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Tomazelli D, Klauberg-Filho O, Mendes LW, Goss-Souza D. The impact of land-use changes and management intensification on bacterial communities in the last decade: a review. Appl Environ Microbiol 2024:e0030924. [PMID: 38874336 DOI: 10.1128/aem.00309-24] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/15/2024] Open
Abstract
In the last decade, advances in soil bacterial ecology have contributed to increasing agricultural production. Brazil is the world leading agriculture producer and leading soil biodiversity reservoir. Meanwhile, there is still a significant gap in the knowledge regarding the soil microscopic life and its interactions with agricultural practices, and the replacement of natural vegetation by agroecosystems is yet to be unfolded. Through high throughput DNA sequencing, scientists are now exploring the complexity of soil bacterial communities and their relationship with soil and environmental characteristics. This study aimed to investigate the progress of bacterial ecology studies in Brazil over the last 10 years, seeking to understand the effect of the conversion of natural vegetation in agricultural systems on the diversity and structure of the soil microbial communities. We conducted a systematic search for scientific publication databases. Our systematic search has matched 62 scientific articles from three different databases. Most of the studies were placed in southeastern and northern Brazil, with no records of studies about microbial ecology in 17 out of 27 Brazilian states. Out of the 26 studies that examined the effects of replacing natural vegetation with agroecosystems, most authors concluded that changes in soil pH and vegetation cover replacement were the primary drivers of shifts in microbial communities. Understanding the ecology of the bacteria inhabiting Brazilian soils in agroecosystems is paramount for developing more efficient soil management strategies and cleaner agricultural technologies.
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Affiliation(s)
- Daniela Tomazelli
- Department of Soils and Natural Resources, Santa Catarina State University, Lages, Santa Catarina, Brazil
| | - Osmar Klauberg-Filho
- Department of Soils and Natural Resources, Santa Catarina State University, Lages, Santa Catarina, Brazil
| | - Lucas William Mendes
- Center for Nuclear Energy in Agriculture, University of São Paulo, Piracicaba, São Paulo, Brazil
| | - Dennis Goss-Souza
- College of Agronomy, Federal Institute of Paraná, Palmas, Paraná, Brazil
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Ibarr MA, Zanatta JA, Dieckow J, Ribeiro RH, Schirmann J, Rachwal MFG, Stahl J, Simon PL. Nitrous oxide and methane emissions from a Ferralsol as affected by loblolly pine cultivation time in subtropical Brazil. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 903:166471. [PMID: 37625718 DOI: 10.1016/j.scitotenv.2023.166471] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/25/2022] [Revised: 08/16/2023] [Accepted: 08/19/2023] [Indexed: 08/27/2023]
Abstract
We hypothesized that the age of loblolly pine stands influences soil methane (CH4) and nitrous oxide (N2O) emissions. This is a relevant topic to be studied in subtropical Brazil, where the pine plantation area is increasing considerably. We evaluated N2O and CH4 emissions for two years in a Ferralsol under loblolly pine (Pinus taeda L.) stands of 1, 9 and 18 year-olds and a native forest (NF). We calculated the net CO2eq emission by considering the N2O and CH4 emissions from soil and the carbon (C) accumulation as litter in the forest floor. The soil N2O emission reduced gradually over the loblolly pine cultivation years, whereas CH4 uptake rates showed no clear pattern. Soil N2O emission showed a positive relationship with soil temperature in NF, and with soil ammonium and nitrate intensities in the pine stands. Soil CH4 uptake was inversely related to water-filled pore space in the pine stands, but this relationship was not observed in NF. The soil CH4 uptake rate was 4.6 times higher (p < 0.10) in NF than the average uptake in loblolly pine stands. On the other hand, soil N2O emissions in 9 and 18-year-old stands were similar (p > 0.10) to those in NF (1.3 kg N ha-1 yr-1). Our results suggest that cultivation with loblolly pine for 18 years can reduce soil N2O emission, and the uptake of CH4 in this system offsets 17 % of N2O emissions. Furthermore, the C accumulation as litter in the forest floor of the mature pine stands (9- and 18-year-old) generated a net emission of -1.6 Mg CO2eq ha-1 yr-1, showing to be an expressive offsetting mechanism. Therefore, we conclude that aged loblolly forests can reach N2O emissions levels comparable to those of NF, and the C sequestration in these forests floor can significantly contribute to offset N2O emissions and act as sink for net atmospheric CO2eq.
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Affiliation(s)
- Mariana Alves Ibarr
- Departamento de Solos e Engenharia Agrícola/Programa de Pós-Graduação em Ciência do Solo, Universidade Federal do Paraná, Rua dos Funcionários 1540, Bairro Cabral, 80035-050, Curitiba, PR, Brazil
| | | | - Jeferson Dieckow
- Departamento de Solos e Engenharia Agrícola/Programa de Pós-Graduação em Ciência do Solo, Universidade Federal do Paraná, Rua dos Funcionários 1540, Bairro Cabral, 80035-050, Curitiba, PR, Brazil
| | - Ricardo Henrique Ribeiro
- Departamento de Solos e Engenharia Agrícola/Programa de Pós-Graduação em Ciência do Solo, Universidade Federal do Paraná, Rua dos Funcionários 1540, Bairro Cabral, 80035-050, Curitiba, PR, Brazil
| | - Janquieli Schirmann
- Embrapa Florestas, Estrada da Ribeira km 111, 83411-000, Colombo, PR, Brazil
| | | | - James Stahl
- Klabin S.A., Unidade Monte Alegre, Telêmaco Borba, PR 84275-000, Brazil
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Osburn ED, Moon C, Stephenson T, Kittipalawattanapol K, Jones M, Strickland MS, Lynch LM. Disturbance of eucalypt forests alters the composition, function, and assembly of soil microbial communities. FEMS Microbiol Ecol 2023; 99:fiad085. [PMID: 37481693 DOI: 10.1093/femsec/fiad085] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2023] [Revised: 07/06/2023] [Accepted: 07/21/2023] [Indexed: 07/24/2023] Open
Abstract
Forest disturbance has well-characterized effects on soil microbial communities in tropical and northern hemisphere ecosystems, but little is known regarding effects of disturbance in temperate forests of the southern hemisphere. To address this question, we collected soils from intact and degraded Eucalyptus forests along an east-west transect across Tasmania, Australia, and characterized prokaryotic and fungal communities using amplicon sequencing. Forest degradation altered soil microbial community composition and function, with consistent patterns across soil horizons and regions of Tasmania. Responses of prokaryotic communities included decreased relative abundance of Acidobacteriota, nitrifying archaea, and methane-oxidizing prokaryotes in the degraded forest sites, while fungal responses included decreased relative abundance of some saprotrophic taxa (e.g. litter saprotrophs). Forest degradation also reduced network connectivity in prokaryotic communities and increased the importance of dispersal limitation in assembling both prokaryotic and fungal communities, suggesting recolonization dynamics drive microbial composition following disturbance. Further, changes in microbial functional groups reflected changes in soil chemical properties-reductions in nitrifying microorganisms corresponded with reduced NO3-N pools in the degraded soils. Overall, our results show that soil microbiota are highly responsive to forest degradation in eucalypt forests and demonstrate that microbial responses to degradation will drive changes in key forest ecosystem functions.
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Affiliation(s)
- Ernest D Osburn
- Department of Soil and Water Systems, University of Idaho, 875 Perimeter Dr. MS 2340, Moscow, ID 83844, USA
| | - Cooper Moon
- Department of Environmental Science, University of Idaho, 875 Perimeter Dr. MS 1139, Moscow, ID 83844, USA
| | - Torrey Stephenson
- Department of Soil and Water Systems, University of Idaho, 875 Perimeter Dr. MS 2340, Moscow, ID 83844, USA
| | - Kawinwit Kittipalawattanapol
- School of Natural Sciences, University of Tasmania, Life Sciences Building, Biological Sciences, Hobart, Tasmania 7001, Australia
| | - Menna Jones
- School of Natural Sciences, University of Tasmania, Life Sciences Building, Biological Sciences, Hobart, Tasmania 7001, Australia
| | - Michael S Strickland
- Department of Soil and Water Systems, University of Idaho, 875 Perimeter Dr. MS 2340, Moscow, ID 83844, USA
| | - Laurel M Lynch
- Department of Soil and Water Systems, University of Idaho, 875 Perimeter Dr. MS 2340, Moscow, ID 83844, USA
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Qin H, Cai R, Wang Y, Deng X, Chen J, Xing J. Intensive management facilitates bacterial invasion on soil microbial community. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2023; 340:117963. [PMID: 37105104 DOI: 10.1016/j.jenvman.2023.117963] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/23/2023] [Revised: 04/10/2023] [Accepted: 04/15/2023] [Indexed: 05/12/2023]
Abstract
Intensive management has greatly altered natural forests, especially forests around the world are increasingly being converted into economic plantations. Soil microbiota are critical for community functions in all ecosystems, but the effects of microbial disturbance during economic plantation remain unclear. Here, we used Escherichia coli O157:H7, a model pathogenic species for bacterial invasion, to assess the invasion impacts on the soil microbial community under intensive management. The E. coli invasion was tracked for 135 days to explore the instant and legacy impacts on the resident community. Our results showed that bamboo economic plantations altered soil abiotic and biotic properties, especially increasing pH and community diversity. Higher pH in bamboo soils resulted in longer pathogen survivals than in natural hardwood soils, indicating that pathogen suppression during intensive management should arouse our attention. A longer invasion legacy effect on the resident community (P < 0.05) were found in bamboo soils underlines the need to quantify the soil resilience even when the invasion was unsuccessful. Deterministic processes drove community assembly in bamboo plantations, and this selection acted more strongly during by E. coli invasion than in hardwood soils. We also showed more associated co-occurrence patterns in bamboo plantations, suggesting more complex potential interactions within the microbial community. Apart from community structure, community functions are also strongly related to the resident species associated with invaders. These findings provide new perspectives to understand intensive management facilitates the bacterial invasion, and the impacts would leave potential risks on environmental and human health.
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Affiliation(s)
- Hua Qin
- State Key Laboratory of Subtropical Silviculture, Zhejiang A&F University, Hangzhou, 311300, China; College of Environmental and Resource Sciences, Zhejiang A&F University, Hangzhou, 311300, China
| | - Ruihang Cai
- Zhejiang Institute of Subtropical Crops, Zhejiang Academy of Agricultural Sciences, Wenzhou, 310021, China
| | - Yanan Wang
- Zhejiang Institute of Subtropical Crops, Zhejiang Academy of Agricultural Sciences, Wenzhou, 310021, China
| | - Xuhui Deng
- Jiangsu Provincial Key Lab of Solid Organic Waste Utilization, Nanjing Agricultural University, Nanjing, 210095, China
| | - Junhui Chen
- State Key Laboratory of Subtropical Silviculture, Zhejiang A&F University, Hangzhou, 311300, China; College of Environmental and Resource Sciences, Zhejiang A&F University, Hangzhou, 311300, China
| | - Jiajia Xing
- State Key Laboratory of Subtropical Silviculture, Zhejiang A&F University, Hangzhou, 311300, China; College of Environmental and Resource Sciences, Zhejiang A&F University, Hangzhou, 311300, China.
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Zhang M, Li X, Xing F, Li Z, Liu X, Li Y. Soil Microbial Legacy Overrides the Responses of a Dominant Grass and Nitrogen-Cycling Functional Microbes in Grassland Soil to Nitrogen Addition. PLANTS (BASEL, SWITZERLAND) 2022; 11:1305. [PMID: 35631730 PMCID: PMC9145027 DOI: 10.3390/plants11101305] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/28/2022] [Revised: 05/03/2022] [Accepted: 05/12/2022] [Indexed: 06/15/2023]
Abstract
Both atmospheric nitrogen (N) deposition and soil microbial legacy (SML) can affect plant performance, the activity of soil N-cycling functional microbes and the relative abundance of N-cycling functional genes (NCFGs). In the grassland vegetation successional process, how the interaction of SML and N deposition affects the performance of dominant grass and NCFGs remains unclear. Therefore, we planted Leymus chinensis, a dominant grass in the Songnen grassland, in the soil taken from the early, medium, late, and stable successional stages. We subjected the plants to soil sterilization and N addition treatments and measured the plant traits and NCFG abundances (i.e., nifH, AOB amoA, nirS, and nirK). Our results showed the biomass and ramet number of L. chinensis in sterilized soil were significantly higher than those in non-sterilized soil, indicating that SML negatively affects the growth of L. chinensis. However, N addition increased the plant biomass and the AOB amoA gene abundance only in sterilized soils, implying that SML overrode the N addition effects because SML buffered the effects of increasing soil N availability on NCFGs. Therefore, we emphasize the potential role of SML in assessing the effects of N deposition on dominant plant performance and NCFGs in the grassland vegetation succession.
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Affiliation(s)
- Minghui Zhang
- Key Laboratory of Vegetation Ecology, Ministry of Education, Jilin Songnen Grassland Ecosystem National Observation and Research Station, Institute of Grassland Science, Northeast Normal University, Changchun 130024, China; (M.Z.); (X.L.); (Z.L.); (X.L.); (Y.L.)
- Jilin Provincial Key Laboratory of Ecological Restoration and Ecosystem Management, Northeast Normal University, Changchun 130024, China
| | - Xueli Li
- Key Laboratory of Vegetation Ecology, Ministry of Education, Jilin Songnen Grassland Ecosystem National Observation and Research Station, Institute of Grassland Science, Northeast Normal University, Changchun 130024, China; (M.Z.); (X.L.); (Z.L.); (X.L.); (Y.L.)
- Jilin Provincial Key Laboratory of Ecological Restoration and Ecosystem Management, Northeast Normal University, Changchun 130024, China
| | - Fu Xing
- Key Laboratory of Vegetation Ecology, Ministry of Education, Jilin Songnen Grassland Ecosystem National Observation and Research Station, Institute of Grassland Science, Northeast Normal University, Changchun 130024, China; (M.Z.); (X.L.); (Z.L.); (X.L.); (Y.L.)
- Jilin Provincial Key Laboratory of Ecological Restoration and Ecosystem Management, Northeast Normal University, Changchun 130024, China
| | - Zhuo Li
- Key Laboratory of Vegetation Ecology, Ministry of Education, Jilin Songnen Grassland Ecosystem National Observation and Research Station, Institute of Grassland Science, Northeast Normal University, Changchun 130024, China; (M.Z.); (X.L.); (Z.L.); (X.L.); (Y.L.)
- Jilin Provincial Key Laboratory of Ecological Restoration and Ecosystem Management, Northeast Normal University, Changchun 130024, China
| | - Xiaowei Liu
- Key Laboratory of Vegetation Ecology, Ministry of Education, Jilin Songnen Grassland Ecosystem National Observation and Research Station, Institute of Grassland Science, Northeast Normal University, Changchun 130024, China; (M.Z.); (X.L.); (Z.L.); (X.L.); (Y.L.)
- Jilin Provincial Key Laboratory of Ecological Restoration and Ecosystem Management, Northeast Normal University, Changchun 130024, China
| | - Yanan Li
- Key Laboratory of Vegetation Ecology, Ministry of Education, Jilin Songnen Grassland Ecosystem National Observation and Research Station, Institute of Grassland Science, Northeast Normal University, Changchun 130024, China; (M.Z.); (X.L.); (Z.L.); (X.L.); (Y.L.)
- Jilin Provincial Key Laboratory of Ecological Restoration and Ecosystem Management, Northeast Normal University, Changchun 130024, China
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Wang Y, Chen L, Xiang W, Ouyang S, Zhang T, Zhang X, Zeng Y, Hu Y, Luo G, Kuzyakov Y. Forest conversion to plantations: A meta-analysis of consequences for soil and microbial properties and functions. GLOBAL CHANGE BIOLOGY 2021; 27:5643-5656. [PMID: 34431166 DOI: 10.1111/gcb.15835] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/06/2021] [Revised: 07/08/2021] [Accepted: 08/06/2021] [Indexed: 06/13/2023]
Abstract
Primary or secondary forests around the world are increasingly being converted into plantations. Soil microorganisms are critical for all biogeochemical processes in ecosystems, but the effects of forest conversion on microbial communities and their functioning remain unclear. Here, we conducted a meta-analysis to quantify the impacts that converting forests to plantations has on soil microbial communities and functioning as well as on the associated plant and soil properties. We collected 524 paired observations from 138 studies globally. We found that conversion leads to broad range of adverse impacts on soils and microorganisms, including on soil organic carbon (-24%), total nitrogen (-29%), bacterial and fungal biomass (-36% and -42%, respectively), microbial biomass carbon (MBC, -31%) and nitrogen (-33%), and fungi to bacteria ratio (F:B, -16%). In addition, we found impacts on the ratio of MBC to soil organic C (qMBC, -20%), microbial respiration (-18%), N mineralization (-18%), and enzyme activities including β-1,4-glucosidase (-54%), β-1,4-N-acetylglucosaminidase (-39%), and acid phosphatase (ACP; -34%). In contrast, conversion to plantations increases bacterial richness (+21%) and microbial metabolic quotient (qCO2 , +21%). The effects of forest conversion were consistent across stand ages, stand types, and climate zone. Soil C and N contents as well as the C:N ratio were the main factors responsible for the changes of microbial C, F:B, and bacterial richness. The responses of qCO2 , N mineralization, and ACP activity were mainly driven by the reductions in F:B, MBC, and soil C:N. Applying macro-ecology theory on ecosystem disturbance in soil microbial ecology, we show that microbial groups shifted from K to r strategists after conversion to plantations. Our meta-analysis underlines the adverse effects of natural forests conversion to plantations on soil microbial communities and functioning, and suggests that the preservation of soil functions should be a consideration in forest management practices.
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Affiliation(s)
- Ying Wang
- Faculty of Life Science and Technology, Central South University of Forestry and Technology, Changsha, China
- Huitong National Station for Scientific Observation and Research of Chinese Fir Plantation Ecosystem in Hunan Province, Huitong, China
| | - Liang Chen
- Faculty of Life Science and Technology, Central South University of Forestry and Technology, Changsha, China
- Huitong National Station for Scientific Observation and Research of Chinese Fir Plantation Ecosystem in Hunan Province, Huitong, China
| | - Wenhua Xiang
- Faculty of Life Science and Technology, Central South University of Forestry and Technology, Changsha, China
- Huitong National Station for Scientific Observation and Research of Chinese Fir Plantation Ecosystem in Hunan Province, Huitong, China
| | - Shuai Ouyang
- Faculty of Life Science and Technology, Central South University of Forestry and Technology, Changsha, China
- Huitong National Station for Scientific Observation and Research of Chinese Fir Plantation Ecosystem in Hunan Province, Huitong, China
| | - Taidong Zhang
- Faculty of Life Science and Technology, Central South University of Forestry and Technology, Changsha, China
- Huitong National Station for Scientific Observation and Research of Chinese Fir Plantation Ecosystem in Hunan Province, Huitong, China
| | - Xiulan Zhang
- Faculty of Life Science and Technology, Central South University of Forestry and Technology, Changsha, China
- Huitong National Station for Scientific Observation and Research of Chinese Fir Plantation Ecosystem in Hunan Province, Huitong, China
| | - Yelin Zeng
- Faculty of Life Science and Technology, Central South University of Forestry and Technology, Changsha, China
- Huitong National Station for Scientific Observation and Research of Chinese Fir Plantation Ecosystem in Hunan Province, Huitong, China
| | - Yanting Hu
- Faculty of Life Science and Technology, Central South University of Forestry and Technology, Changsha, China
- Huitong National Station for Scientific Observation and Research of Chinese Fir Plantation Ecosystem in Hunan Province, Huitong, China
| | - Gongwen Luo
- College of Resources and Environment, Hunan Agricultural University, Changsha, China
| | - Yakov Kuzyakov
- Faculty of Life Science and Technology, Central South University of Forestry and Technology, Changsha, China
- Department of Soil Science of Temperate Ecosystems, Department of Agricultural Soil Science, University of Gottingen, Göttingen, Germany
- Institute of Environmental Sciences, Kazan Federal University, Kazan, Russia
- Agro-Technological Institute, RUDN University, Moscow, Russia
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Ma J, Ullah S, Niu A, Liao Z, Qin Q, Xu S, Lin C. Heavy metal pollution increases CH 4 and decreases CO 2 emissions due to soil microbial changes in a mangrove wetland: Microcosm experiment and field examination. CHEMOSPHERE 2021; 269:128735. [PMID: 33127108 DOI: 10.1016/j.chemosphere.2020.128735] [Citation(s) in RCA: 39] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/19/2020] [Revised: 10/20/2020] [Accepted: 10/22/2020] [Indexed: 06/11/2023]
Abstract
Mangrove plays an important role in modulating global warming through substantial blue carbon storage relative to their greenhouse gas emission potential. The presence of heavy metals in mangrove wetlands can influence soil microbial communities with implications for decomposition of soil organic matter and emission of greenhouse gases. In this study, field monitoring and a microcosm experiment were conducted to examine the impacts of heavy metal pollution on soil microbial communities and greenhouse gas fluxes. The results show that heavy metal pollution decreased the richness and diversity of the overall soil microbial functional groups (heterotrophs and lithotrophs); however, it did not inhibit the activities of the methanogenic communities, possibly due to their stronger tolerance to heavy metal toxicity compared to the broader soil microbial communities. Consequently, the presence of heavy metals in the mangrove soils significantly increased the emission of CH4 while the emission of CO2 as a proxy of soil microbial respiration was decreased. The soil organic carbon content could also buffer the effect of heavy metal pollution and influence CO2 emissions due to reduced toxicity to microbes. The findings have implications for understanding the complication of greenhouse gas emissions by heavy metal pollution in mangrove wetlands.
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Affiliation(s)
- Jiaojiao Ma
- School of Geography, South China Normal University, Guangzhou, 510631, China; School of Geography, Earth and Environmental Sciences, And Birmingham Institute of Forest Research, University of Birmingham, Edgbaston, Birmingham, B15 2TT, UK
| | - Sami Ullah
- School of Geography, Earth and Environmental Sciences, And Birmingham Institute of Forest Research, University of Birmingham, Edgbaston, Birmingham, B15 2TT, UK
| | - Anyi Niu
- School of Geography, South China Normal University, Guangzhou, 510631, China
| | - Zhenni Liao
- School of Geography, South China Normal University, Guangzhou, 510631, China
| | - Qunhao Qin
- College of Natural Resources and Environment, South China Agricultural University, Guangzhou, 510642, China
| | - Songjun Xu
- School of Geography, South China Normal University, Guangzhou, 510631, China.
| | - Chuxia Lin
- Faculty of Science, Engineering and Built Environment, Deakin University, Burwood, VIC, 3125, Australia.
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Monteiro DA, Fonseca EDS, Rodrigues RDAR, da Silva JJN, da Silva EP, Balieiro FDC, Alves BJR, Rachid CTCDC. Structural and functional shifts of soil prokaryotic community due to Eucalyptus plantation and rotation phase. Sci Rep 2020; 10:9075. [PMID: 32493970 PMCID: PMC7270125 DOI: 10.1038/s41598-020-66004-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2020] [Accepted: 04/27/2020] [Indexed: 11/09/2022] Open
Abstract
Agriculture, forestry and other land uses are currently the second highest source of anthropogenic greenhouse gases (GHGs) emissions. In soil, these gases derive from microbial activity, during carbon (C) and nitrogen (N) cycling. To investigate how Eucalyptus land use and growth period impact the microbial community, GHG fluxes and inorganic N levels, and if there is a link among these variables, we monitored three adjacent areas for 9 months: a recently planted Eucalyptus area, fully developed Eucalyptus forest (final of rotation) and native forest. We assessed the microbial community using 16S rRNA gene sequencing and qPCR of key genes involved in C and N cycles. No considerable differences in GHG flux were evident among the areas, but logging considerably increased inorganic N levels. Eucalyptus areas displayed richer and more diverse communities, with selection for specific groups. Land use influenced communities more extensively than the time of sampling or growth phase, although all were significant modulators. Several microbial groups and genes shifted temporally, and inorganic N levels shaped several of these changes. No correlations among microbial groups or genes and GHG were found, suggesting no link among these variables in this short-rotation Eucalyptus study.
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Affiliation(s)
- Douglas Alfradique Monteiro
- LABEM - Laboratory of Biotechnology and Microbial Ecology, Institute of Microbiology Paulo de Góes, Department of General Microbiology, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Eduardo da Silva Fonseca
- LABEM - Laboratory of Biotechnology and Microbial Ecology, Institute of Microbiology Paulo de Góes, Department of General Microbiology, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | | | | | | | | | | | - Caio Tavora Coelho da Costa Rachid
- LABEM - Laboratory of Biotechnology and Microbial Ecology, Institute of Microbiology Paulo de Góes, Department of General Microbiology, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil.
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Wang YQ, Xiao GQ, Cheng YY, Wang MX, Sun BY, Zhou ZF. The linkage between methane production activity and prokaryotic community structure in the soil within a shale gas field in China. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2020; 27:7453-7462. [PMID: 31884532 DOI: 10.1007/s11356-019-07454-3] [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: 06/29/2019] [Accepted: 12/18/2019] [Indexed: 06/10/2023]
Abstract
Soil methane generation mainly driven by soil prokaryotic microbes can be coupled with the degradation of petroleum hydrocarbons (PHCs); however, the relationship between prokaryotic community structure and methane production activity in soil with the potential risk of PHC contamination is seldom reported. In this study, 3 soil samples (CS-1 to CS-3) in the area nearby an exploratory gas well and 5 soil samples (DC-1 to DC-5) in a drill cutting dump area were obtained from the Fuling shale gas field (Chongqing City, China). Then, the prokaryotic community structure was examined by Illumina Miseq sequencing, and the linkage between soil methane production rate (MPR) and prokaryotic community composition was analyzed. The results indicated that 2 samples (DC-4 and DC-5) collected from the drill cutting dump area had significantly higher MPR than the other samples, and a significant and positive relationship (r = 0.44, P < 0.05) was found between soil MPR and soil organic matter (OM) content. The prokaryotic community composition in the sample (DC-5) with the highest MPR was different from those in the other samples, and soil OM and MPR were the major factors significantly correlated with the prokaryotic community structure in this soil. The samples (DC-4 and DC-5) with higher MPR had a higher relative abundance of Archaea and different archaeal community structures from the other samples, and the MPR was the sole factor significantly correlated with the archaeal genus composition in this soil. Therefore, both the prokaryotic and archaeal community structures are essential in the determination of soil MPR, and the bacterial genus of Saccharibacteria and the archaeal genus of Methanolobus might be the key contributors for methane generation in this soil from the shale gas field.
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Affiliation(s)
- Yan-Qin Wang
- College of Resources and Environment, Southwest University, Chongqing, 400715, China
| | - Guang-Quan Xiao
- College of Resources and Environment, Southwest University, Chongqing, 400715, China
| | - Yong-Yi Cheng
- College of Resources and Environment, Southwest University, Chongqing, 400715, China
| | - Ming-Xia Wang
- College of Resources and Environment, Southwest University, Chongqing, 400715, China
| | - Bo-Ya Sun
- College of Resources and Environment, Southwest University, Chongqing, 400715, China
| | - Zhi-Feng Zhou
- College of Resources and Environment, Southwest University, Chongqing, 400715, China.
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Petersen IAB, Meyer KM, Bohannan BJM. Meta-Analysis Reveals Consistent Bacterial Responses to Land Use Change Across the Tropics. Front Ecol Evol 2019. [DOI: 10.3389/fevo.2019.00391] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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