground soil microbiomes and soil health surpass damage visible on plants. Elevated O3 significantly disrupted belowground bacteria-fungi interactions, reduced fungal diversity, and altered fungal community assembly by impacting soybean physiological properties. Particularly, eO3 impacts on plant performance were significantly associated with arbuscular mycorrhizal fungi, undermining their contribution to plants, whereas eO3 increased fungal saprotroph proliferation, accelerating soil organic matter decomposition and soil carbon pool depletion. Free-living diazotrophs exhibited remarkable acclimation under eO3 , improving plant performance by enhancing nitrogen fixation. However, overarching detrimental consequences of eO3 negated this benefit. Overall, this study demonstrated long-term eO3 profoundly governed negative impacts on plant-soil-microbiota interactions, pointing to a potential crisis for agroecosystems. These findings highlight urgent needs to develop adaptive strategies to navigate future eO3 scenarios.
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Affiliation(s)
- Kaile Zhang
- North Florida Research and Education Center, University of Florida, Quincy, Florida, USA
- Department of Soil, Water, and Ecosystem Sciences, University of Florida, Gainesville, Florida, USA
| | - Rodolfo Zentella
- U.S. Department of Agriculture, Agricultural Research Service, Plant Science Research Unit, Raleigh, North Carolina, USA
- Department of Crop and Soil Sciences, North Carolina State University, Raleigh, North Carolina, USA
| | - Kent O Burkey
- U.S. Department of Agriculture, Agricultural Research Service, Plant Science Research Unit, Raleigh, North Carolina, USA
- Department of Crop and Soil Sciences, North Carolina State University, Raleigh, North Carolina, USA
| | - Hui-Ling Liao
- North Florida Research and Education Center, University of Florida, Quincy, Florida, USA
- Department of Soil, Water, and Ecosystem Sciences, University of Florida, Gainesville, Florida, USA
| | - Ripley H Tisdale
- U.S. Department of Agriculture, Agricultural Research Service, Plant Science Research Unit, Raleigh, North Carolina, USA
- Department of Crop and Soil Sciences, North Carolina State University, Raleigh, North Carolina, USA
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4
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Liao J, Huang Y, Li Z, Niu S. Data-driven modeling on the global annual soil nitrous oxide emissions: Spatial pattern and attributes. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 903:166472. [PMID: 37625728 DOI: 10.1016/j.scitotenv.2023.166472] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/25/2023] [Revised: 08/08/2023] [Accepted: 08/19/2023] [Indexed: 08/27/2023]
Abstract
Previous assessments generated divergent estimates of global terrestrial soil nitrous oxide (N2O) emission and its spatial distributions, which did not match the observed data well. The objectives of this study were to generate a global map of terrestrial soil N2O emissions based on field observations (n = 5549) and quantify the contribution of different variables for predicting the global variation of N2O emissions. We provided spatially explicit maps of annual soil N2O emission rates across forest, grassland and cropland using the random forest approach. The global mean soil N2O emission rate in our data-driven model was 0.059 ± 0.006 g N m-2 year-1, which was lower than the estimates from previous model ensembles. Soil N2O emissions were higher in the northern than southern hemisphere. The average annual soil N2O emission rate of cropland (0.094 ± 0.009 g N m-2 year-1) was higher than that of forest (0.039 ± 0.004 g N m-2 year-1) and grassland (0.045 ± 0.007 g N m-2 year-1). In addition, we found that soil nitrogen substrates dominated the changes in soil N2O emissions and the relative importance of nitrate, ammonium, and fertilizer in predicting soil N2O emissions was greater than that of mean annual temperature and precipitation. Our data-driven model results implied that previous process-based model may overestimate the global soil N2O emission rates due to limited validation data and incomplete assumptions on related-mechanisms. This study highlights the importance of global field observations in N2O emission estimation, which can provide an independent dataset to constrain previous process-based models for better prediction.
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Affiliation(s)
- Jiaqiang Liao
- Key Laboratory of Ecosystem Network Observation and Modeling, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China; College of Resources and Environment, University of Chinese Academy of Sciences, Beijing, China
| | - Yuanyuan Huang
- Key Laboratory of Ecosystem Network Observation and Modeling, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China
| | - Zhaolei Li
- Key Laboratory of Ecosystem Network Observation and Modeling, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China; Interdisciplinary Research Center for Agriculture Green Development in Yangtze River Basin, College of Resources and Environment, and Academy of Agricultural Sciences, Southwest University, Chongqing 400715, China
| | - Shuli Niu
- Key Laboratory of Ecosystem Network Observation and Modeling, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China; College of Resources and Environment, University of Chinese Academy of Sciences, Beijing, China.
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5
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Zhang K, Qiu Y, Zhao Y, Wang S, Deng J, Chen M, Xu X, Wang H, Bai T, He T, Zhang Y, Chen H, Wang Y, Hu S. Moderate precipitation reduction enhances nitrogen cycling and soil nitrous oxide emissions in a semi-arid grassland. GLOBAL CHANGE BIOLOGY 2023; 29:3114-3129. [PMID: 36892227 DOI: 10.1111/gcb.16672] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/13/2022] [Revised: 02/28/2023] [Accepted: 03/01/2023] [Indexed: 05/03/2023]
Abstract
The ongoing climate change is predicted to induce more weather extremes such as frequent drought and high-intensity precipitation events, causing more severe drying-rewetting cycles in soil. However, it remains largely unknown how these changes will affect soil nitrogen (N)-cycling microbes and the emissions of potent greenhouse gas nitrous oxide (N2 O). Utilizing a field precipitation manipulation in a semi-arid grassland on the Loess Plateau, we examined how precipitation reduction (ca. -30%) influenced soil N2 O and carbon dioxide (CO2 ) emissions in field, and in a complementary lab-incubation with simulated drying-rewetting cycles. Results obtained showed that precipitation reduction stimulated plant root turnover and N-cycling processes, enhancing soil N2 O and CO2 emissions in field, particularly after each rainfall event. Also, high-resolution isotopic analyses revealed that field soil N2 O emissions primarily originated from nitrification process. The incubation experiment further showed that in field soils under precipitation reduction, drying-rewetting stimulated N mineralization and ammonia-oxidizing bacteria in favor of genera Nitrosospira and Nitrosovibrio, increasing nitrification and N2 O emissions. These findings suggest that moderate precipitation reduction, accompanied with changes in drying-rewetting cycles under future precipitation scenarios, may enhance N cycling processes and soil N2 O emissions in semi-arid ecosystems, feeding positively back to the ongoing climate change.
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Affiliation(s)
- Kangcheng Zhang
- College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing, 210095, China
| | - Yunpeng Qiu
- College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing, 210095, China
| | - Yunfeng Zhao
- College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing, 210095, China
| | - Shuhong Wang
- Ningxia Yunwu Mountains Grassland Natural Reserve Administration, Guyuan, 756000, China
| | - Jun Deng
- Ningxia Yunwu Mountains Grassland Natural Reserve Administration, Guyuan, 756000, China
| | - Mengfei Chen
- College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing, 210095, China
| | - Xinyu Xu
- College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing, 210095, China
| | - Hao Wang
- College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing, 210095, China
| | - Tongshuo Bai
- College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing, 210095, China
| | - Tangqing He
- College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing, 210095, China
| | - Yi Zhang
- College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing, 210095, China
| | - Huaihai Chen
- School of Ecology, Sun Yat-Sen University, Guangzhou, 510006, China
| | - Yi Wang
- State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment, Chinese Academy of Sciences, Xi'an, China
| | - Shuijin Hu
- Department of Entomology and Plant Pathology, North Carolina State University, Raleigh, North Carolina, 27695, USA
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6
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Gu X, Wang T, Li C. Elevated ozone decreases the multifunctionality of belowground ecosystems. GLOBAL CHANGE BIOLOGY 2023; 29:890-908. [PMID: 36300607 DOI: 10.1111/gcb.16507] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/28/2022] [Revised: 10/19/2022] [Accepted: 10/21/2022] [Indexed: 06/16/2023]
Abstract
Elevated tropospheric ozone (O3 ) affects the allocation of biomass aboveground and belowground and influences terrestrial ecosystem functions. However, how belowground functions respond to elevated O3 concentrations ([O3 ]) remains unclear at the global scale. Here, we conducted a detailed synthesis of belowground functioning responses to elevated [O3 ] by performing a meta-analysis of 2395 paired observations from 222 publications. We found that elevated [O3 ] significantly reduced the primary productivity of roots by 19.8%, 16.3%, and 26.9% for crops, trees and grasses, respectively. Elevated [O3 ] strongly decreased the root/shoot ratio by 11.3% for crops and by 4.9% for trees, which indicated that roots were highly sensitive to O3 . Elevated [O3 ] impacted carbon and nitrogen cycling in croplands, as evidenced by decreased dissolved organic carbon, microbial biomass carbon, total soil nitrogen, ammonium nitrogen, microbial biomass nitrogen, and nitrification rates in association with increased nitrate nitrogen and denitrification rates. Elevated [O3 ] significantly decreased fungal phospholipid fatty acids in croplands, which suggested that O3 altered the microbial community and composition. The responses of belowground functions to elevated [O3 ] were modified by experimental methods, root environments, and additional global change factors. Therefore, these factors should be considered to avoid the underestimation or overestimation of the impacts of elevated [O3 ] on belowground functioning. The significant negative relationships between O3 -treated intensity and the multifunctionality index for croplands, forests, and grasslands implied that elevated [O3 ] decreases belowground ecosystem multifunctionality.
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Affiliation(s)
- Xian Gu
- State Key Laboratory of Vegetation and Environmental Change, Institute of Botany, the Chinese Academy of Sciences, Beijing, China
- College of Pharmacy, Hebei University of Chinese Medicine, Shijiazhuang, China
| | - Tianzuo Wang
- State Key Laboratory of Vegetation and Environmental Change, Institute of Botany, the Chinese Academy of Sciences, Beijing, China
| | - Caihong Li
- State Key Laboratory of Vegetation and Environmental Change, Institute of Botany, the Chinese Academy of Sciences, Beijing, China
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7
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Aryal B, Gurung R, Camargo AF, Fongaro G, Treichel H, Mainali B, Angove MJ, Ngo HH, Guo W, Puadel SR. Nitrous oxide emission in altered nitrogen cycle and implications for climate change. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2022; 314:120272. [PMID: 36167167 DOI: 10.1016/j.envpol.2022.120272] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/09/2022] [Revised: 08/28/2022] [Accepted: 09/21/2022] [Indexed: 06/16/2023]
Abstract
Natural processes and human activities play a crucial role in changing the nitrogen cycle and increasing nitrous oxide (N2O) emissions, which are accelerating at an unprecedented rate. N2O has serious global warming potential (GWP), about 310 times higher than that of carbon dioxide. The food production, transportation, and energy required to sustain a world population of seven billion have required dramatic increases in the consumption of synthetic nitrogen (N) fertilizers and fossil fuels, leading to increased N2O in air and water. These changes have radically disturbed the nitrogen cycle and reactive nitrogen species, such as nitrous oxide (N2O), and have impacted the climatic system. Yet, systematic and comprehensive studies on various underlying processes and parameters in the altered nitrogen cycle, and their implications for the climatic system are still lacking. This paper reviews how the nitrogen cycle has been disturbed and altered by anthropogenic activities, with a central focus on potential pathways of N2O generation. The authors also estimate the N2O-N emission mainly due to anthropogenic activities will be around 8.316 Tg N2O-N yr-1 in 2050. In order to minimize and tackle the N2O emissions and its consequences on the global ecosystem and climate change, holistic mitigation strategies and diverse adaptations, policy reforms, and public awareness are suggested as vital considerations. This study concludes that rapidly increasing anthropogenic perturbations, the identification of new microbial communities, and their role in mediating biogeochemical processes now shape the modern nitrogen cycle.
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Affiliation(s)
- Babita Aryal
- Naaya Aayam Multidisciplinary Institute, NAMI, University of Northampton, Jorpati, Kathmandu, Nepal
| | - Roshni Gurung
- Naaya Aayam Multidisciplinary Institute, NAMI, University of Northampton, Jorpati, Kathmandu, Nepal
| | - Aline F Camargo
- Federal University of Santa Catarina, Post-graduation Program in Biotechnology and Biosciences, Florianopólis, Brazil; Laboratory of Microbiology and Bioprocesses, Federal University of Fronteira Sul, Erechim, Brazil
| | - Gislaine Fongaro
- Laboratory of Applied Virology, Department of Microbiology, Immunology and Parasitology, Federal University of Santa Catarina, 88040-900, Florianópolis, SC, Brazil
| | - Helen Treichel
- Laboratory of Microbiology and Bioprocesses, Federal University of Fronteira Sul, Erechim, Brazil
| | - Bandita Mainali
- School of Engineering and Mathematical Sciences, La Trobe University, Bendigo, VIC, 3550, Australia; School of Engineering, Macquarie University, Sydney, Australia
| | - Michael J Angove
- Department of Pharmacy and Biomedical Science, La Trobe Institute for Molecular Science (LIMS), La Trobe University, Bendigo, VIC-3550, Australia
| | - Huu Hao Ngo
- Faculty of Engineering, University of Technology Sydney (UTS), PO Box 123, Broadway, NSW, 2007, Australia
| | - Wenshan Guo
- Faculty of Engineering, University of Technology Sydney (UTS), PO Box 123, Broadway, NSW, 2007, Australia
| | - Shukra Raj Puadel
- Department of Civil Engineering, Pulchowk Campus, Institute of Engineering, Tribhuwan University, Pulchowk, Lalitpur, 44700, Nepal; Department of Environmental Engineering, College of Science and Technology, Korea University, Sejong, Republic of Korea.
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8
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Haas E, Carozzi M, Massad RS, Butterbach-Bahl K, Scheer C. Long term impact of residue management on soil organic carbon stocks and nitrous oxide emissions from European croplands. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 836:154932. [PMID: 35447172 DOI: 10.1016/j.scitotenv.2022.154932] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Revised: 03/25/2022] [Accepted: 03/27/2022] [Indexed: 06/14/2023]
Abstract
Application of crop residues to agricultural fields is a significant source of the greenhouse gas nitrous oxide (N2O) and an essential factor affecting the soil organic carbon (SOC) balance. Here we present a biogeochemical modelling study assessing the impact of crop residue management on soil C stocks and N2O fluxes for EU-27 using available information on soils, management and climate and by testing various scenarios of residue management. Three biogeochemical models, i.e. CERES-EGC, LandscapeDNDC and LandscapeDNDC-MeTrx, were used in an ensemble approach on a grid of 0.25° × 0.25° spatial resolution for calculating EU-27 wide inventories of changes in SOC stocks and N2O emissions due to residue management for the years 2000-2100 using different climate change projections (RCP4.5 and RCP8.5). Our results show, that climate change poses a threat to cropping systems in Europe, resulting in potential yield declines, increased N2O emissions and loss of SOC. This highlights the need for adapting crop management to mitigate climate change impacts, e.g. by improved residue management. For a scenario with 100% residues retention and reduced tillage we calculated that in average SOC stocks may increase over 50-100 years by 19-23% under RCP8.5 and RCP4.5. However, complete retention of crop residues also resulted in an increase of soil N2O emissions by 17-30%, so that climate benefits due to increases in SOC stocks were eventually compensated by increased N2O emissions. The long-term EFN2O for residue N incorporation was 1.18% and, thus slightly higher as the 1% value used by IPCC. We conclude that residue management can be an important strategy for mitigating climate change impacts on SOC stocks, though it requires as well improvements in N management for N2O mitigation.
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Affiliation(s)
- Edwin Haas
- Institute of Meteorology and Climate Research, Karlsruhe Institute of Technology, Kreuzeckbahnstrasse 19, 82467 Garmisch-Partenkirchen, Germany.
| | - Marco Carozzi
- Université Paris-Saclay, INRAE, AgroParisTech, UMR SADAPT, 78850 Thiverval-Grignon, France; Université Paris-Saclay, INRAE, AgroParisTech, UMR ECOSYS, 78850 Thiverval-Grignon, France
| | - Raia Silvia Massad
- Université Paris-Saclay, INRAE, AgroParisTech, UMR ECOSYS, 78850 Thiverval-Grignon, France
| | - Klaus Butterbach-Bahl
- Institute of Meteorology and Climate Research, Karlsruhe Institute of Technology, Kreuzeckbahnstrasse 19, 82467 Garmisch-Partenkirchen, Germany
| | - Clemens Scheer
- Institute of Meteorology and Climate Research, Karlsruhe Institute of Technology, Kreuzeckbahnstrasse 19, 82467 Garmisch-Partenkirchen, Germany
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9
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Yang J, Jia X, Ma H, Chen X, Liu J, Shangguan Z, Yan W. Effects of warming and precipitation changes on soil GHG fluxes: A meta-analysis. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 827:154351. [PMID: 35259374 DOI: 10.1016/j.scitotenv.2022.154351] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/11/2021] [Revised: 02/10/2022] [Accepted: 03/02/2022] [Indexed: 06/14/2023]
Abstract
Increased atmospheric greenhouse gas (GHG) concentrations resulting from human activities lead to climate change, including global warming and changes of precipitation patterns worldwide, which in turn would have profound effects on soil GHG emissions. Nonetheless, the impact of the combination of warming and precipitation changes on all three major biogenic GHGs (CO2, CH4 and N2O) has not been synthesized, to build a global synthesis. In this study, we conducted a global meta-analysis concerning the effects of warming and precipitation changes and their interactions on soil GHG fluxes and explored the potential factors by synthesizing 39 published studies worldwide. Across all studies, combination of warming and increased precipitation showed more significant effect on CO2 emissions (24.0%) than the individual effect of warming (8.6%) and increased precipitation (20.8%). Additionally, warming increased N2O emissions (28.3%), and decreased precipitation reduced CO2 (-8.5%) and N2O (-7.1%) emissions, while the combination of warming and decreased precipitation also showed negative effects on CO2 (-7.6%) and N2O (-14.6%) emissions. The interactive effects of warming and precipitation changes on CO2 emissions were usually additive, whereas CO2 and N2O emissions were dominated by synergistic effects under warming and decreased precipitation. Moreover, climate, biome, duration, and season of manipulations also affected soil GHG fluxes as well. Furthermore, we also found the threshold effects of changes in soil temperature and moisture on CO2 and N2O emissions under warming and precipitation changes. The findings indicate that both warming and precipitation changes substantially affect GHG emissions and highlight the urgent need to study the effect of the combination of warming and precipitation changes on C and N cycling under ongoing climate change.
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Affiliation(s)
- Jingyi Yang
- Institute of Soil and Water Conservation, Northwest A&F University, Yangling, Shaanxi 712100, PR China
| | - Xiaoyu Jia
- State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau, Northwest A&F University, Yangling, Shaanxi 712100, PR China
| | - Hongze Ma
- Institute of Soil and Water Conservation, Chinese Academy of Sciences, Yangling, Shaanxi 712100, PR China; University of Chinese Academy of Sciences, Beijing 100049, PR China
| | - Xi Chen
- Institute of Soil and Water Conservation, Northwest A&F University, Yangling, Shaanxi 712100, PR China
| | - Jin Liu
- State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau, Northwest A&F University, Yangling, Shaanxi 712100, PR China
| | - Zhouping Shangguan
- Institute of Soil and Water Conservation, Northwest A&F University, Yangling, Shaanxi 712100, PR China; State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau, Northwest A&F University, Yangling, Shaanxi 712100, PR China; Institute of Soil and Water Conservation, Chinese Academy of Sciences, Yangling, Shaanxi 712100, PR China
| | - Weiming Yan
- Institute of Soil and Water Conservation, Northwest A&F University, Yangling, Shaanxi 712100, PR China; State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau, Northwest A&F University, Yangling, Shaanxi 712100, PR China; Institute of Soil and Water Conservation, Chinese Academy of Sciences, Yangling, Shaanxi 712100, PR China; University of Chinese Academy of Sciences, Beijing 100049, PR China.
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10
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Wang X, Hu HB, Zheng X, Deng WB, Chen JY, Zhang S, Cheng C. Will climate warming of terrestrial ecosystem contribute to increase soil greenhouse gas fluxes in plot experiment? A global meta-analysis. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 827:154114. [PMID: 35231511 DOI: 10.1016/j.scitotenv.2022.154114] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/21/2021] [Revised: 02/15/2022] [Accepted: 02/20/2022] [Indexed: 06/14/2023]
Abstract
One of the main manifestations of global climate change is its profound impact on the emission of greenhouse gases from terrestrial soil. Numerous field warming experiments have explored the effects of different temperature rise intensities and durations on soil greenhouse gas fluxes in the growing season of different terrestrial ecosystems. However, the results were inconsistent due to the variations in vegetation, soil, and climatic conditions in different ecosystems. In the present work, we carried meta-analysis to synthesize 99 datasets from 52 field warming experiments in growing seasons of terrestrial ecosystems to evaluate the response of soil greenhouse gas fluxes to global warming. The results showed that warming greatly stimulated soil CO2 in temperate forest and farmland by 12.64% and 25.57%, respectively, significantly increased soil N2O emissions in grassland (27.23%), farmland (44.33%), and shrubland (223.36%), and increased soil CH4 uptake by 57.81% in grasslands. However, no significant impact on the greenhouse gas fluxes in other ecosystems was observed. Generally, short-and medium-term (≤ 3 years) warming can promote soil greenhouse gas fluxes. Also, low temperature and low-medium temperature (≤ 2 °C) significantly promoted N2O emission and CH4 absorption, and medium temperature (2-4 °C) considerably assisted CO2 flux, but high temperature (> 4 °C) had no significant effect on greenhouse gas flux. Our results demonstrated that soil greenhouse gas fluxes in terrestrial ecosystems during the growing season do not increase linearly with the increasing climate warming, and it is still uncertain whether there is acclimatization to long-term climate warming.
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Affiliation(s)
- Xia Wang
- Co-Innovation Center of Sustainable Forestry in Southern China, Nanjing Forestry University, Nanjing 210037, China; Key Laboratory of Soil and Water Conservation and Ecological Restoration in Jiangsu Province, Nanjing Forestry University, Nanjing 210037, China
| | - Hai-Bo Hu
- Co-Innovation Center of Sustainable Forestry in Southern China, Nanjing Forestry University, Nanjing 210037, China; Key Laboratory of Soil and Water Conservation and Ecological Restoration in Jiangsu Province, Nanjing Forestry University, Nanjing 210037, China.
| | - Xiang Zheng
- Co-Innovation Center of Sustainable Forestry in Southern China, Nanjing Forestry University, Nanjing 210037, China; Key Laboratory of Soil and Water Conservation and Ecological Restoration in Jiangsu Province, Nanjing Forestry University, Nanjing 210037, China
| | - Wen-Bin Deng
- Co-Innovation Center of Sustainable Forestry in Southern China, Nanjing Forestry University, Nanjing 210037, China; Key Laboratory of Soil and Water Conservation and Ecological Restoration in Jiangsu Province, Nanjing Forestry University, Nanjing 210037, China
| | - Jian-Yu Chen
- Co-Innovation Center of Sustainable Forestry in Southern China, Nanjing Forestry University, Nanjing 210037, China; Key Laboratory of Soil and Water Conservation and Ecological Restoration in Jiangsu Province, Nanjing Forestry University, Nanjing 210037, China
| | - Shuai Zhang
- Co-Innovation Center of Sustainable Forestry in Southern China, Nanjing Forestry University, Nanjing 210037, China; Key Laboratory of Soil and Water Conservation and Ecological Restoration in Jiangsu Province, Nanjing Forestry University, Nanjing 210037, China
| | - Can Cheng
- Co-Innovation Center of Sustainable Forestry in Southern China, Nanjing Forestry University, Nanjing 210037, China; Key Laboratory of Soil and Water Conservation and Ecological Restoration in Jiangsu Province, Nanjing Forestry University, Nanjing 210037, China
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11
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Gao H, Tian H, Zhang Z, Xia X. Warming-induced greenhouse gas fluxes from global croplands modified by agricultural practices: A meta-analysis. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 820:153288. [PMID: 35066045 DOI: 10.1016/j.scitotenv.2022.153288] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/06/2021] [Revised: 01/16/2022] [Accepted: 01/16/2022] [Indexed: 06/14/2023]
Abstract
Climate warming increases the emissions of soil greenhouse gases (GHGs) by stimulating carbon (C) and nitrogen (N) processes in terrestrial ecosystems, contributing to climate change. However, the responses of soil GHG fluxes to warming from global agricultural ecosystems remain unknown. Here, we evaluate the effects of warming on soil GHG fluxes from global croplands under different agro-ecosystems, cropping systems, crop species, and N fertilizer levels, and determine the potential mechanisms through a meta-analysis of field observations. The results showed that warming (+2.0 °C on average) significantly enhanced soil carbon dioxide (CO2) emissions (i.e., soil respiration) by 14.7% and nitrous oxide (N2O) fluxes by 12.6% across croplands and increased soil methane (CH4) uptake by 21.8% in uplands and CH4 release by 23.4% in paddy fields. The responses of C gas fluxes to warming were regulated by initial C substrates, initial wetness, and changes in temperature in croplands. The responses of N2O fluxes to warming were mainly associated with changed NH4+-N and NO3--N as well as initial wetness and N fertilizer in croplands. The responses of soil GHG fluxes to warming were generally comparable among different crop species and N fertilizer levels, respectively. However, the responses of CO2 emissions and CH4 release to warming were significantly higher in upland-paddy fields than in uplands and paddy fields; the warming-induced changes in CH4 release was significantly greater in rotation cropping systems than in single- and double-cropping systems. This synthesis highlights the important role of climate warming in increasing soil GHG fluxes from croplands, underscoring the critical need for agricultural practice adjustment to mitigate climate change in the future.
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Affiliation(s)
- Hui Gao
- Key Laboratory of Water and Sediment Sciences of Ministry of Education, State Key Laboratory of Water Environment Simulation, School of Environment, Beijing Normal University, Beijing, China
| | - Hanqin Tian
- International Center for Climate and Global Change Research, School of Forestry and Wildlife Sciences, Auburn University, Auburn, AL, USA
| | - Zhenrui Zhang
- Key Laboratory of Water and Sediment Sciences of Ministry of Education, State Key Laboratory of Water Environment Simulation, School of Environment, Beijing Normal University, Beijing, China
| | - Xinghui Xia
- Key Laboratory of Water and Sediment Sciences of Ministry of Education, State Key Laboratory of Water Environment Simulation, School of Environment, Beijing Normal University, Beijing, China.
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12
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Zhang K, Peng C, Zhu Q, Li M, Yan Z, Li M, Yan L, Zhang X, Wang J, Li Y, Kang E, Song H, Kang X. Estimating natural nitrous oxide emissions from the Qinghai–Tibetan Plateau using a process-based model: Historical spatiotemporal patterns and future trends. Ecol Modell 2022. [DOI: 10.1016/j.ecolmodel.2022.109902] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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13
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Ye M, Zheng W, Yin C, Fan X, Chen H, Gao Z, Zhao Y, Liang Y. The inhibitory efficacy of procyanidin on soil denitrification varies with N fertilizer type applied. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 806:150588. [PMID: 34582856 DOI: 10.1016/j.scitotenv.2021.150588] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/07/2021] [Revised: 08/23/2021] [Accepted: 09/22/2021] [Indexed: 06/13/2023]
Abstract
Denitrification is a major process of the nitrogen (N) cycle by converting nitrate (NO3-) back to gaseous nitrogen (N2), which leads to massive losses of N, including fertilizer N, from agricultural systems. One mitigation strategy for these N losses involves denitrification inhibition by plant-derived biological denitrification inhibitors (BDIs). Procyanidin was recently identified as a new class of BDI in root extracts from Fallopia spp. However, the efficacy of this compound on soil denitrification under different N fertilizer sources is not well understood. Here, a 14-day microcosm experiment was conducted using three nitrate-based fertilizers (NH4NO3, KNO3, and Ca(NO3)2) to investigate the impact of procyanidin on soil denitrification and associated microbial pathways. Results showed that procyanidin inhibited denitrification activity regardless of the source of N fertilizer applied, but the inhibitory efficacy of procyanidin varied with N fertilizer types. Addition of procyanidin had greater denitrification inhibition in the soils applied with NH4NO3 than with other types of N fertilizer. Moreover, nitrate reductase activity was significantly suppressed by procyanidin addition across all three N fertilizers tested. Quantification of denitrifying functional genes (nirS, nirK, and nosZ) demonstrated that procyanidin inhibited the activity and growth of nirS- and nirK-type denitrifiers, but stimulated the growth of nosZI-containing denitrifiers. These findings indicate that the inhibition of soil denitrification by procyanidin was mainly a result of the suppression of nitrate reductase activity and nirS- and nirK-type denitrifiers abundance. The use of procyanidin together with N fertilizers, especially NH4NO3, can be an effective way to reduce the N losses by denitrification.
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Affiliation(s)
- Mujun Ye
- Ministry of Education Key Laboratory of Environment Remediation and Ecological Health, College of Environmental & Resource Sciences, Zhejiang University, Hangzhou 310058, China
| | - Wanning Zheng
- Ministry of Education Key Laboratory of Environment Remediation and Ecological Health, College of Environmental & Resource Sciences, Zhejiang University, Hangzhou 310058, China
| | - Chang Yin
- Ministry of Education Key Laboratory of Environment Remediation and Ecological Health, College of Environmental & Resource Sciences, Zhejiang University, Hangzhou 310058, China
| | - Xiaoping Fan
- Ministry of Education Key Laboratory of Environment Remediation and Ecological Health, College of Environmental & Resource Sciences, Zhejiang University, Hangzhou 310058, China
| | - Hao Chen
- Ministry of Education Key Laboratory of Environment Remediation and Ecological Health, College of Environmental & Resource Sciences, Zhejiang University, Hangzhou 310058, China
| | - Zixiang Gao
- Ministry of Education Key Laboratory of Environment Remediation and Ecological Health, College of Environmental & Resource Sciences, Zhejiang University, Hangzhou 310058, China
| | - Yuhua Zhao
- College of Life Sciences, Zhejiang University, Hangzhou 310058, China
| | - Yongchao Liang
- Ministry of Education Key Laboratory of Environment Remediation and Ecological Health, College of Environmental & Resource Sciences, Zhejiang University, Hangzhou 310058, China.
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14
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Chen Z, Tu X, Meng H, Chen C, Chen Y, Elrys AS, Cheng Y, Zhang J, Cai Z. Microbial process-oriented understanding of stimulation of soil N 2O emission following the input of organic materials. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2021; 284:117176. [PMID: 33901983 DOI: 10.1016/j.envpol.2021.117176] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/23/2021] [Revised: 03/31/2021] [Accepted: 04/14/2021] [Indexed: 05/15/2023]
Abstract
Although crop residue return increases upland soil emissions of nitrous oxide (N2O), a potent greenhouse gas, the mechanisms responsible for the increase remain unclear. Here, we investigate N2O emission pathways, gross nitrogen (N)-cycling rates, and associated N-cycling gene abundances in an upland soil following the addition of various organic material under aerobic incubation using a combination of 15N tracing technique, acetylene (C2H2) inhibition, and real-time PCR (qPCR) methods. Increased total N2O emissions following organic material amendment was attributed to both increased nitrification-derived N2O emissions, following increased ammonia-oxidizing bacteria (AOB)-amoA abundance, and denitrification-derived N2O emissions, following increased nirS and decreased nosZ abundance. Increasing plant residue carbon (C)/N ratio decreased total N2O emissions by decreasing the contribution of denitrification to N2O emissions, potentially due to higher proportions of denitrified N emitted as N2O than nitrified N emitted as N2O. We further propose a novel conceptual framework for organic material input effects on denitrification-derived N2O emissions based on the decomposable characteristics of the added organic material. For slowly decomposing organic materials (e.g., plant residue) with insufficient available C, NO3--N immobilization surpassed denitrification, resulting in gradual decrease in denitrification-derived N2O emissions with an increase in mineralization of plant residue C losses. In contrast, available C provided by readily available C sources (e.g., glucose) seemed sufficient to support the co-occurrence of NO3--N immobilization and denitrification. Overall, for the first time, we offer a microbial process perspective of N2O emissions following organic material input. The findings could facilitate the improvement of process-orientated models of N2O emissions and the formulation of appropriate N2O mitigation strategies for crop residue-amended soils.
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Affiliation(s)
- Zhaoxiong Chen
- School of Geography, Nanjing Normal University, Nanjing, 210023, China
| | - Xiaoshun Tu
- School of Geography, Nanjing Normal University, Nanjing, 210023, China
| | - Han Meng
- School of Environment, Nanjing Normal University, Nanjing, 210023, China
| | - Chen Chen
- School of Geography, Nanjing Normal University, Nanjing, 210023, China
| | - Yuejun Chen
- School of Geography, Nanjing Normal University, Nanjing, 210023, China
| | - Ahmed S Elrys
- School of Geography, Nanjing Normal University, Nanjing, 210023, China; Soil Science Department, Faculty of Agriculture, Zagazig University, 44511, Zagazig, Egypt
| | - Yi Cheng
- School of Geography, Nanjing Normal University, Nanjing, 210023, China; Jiangsu Center for Collaborative Innovation in Geographical Information Resource Development and Application, Nanjing, 210023, China; Key Laboratory of Virtual Geographic Environment (Nanjing Normal University), Ministry of Education, Nanjing, 210023, China.
| | - Jinbo Zhang
- School of Geography, Nanjing Normal University, Nanjing, 210023, China; Jiangsu Center for Collaborative Innovation in Geographical Information Resource Development and Application, Nanjing, 210023, China; Key Laboratory of Virtual Geographic Environment (Nanjing Normal University), Ministry of Education, Nanjing, 210023, China
| | - Zucong Cai
- School of Geography, Nanjing Normal University, Nanjing, 210023, China; Jiangsu Engineering Research Center for Soil Utilization & Sustainable Agriculture, Nanjing, 210023, China; Jiangsu Provincial Key Laboratory of Materials Cycling and Pollution Control, Nanjing, 210023, China
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15
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Zhang B, Xu Q, Gao D, Wang T, Sui M, Huang J, Gu B, Liu F, Jiang J. Soil capacity of intercepting different rainfalls across subtropical plantation: Distinct effects of plant and soil properties. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 784:147120. [PMID: 34088041 DOI: 10.1016/j.scitotenv.2021.147120] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/27/2021] [Revised: 04/08/2021] [Accepted: 04/09/2021] [Indexed: 06/12/2023]
Abstract
Forest management practices play an important role in soil water conservation. However, the soil water-holding capacity and associated drivers under different management practices remain uncertain, especially when the precipitation varies substantially at the regional scale. Here, we used hydrogen stable isotope to explore the contribution of rainfall to soil water (CRSW) under light, moderate and heavy precipitation in Pinus massoniana plantations with multiple management practices (pure stand, mixed stand, understory removal, light-intensity thinning and high-intensity thinning) in subtropical China. We further used variation partitioning analysis and structural equation modeling to identify the dominant driver affecting CRSW. Our results showed that after light rainfall, the highest CRSW (28.7%) was found in the high-intensity thinning plantation. However, after heavy rainfall, the high-intensity thinning plantation received the lowest CRSW (43.3%), while the mixed stand showed the highest CRSW (67.1%). These results demonstrated that the mixed stand of P. massoniana had a stronger capacity for soil water conservation, whereas high-intensity thinning showed poorer capacity. Furthermore, our results revealed that plant properties (i.e., tree, root and litter biomass) were the dominant controls of the CRSW under light rainfall, while soil properties (i.e., bulk density, total porosity, field capacity) were the primary drivers under moderate and heavy rainfall, indicating that the determinants influencing plantation capacity for intercepting rainfall vary with different levels of precipitation. These results highlight the importance of the level of precipitation in determining the dominant driver of CRSW. More importantly, these results suggest that the mixed stand, rather than high-intensity thinning, was better forest management since the former has a higher capacity for intercepting heavy rainfall.
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Affiliation(s)
- Beibei Zhang
- Key Laboratory of Forest Ecology and Environment of National Forestry and Grassland Administration, Research Institute of Forest Ecology, Environment and Protection, Chinese Academy of Forestry, Beijing 100091, China
| | - Qing Xu
- Key Laboratory of Forest Ecology and Environment of National Forestry and Grassland Administration, Research Institute of Forest Ecology, Environment and Protection, Chinese Academy of Forestry, Beijing 100091, China.
| | - Deqiang Gao
- Key Laboratory of Forest Ecology and Environment of National Forestry and Grassland Administration, Research Institute of Forest Ecology, Environment and Protection, Chinese Academy of Forestry, Beijing 100091, China
| | - Ting Wang
- Key Laboratory of Forest Ecology and Environment of National Forestry and Grassland Administration, Research Institute of Forest Ecology, Environment and Protection, Chinese Academy of Forestry, Beijing 100091, China
| | - Mingzhen Sui
- Key Laboratory of Forest Ecology and Environment of National Forestry and Grassland Administration, Research Institute of Forest Ecology, Environment and Protection, Chinese Academy of Forestry, Beijing 100091, China
| | - Jin Huang
- Research Institute of Forestry, Chinese Academy of Forestry, Beijing 100091, China
| | - Binhe Gu
- Soil and Water Sciences Department, University of Florida, Gainesville, FL 32603, USA
| | - Futing Liu
- Research Institute of Forestry, Chinese Academy of Forestry, Beijing 100091, China
| | - Jing Jiang
- University of Calgary, Calgary T2N1N4, Canada
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16
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Qiu Y, Guo L, Xu X, Zhang L, Zhang K, Chen M, Zhao Y, Burkey KO, Shew HD, Zobel RW, Zhang Y, Hu S. Warming and elevated ozone induce tradeoffs between fine roots and mycorrhizal fungi and stimulate organic carbon decomposition. SCIENCE ADVANCES 2021; 7:7/28/eabe9256. [PMID: 34244138 PMCID: PMC8270489 DOI: 10.1126/sciadv.abe9256] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/24/2020] [Accepted: 05/27/2021] [Indexed: 05/19/2023]
Abstract
Climate warming and elevated ozone (eO3) are important climate change components that can affect plant growth and plant-microbe interactions. However, the resulting impact on soil carbon (C) dynamics, as well as the underlying mechanisms, remains unclear. Here, we show that warming, eO3, and their combination induce tradeoffs between roots and their symbiotic arbuscular mycorrhizal fungi (AMF) and stimulate organic C decomposition in a nontilled soybean agroecosystem. While warming and eO3 reduced root biomass, tissue density, and AMF colonization, they increased specific root length and promoted decomposition of both native and newly added organic C. Also, they shifted AMF community composition in favor of the genus Paraglomus with high nutrient-absorbing hyphal surface over the genus Glomus prone to protection of soil organic C. Our findings provide deep insights into plant-microbial interactive responses to warming and eO3 and how these responses may modulate soil organic C dynamics under future climate change scenarios.
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Affiliation(s)
- Yunpeng Qiu
- Department of Entomology and Plant Pathology, North Carolina State University, Raleigh, NC 27695, USA
- College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210095, China
| | - Lijin Guo
- Department of Entomology and Plant Pathology, North Carolina State University, Raleigh, NC 27695, USA
- Key Laboratory of Genetics and Germplasm Innovation of Tropical Special Forest Trees and Ornamental Plants, Ministry of Education, College of Forestry, Hainan University, Haikou, Hainan 570228, China
| | - Xinyu Xu
- College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210095, China
| | - Lin Zhang
- College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210095, China
| | - Kangcheng Zhang
- College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210095, China
| | - Mengfei Chen
- College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210095, China
| | - Yexin Zhao
- College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210095, China
| | - Kent O Burkey
- Plant Sciences Research Unit, USDA-ARS, Raleigh, NC 27607, USA
- Department of Crop and Soil Sciences, North Carolina State University, Raleigh, NC 27695, USA
| | - H David Shew
- Department of Entomology and Plant Pathology, North Carolina State University, Raleigh, NC 27695, USA
| | - Richard W Zobel
- Department of Crop and Soil Sciences, North Carolina State University, Raleigh, NC 27695, USA
| | - Yi Zhang
- College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210095, China.
| | - Shuijin Hu
- Department of Entomology and Plant Pathology, North Carolina State University, Raleigh, NC 27695, USA.
- College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210095, China
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17
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Wang X, Li Y, Waqas MA, Wang B, Hassan W, Qin X. Divergent terrestrial responses of soil N
2
O emissions to different levels of elevated CO
2
and temperature. OIKOS 2021. [DOI: 10.1111/oik.07738] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Xiaohan Wang
- Inst. of Environment and Sustainable Development in Agriculture, Chinese Academy of Agricultural Sciences
- Shanghai Academy of Landscape Architecture Science and Planning and Shanghai Engineering Research Center of Landscaping on Challenging Urban Sites Shanghai China
| | - Yu'e Li
- Inst. of Environment and Sustainable Development in Agriculture, Chinese Academy of Agricultural Sciences
- Key Laboratory of Agricultural Environment, Ministry of Agriculture and Rural Affairs Beijing China
| | - Muhammad Ahmed Waqas
- Inst. of Environment and Sustainable Development in Agriculture, Chinese Academy of Agricultural Sciences
| | - Bin Wang
- Inst. of Environment and Sustainable Development in Agriculture, Chinese Academy of Agricultural Sciences
| | - Waseem Hassan
- Inst. of Environment and Sustainable Development in Agriculture, Chinese Academy of Agricultural Sciences
| | - Xiaobo Qin
- Inst. of Environment and Sustainable Development in Agriculture, Chinese Academy of Agricultural Sciences
- Key Laboratory of Agricultural Environment, Ministry of Agriculture and Rural Affairs Beijing China
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18
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Wang Q, Li Z, Li X, Ping Q, Yuan X, Agathokleous E, Feng Z. Interactive effects of ozone exposure and nitrogen addition on the rhizosphere bacterial community of poplar saplings. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 754:142134. [PMID: 33254895 DOI: 10.1016/j.scitotenv.2020.142134] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/22/2020] [Revised: 08/29/2020] [Accepted: 08/31/2020] [Indexed: 06/12/2023]
Abstract
It is widely documented that elevated ground-level ozone (O3) has negative effects on tree physiological characteristics, and in return, affects forest ecosystem function. However, the effect may be modified by soil nitrogen (N) availability. Numerous studies have focused on the aboveground part of trees under elevated O3 alone or in combination with soil N; however, little is known about the response of soil bacterial communities. Here, we investigated the effects of O3 (charcoal-filtered air, CF, versus ambient air +40 ppb of O3, E-O3), N addition (0 kg ha-1 yr-1, N0, versus 200 kg ha-1 yr-1, N200), and their combination on rhizosphere soil bacterial communities of hybrid poplar, using an MiSeq targeted amplicon sequencing of the bacterial 16S rRNA gene. E-O3 significantly decreased bacterial abundance, and N200 significantly decreased the α-diversity. The negative impacts of N200 on α-diversity were alleviated by E-O3. Nitrogen and E-O3-N200 combination altered bacterial community composition, with a significant increase in the relative abundance of Proteobacteria and Bacteroidetes and a decrease in the abundance of Firmicutes. From an ecological network analysis, E-O3, alone and in combination with N200, complicated the co-occurrence network of bacterial communities by inducing a microbial survival strategy, shifting the hub species from RB41 to Bacillus and Blastococcus. Conversely, N200 led to simplification and decentralization of the co-occurrence network. These findings demonstrate that the rhizosphere bacterial communities exhibit divergent responses to E-O3 and N200, suggesting the need to consider the stability of the belowground ecosystem to optimize plantation management in response to environmental changes.
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Affiliation(s)
- Qi Wang
- Key Laboratory of Agrometeorology of Jiangsu Province, School of Applied Meteorology, Nanjing University of Information Science & Technology, Nanjing 210044, China
| | - Zhengzhen Li
- State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Shuangqing Road 18, Haidian District, Beijing 100085, China
| | - Xuewei Li
- Key Laboratory of Agrometeorology of Jiangsu Province, School of Applied Meteorology, Nanjing University of Information Science & Technology, Nanjing 210044, China
| | - Qin Ping
- State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Shuangqing Road 18, Haidian District, Beijing 100085, China
| | - Xiangyang Yuan
- State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Shuangqing Road 18, Haidian District, Beijing 100085, China
| | - Evgenios Agathokleous
- Key Laboratory of Agrometeorology of Jiangsu Province, School of Applied Meteorology, Nanjing University of Information Science & Technology, Nanjing 210044, China
| | - Zhaozhong Feng
- Key Laboratory of Agrometeorology of Jiangsu Province, School of Applied Meteorology, Nanjing University of Information Science & Technology, Nanjing 210044, China.
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19
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Hu Y, Jiang H, Wang F, Xu Z, Chen Y, Ma S, Yan Y, Lu X. Opposite responses of global warming potential to ammonium and nitrate addition in an alpine steppe soil from Northern Tibet. Glob Ecol Conserv 2020. [DOI: 10.1016/j.gecco.2020.e01115] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
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Agathokleous E, Feng Z, Oksanen E, Sicard P, Wang Q, Saitanis CJ, Araminiene V, Blande JD, Hayes F, Calatayud V, Domingos M, Veresoglou SD, Peñuelas J, Wardle DA, De Marco A, Li Z, Harmens H, Yuan X, Vitale M, Paoletti E. Ozone affects plant, insect, and soil microbial communities: A threat to terrestrial ecosystems and biodiversity. SCIENCE ADVANCES 2020; 6:eabc1176. [PMID: 32851188 PMCID: PMC7423369 DOI: 10.1126/sciadv.abc1176] [Citation(s) in RCA: 123] [Impact Index Per Article: 30.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/07/2020] [Accepted: 06/29/2020] [Indexed: 05/03/2023]
Abstract
Elevated tropospheric ozone concentrations induce adverse effects in plants. We reviewed how ozone affects (i) the composition and diversity of plant communities by affecting key physiological traits; (ii) foliar chemistry and the emission of volatiles, thereby affecting plant-plant competition, plant-insect interactions, and the composition of insect communities; and (iii) plant-soil-microbe interactions and the composition of soil communities by disrupting plant litterfall and altering root exudation, soil enzymatic activities, decomposition, and nutrient cycling. The community composition of soil microbes is consequently changed, and alpha diversity is often reduced. The effects depend on the environment and vary across space and time. We suggest that Atlantic islands in the Northern Hemisphere, the Mediterranean Basin, equatorial Africa, Ethiopia, the Indian coastline, the Himalayan region, southern Asia, and Japan have high endemic richness at high ozone risk by 2100.
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Affiliation(s)
- Evgenios Agathokleous
- Key Laboratory of Agrometeorology of Jiangsu Province, Institute of Ecology, School of Applied Meteorology, Nanjing University of Information Science and Technology, Nanjing 210044, China
| | - Zhaozhong Feng
- Key Laboratory of Agrometeorology of Jiangsu Province, Institute of Ecology, School of Applied Meteorology, Nanjing University of Information Science and Technology, Nanjing 210044, China
| | - Elina Oksanen
- Department of Environmental and Biological Sciences, University of Eastern Finland, POB 111, 80101 Joensuu, Finland
| | - Pierre Sicard
- ARGANS, 260 route du Pin Montard, 06410 Biot, France
| | - Qi Wang
- Key Laboratory of Agrometeorology of Jiangsu Province, Institute of Ecology, School of Applied Meteorology, Nanjing University of Information Science and Technology, Nanjing 210044, China
| | - Costas J. Saitanis
- Lab of Ecology and Environmental Science, Agricultural University of Athens, Iera Odos 75, Athens 11855, Greece
| | - Valda Araminiene
- Institute of Forestry, Lithuanian Research Centre for Agriculture and Forestry, Girionys 53101 Kaunas District, Lithuania
| | - James D. Blande
- Department of Environmental and Biological Sciences, University of Eastern Finland, P.O. Box 1627, FI-70211 Kuopio, Finland
| | - Felicity Hayes
- UK Centre for Ecology and Hydrology, Environment Centre Wales, Deiniol Road, Bangor, Gwynedd LL57 2UW, UK
| | - Vicent Calatayud
- Fundación CEAM, c/Charles R. Darwin 14, Parque Tecnológico, Paterna, Valencia 46980, Spain
| | - Marisa Domingos
- Instituto de Botânica, Núcleo de Pesquisa em Ecologia, PO Box 68041, 04045-972 São Paulo, Brazil
| | - Stavros D. Veresoglou
- Freie Universität Berlin-Institut für Biologie, Dahlem Center of Plant Sciences, Plant Ecology, Berlin, Germany
| | - Josep Peñuelas
- Consejo Superior de Investigaciones Científicas, Global Ecology Unit CREAF-CSIC-UAB, Bellaterra, Catalonia E-08193, Spain
- CREAF, Cerdanyola del Vallès, Catalonia E-08193, Spain
| | - David A. Wardle
- Asian School of the Environment, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798, Singapore
| | - Alessandra De Marco
- Italian National Agency for New Technologies, Energy and the Environment (ENEA), C.R. Casaccia, S. Maria di Galeria, Rome I-00123, Italy
| | - Zhengzhen Li
- State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Shuangqing Road 18, Haidian District, Beijing 100085, China
| | - Harry Harmens
- UK Centre for Ecology and Hydrology, Environment Centre Wales, Deiniol Road, Bangor, Gwynedd LL57 2UW, UK
| | - Xiangyang Yuan
- State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Shuangqing Road 18, Haidian District, Beijing 100085, China
| | - Marcello Vitale
- Department of Environmental Biology, Sapienza University of Rome, Piazzale Aldo Moro 5, Rome I-00185, Italy
| | - Elena Paoletti
- Institute of Research on Terrestrial Ecosystems (IRET), National Research Council of Italy (CNR), Via Madonna del Piano 10, I-50019 Sesto Fiorentino, Italy
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Warming Increases Nitrous Oxide Emission from the Littoral Zone of Lake Poyang, China. SUSTAINABILITY 2020. [DOI: 10.3390/su12145674] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Littoral wetlands are globally important for sustainable development; however, they have recently been identified as critical hotspots of nitrous oxide (N2O) emissions. N2O flux from subtropical littoral wetlands remains unclear, especially under the current global warming environment. In the littoral zone of Lake Poyang, a simulated warming experiment was conducted to investigate N2O flux. Open-top chambers were used to raise temperature, and the static chamber-gas chromatograph method was used to measure N2O flux. Results showed that the littoral zone of Lake Poyang was an N2O source, with an average flux rate of 8.9 μg N2O m−2 h−1. Warming significantly increased N2O emission (13.8 μg N2O m−2 h−1 under warming treatment) by 54% compared to the control treatment. N2O flux in the spring growing season was also significantly higher than that of the autumn growing season. In addition, temperature was not significantly related to N2O flux, while soil moisture only explained about 7% of N2O variation. These results imply that N2O emission experiences positive feedback effect on the ongoing warming of the climate, and abiotic factors (e.g., soil temperature and soil moisture) were not main controls on N2O variation in this littoral wetland.
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Wang Y, Hu Z, Shang D, Xue Y, Islam ARMT, Chen S. Effects of warming and elevated O 3 concentrations on N 2O emission and soil nitrification and denitrification rates in a wheat-soybean rotation cropland. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2020; 257:113556. [PMID: 31796311 DOI: 10.1016/j.envpol.2019.113556] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/10/2019] [Revised: 10/31/2019] [Accepted: 10/31/2019] [Indexed: 06/10/2023]
Abstract
The effects of warming and elevated ozone (O3) concentrations on nitrous oxide (N2O) emission from cropland has received increasing attention; however, the small number of studies on this topic impedes understanding. A field experiment was performed to explore the role of warming and elevated O3 concentrations on N2O emission from wheat-soybean rotation cropland from 2012 to 2013 using open-top chambers (OTCs). Experimental treatments included ambient temperature (control), elevated temperature (+2 °C), elevated O3 (100 ppb), and combined elevated temperature (+2 °C) and O3 (100 ppb). Results demonstrate that warming significantly increased the accumulative amount of N2O (AAN) emitted from the soil-winter wheat system due to enhanced nitrification rates in the wheat farmland and nitrate reductase activity in wheat leaves. However, elevated O3 concentrations significantly decreased AAN emission from the soil-soybean system owing to reduced nitrification rates in the soybean farmland. The combined treatment of warming and elevated O3 inhibited the emission of N2O from the soybean farmland. Additionally, both the warming and combined treatments significantly increased soil nitrification rates in winter wheat and soybean croplands and decreased denitrification rates in the winter wheat cropping system. Our results suggest that global warming and elevated O3 concentrations will strongly affect N2O emission from wheat-soybean rotation croplands.
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Affiliation(s)
- Yuanyuan Wang
- Collaborative Innovation Center on Forecast and Evaluation of Meteorological Disasters, School of Applied Meteorology, Nanjing University of Information Science & Technology, Nanjing 210044, China
| | - Zhenghua Hu
- Collaborative Innovation Center on Forecast and Evaluation of Meteorological Disasters, School of Applied Meteorology, Nanjing University of Information Science & Technology, Nanjing 210044, China.
| | - Dongyao Shang
- Collaborative Innovation Center on Forecast and Evaluation of Meteorological Disasters, School of Applied Meteorology, Nanjing University of Information Science & Technology, Nanjing 210044, China
| | - Ying Xue
- Collaborative Innovation Center on Forecast and Evaluation of Meteorological Disasters, School of Applied Meteorology, Nanjing University of Information Science & Technology, Nanjing 210044, China
| | - A R M Towfiqul Islam
- Department of Disaster Management, Disaster Management E-Learning Centre, Begum Rokeya University, Rangpur 5400, Bangladesh
| | - Shutao Chen
- Collaborative Innovation Center on Forecast and Evaluation of Meteorological Disasters, School of Applied Meteorology, Nanjing University of Information Science & Technology, Nanjing 210044, China
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Qiu Y, Jiang Y, Guo L, Zhang L, Burkey KO, Zobel RW, Reberg-Horton SC, Shew HD, Hu S. Shifts in the Composition and Activities of Denitrifiers Dominate CO 2 Stimulation of N 2O Emissions. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2019; 53:11204-11213. [PMID: 31465213 DOI: 10.1021/acs.est.9b02983] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/02/2023]
Abstract
Elevated atmospheric CO2 (eCO2) often increases soil N2O emissions, but the underlying mechanisms remain largely unknown. One hypothesis suggests that high N2O emissions may stem from increased denitrification induced by CO2 enhancement of plant carbon (C) allocation belowground. However, direct evidence illustrating linkages among N2O emissions, plant C allocation, and denitrifying microbes under eCO2 is still lacking. We examined the impact of eCO2 on plant C allocation to roots and their associated arbuscular mycorrhizal fungi and its subsequent effects on N2O emissions and denitrifying microbes in the presence of two distinct N sources, ammonium nitrogen (NH4+-N) and nitrate nitrogen (NO3--N). Our results showed that the form of the N inputs dominated the effects of eCO2 on N2O emissions: eCO2 significantly increased N2O emissions with NO3--N inputs but had no effect with NH4+-N inputs. eCO2 increased plant biomass N more with NH4+-N than with NO3--N inputs, likely reducing microbial access to available N under NH4+-N inputs and/or contributing to higher N2O emissions under NO3--N inputs. eCO2 enhanced root and mycorrhizal N uptake and also increased N2O emissions under NO3--N inputs. Further, eCO2 enhancement of N2O emissions under NO3--N inputs concurred with a shift in the soil denitrifier community composition in favor of N2O-producing (nirK- and nirS-type) over N2O-consuming (nosZ-type) denitrifiers. Together, these results indicate that eCO2 stimulated N2O emissions mainly through altering plant N preference in favor of NH4+ over NO3- and thus stimulating soil denitrifiers and their activities. These findings suggest that effective management of N sources may mitigate N2O emissions by negating the eCO2 stimulation of soil denitrifying microbes and their activities.
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Affiliation(s)
| | | | - Lijin Guo
- Institute of Tropical Agriculture and Forestry , Hainan University , Haikou , Hainan 570228 , China
| | | | - Kent O Burkey
- USDA-ARS , Plant Sciences Research Unit , Raleigh , North Carolina 27607 , United States
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