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Persistent organic pollutants in global surface soils:Distributions and fractionations

Environmental Science and Ecotechnology 2024年第2期18卷 13-27页

作者： Yi-Fan Li Shuai Hao Wan-Li Ma Pu-Fei Yang Wen-Long Li Zi-Feng Zhang Li-Yan Liu Robie WMacdonald International Joint research Center for Persistent Toxic Substances(IJRC-PTS) State Key Laboratory of Urban Water Resource and EnvironmentHarbinInstitute of TechnologyHarbin150090China International Joint research Center for Arctic Environment and ecosystem(IJRC-AEE) Polar AcademyHarbin Institute of Technology(PA-HIT)Harbin150090China Heilongjiang Provincial Key Laboratory of Polar Environment and ecosystem(HPKL-PEE) Harbin150090China IJRC-PTS-NA TorontoONM2J 3N8Canada College of the Environment and Ecology Xiamen UniversityXiamenChina Institute of Ocean Sciences Department of Fisheries and OceansP.O.Box 6000SidneyBCV8L 4B2Canada Centre for Earth Observation Science University of ManitobaWinnipegR3T 2N2Canada

The distribution and fractionation of persistent organic pollutants(POPs)in different matrices refer to how these pollutants are dispersed and separated within various environmental *** is a significant study area as it helps us understand the transport efficiencies and long-range transport potentials of POPs to enter remote areas,particularly polar *** study provides a comprehensive review of the progress in understanding the distribution and fractionation of *** focus on the contributions of four intermedia processes(dry and wet depositions for gaseous and particulate POPs)and determine their transfer between air and *** processes are controlled by their partitioning between gaseous and particulate phases in the *** distribution patterns and fractionations can be categorized into primary and secondary *** are developed to quantificationally study the primary and secondary distributions and fractionations of *** analysis results suggest that the transfer of low molecular weight(LMW)POPs from air to soil is mainly through gas diffusion and particle deposition,whereas high molecular weight(HMW)POPs are mainly via particle ***-POPs tend to be trapped near the source,whereas LMW-POPs are more prone to undergo long-range atmospheric *** crucial distinction elucidates the primary reason behind their temperatureindependent primary ***,the secondary distribution and fractionation can only be observed along a temperature gradient,such as latitudinal or altitudinal *** animation is produced by a one-dimensional transport model to simulate conceptively the transport of CB-28 and CB-180,revealing the similarities and differences between the primary and secondary distributions and *** suggest that the decreasing temperature trend along latitudes is not the major reason for POPs to be fractionated into the polar ecosystems,but drives the longer-term accumu

关键词： POPs Primary and secondary sources Primary and secondary emissions Primary and secondary distribution patterns Primary and secondary fractionations

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Advancements in assessing soil health through functional traits and energy flow analysis of soil

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Soil Ecology Letters 2024年第2期6卷 21-30页

作者： Jingnan Zhang Shiyu Li Elly Morrien Neil B.McLaughlin Shixiu Zhang School of Life Sciences Zhengzhou UniversityZhengzhou 450001China State Key Laboratory of Black Soils Conservation and Utilization Northeast Institute of Geography and AgroecologyChineseAcademy of SciencesChangchun 130012China Key Laboratory of Mollisols Agroecology Northeast Institute of Geography and AgroecologyChinese Academy of SciencesChangchun 130012China Institute of Biodiversity and ecosystem Dynamics(IBED-ELD) Department of Ecosystem and Landscape DynamicsUniversity of AmsterdamScience Park 9041098 XHA msterdamThe Netherlands Ottawa research and Development Centre Agriculture and Agri-Food CanadaOttawa K1AoC6Canada University of Chinese Academy of Sciences Bejing 100049China

We examined the development of soil nematodes ecological indices from the perspective off *** found that soil nematode energy flow analyses based on multiple functional traits quantify the dynamics of energy flow across multipletrophic levels to provide a more comprehensive *** conducted comparative analyses of the sensitivities of NMF and energy flow to verify that the energy flow analyses are more sensitive and have greater potential to reveal soil health and ecosystem *** in-depth studies of functional traits and energy flow analysis can help us achieve informed soil management practices,sustainable agriculture,*** Tess CT Nematode ecological index based on functional traits:MI El,S,BI,C1 NMF Bongen.1990 Ferrisetal,2001 Ferris,2010 energs low analysis of soil nematodes Compare thecological index(NMf)and Bacterivores(Ba)Functional traits Energy flux Fungihores(Fn)rahn Soilnematodes latitude Lindicator Plant-parasites(PP)PF Energflus Soilhealth Omnivores-predators(oP)latitude Energy flow analysis of soil nematodes:By quantifying energy fux among trophic groups Barbes et al.,2014,2018 This paper examines the development of ecological indices for soil nematodes from the perspective of functional *** emphasizes the increasing significance of integrating multiple functional traits to achieve a more accurate assessment of soil *** indices based on life history strategies,feeding habits,and body size provide useful tools for assessing soil ***,these indices do not fully capture the dynamics ofenergyflow across multiple-trophic levels inthesoil foodweb,which is critical fora deeperunderstanding of the intrinsic properties of soil *** combining functional traits such as functional group,body size,feeding preference and metabolic rate,nematode energy flow analyses provide a more comprehensive *** approach establishes a direct correlation between changes

关键词： soil nematodes soil health nematodefoodweb functional traits energyflux

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Dynamic coupling of ferrihydrite transformation and associated arsenic desorption/redistribution mediated by sulfate-reducing bacteria

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Journal of Environmental Sciences 2024年第1期135卷 39-50页

作者： Wenjing Zhou Huiyan Zhu Shiwen Hu Bowei Zhang Kun Gao Zhi Dang Chongxuan Liu State Environmental Protection Key Laboratory of Integrated Surface Water-Groundwater Pollution Control School of Environmental Science and EngineeringSouthern University of Science and TechnologyShenzhen 518055China The Key Lab of Pollution Control and ecosystem Restoration in Industry Clusters Ministry of EducationSouth China University of TechnologyGuangzhou 510006China

Sulfate-reducing bacteria play an important role in the geochemistry of iron(oxyhydr)oxide and arsenic(As)in natural environments;however,the associated reaction processes are yet to be fully *** this study,batch experiments coupled with geochemical,spectroscopic,microscopic,and thermodynamic analyses were conducted to investigate the dynamic coupling of ferrihydrite transformation and the associated As desorption/redistribution mediated by Desulfovibrio vulgaris(***).The results indicated that *** could induce ferrihydrite transformation via S^(2-)-driven and direct reduction *** the absence of SO_(4)^(2-),*** directly reduced ferrihydrite,and As desorption and re-sorption occurred simultaneously during the partial transformation of ferrihydrite to *** increase in SO_(4)^(2-)loading promoted the S^(2-)-driven reduction of ferrihydrite and accelerated the subsequent mineralogical *** the low and medium SO_(4)^(2-)treatments,ferrihydrite was completely transformed to a mixture of magnetite and mackinawite,which increased the fraction of As in the residual phase and stabilized *** the high SO_(4)^(2-)treatment,although the replacement of ferrihydrite by only mackinawite also increased the fraction of As in the residual phase,22.1%of the total As was released into the solution due to the poor adsorption affinity of As to mackinawite and the conversion of As^(5+)to As^(3+).The mechanisms of ferrihydrite reduction,mineralogy transformation,and As mobilization and redistribution mediated by sulfate-reducing bacteria are closely related to the surrounding SO_(4)^(2-)*** results advance our understanding of the biogeochemical behavior of Fe,S,and As,and are helpful for the risk assessment and remediation of As contamination.

关键词： Sulfate-reducing bacteria Arsenic Ferrihydrite Transformation Redistribution

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Elevated peripheral levels of receptor-interacting protein kinase 1(RIPK1)and IL-8 as biomarkers of human amyotrophic lateral sclerosis

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Signal Transduction and Targeted Therapy 2024年第1期9卷 271-278页

作者： Jun Wei Min Li Zhi Ye Xinqian Hu Xiaoyan He Jia Wang Gaofeng Chen Chengyu Zou Daichao Xu Hongbing Zhang Junying Yuan Yunhong Zha Institute of Neural Regeneration and Repair and Department of Neurology The First College of Clinical Medical ScienceYichang Central HospitalCollege of Basic Medical ScienceChina Three Gorges UniversityHubei Province Clinical Medical Research Center for Rare Diseases of Nervous SystemYichang 443000China Interdisciplinary research Center on Biology and Chemistry Shanghai Institute of Organic ChemistryChinese Academy of SciencesShanghai Key Laboratory of Aging StudiesShanghai 201210China State Key Laboratory of Common Mechanism research for Major Diseases Haihe Laboratory of Cell EcosystemDepartment of PhysiologyInstitute of Basic Medical Sciences and School of Basic MedicineChinese Academy of Medical Sciences and Peking Union Medical CollegeBeijingChina

Amyotrophic lateral sclerosis(ALS)is a devastating fatal neurodegenerative disease with no ***-interacting protein kinase 1(RIPK1)has been proposed to mediate pathogenesis of *** has been identified as an old drug that can also inhibit RIPK1 *** conducted a drug-repurposing biomarker study of primidone as a RIPK1 inhibitor using SOD1G93A mice and ALS ***1G93A mice treated with primidone showed significant delay of symptomatic onset and improved motor ***-hundred-sixty-two ALS participants dosed daily with primidone(62.5 mg)completed 24-week follow-up.A significant reduction was showed in serum levels of RIPK1 and IL-8,which were significantly higher in ALS patients than that of healthy controls(P<0.0001).Serum RIPK1 levels were correlated positively with the severity of bulbar symptoms(P<0.05).Our study suggests that serum levels of RIPK1 and IL-8 in peripheral can be used as clinical biomarkers for the activation of RIPK1 in central nervous system in human ALS *** primidone may provide a promising therapeutic strategy for *** effect of primidone for the treatment of other inflammatory diseases may also be considered,since the activation of RIPK1 has been implicated in mediating a variety of inflammatory diseases including COVID-19-associated cytokine release syndrome(CRS).(ChiCTR2200060149).

关键词： RIPK1 diseases Serum

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Reply to “Beyond microbial carbon use efficiency”

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National Science Review 2024年第4期11卷 35-37页

作者： Feng Tao Johannes Lehmann Ying-Ping Wang Lifen Jiang Bernhard Ahrens Kostiantyn Viatkin Stefano Manzoni Benjamin Z.Houlton Yuanyuan Huang Xiaomeng Huang Yiqi Luo Department of Ecology and Evolutionary Biology Cornell University Soil and Crop Sciences Section School of Integrative Plant ScienceCornell University CSIRO Environment Max Planck Institute for Biogeochemistry Department of Physical Geography and Bolin Centre for Climate research Stockholm University Department of Global Development Cornell University Key Laboratory of ecosystem Network Observation and Modeling Institute of Geographic Sciences and Natural Resources Research Chinese Academy of Sciences Department of Earth System Science Ministry of Education Key Laboratory for Earth System Modelling Institute for Global Change Studies Tsinghua University

In their commentary, Xiao et al.[1]cautioned that the conclusions on the critical role of microbial carbon use efficiency (CUE) in global soil organic carbon (SOC) storage in the paper by Tao et al.[2] might be too *** claimed that Tao et al.’s study lacked mechanistic consideration of SOC formation and excluded important data *** et al. brought up important points,which can be largely reconciled with our findings by understanding the differences in expressing processes in empirical studies and in models.

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Differences and similarities in radial growth of Betula species to climate change

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Journal of Forestry research 2024年第2期35卷 176-187页

作者： Di Liu Yang An Zhao Li Zhihui Wang Yinghui Zhao Xiaochun Wang Center for Ecological research Key Laboratory of Sustainable Forest Ecosystem ManagementMinistry of EducationCollege of ForestryNortheast Forestry UniversityHarbin 150040People’s Republic of China Changan Park in Shijiazhuang Shijiazhuang 050000People’s Republic of China Shijiazhuang Landscape Greening Engineering Project Construction Center Shijiazhuang 050000People’s Republic of China Heilongjiang Institute of Meteorological Science Harbin 150030People’s Republic of China School of Life Qufu Normal UniversityQufu 273100People’s Republic of China

Betula platyphylla and Betula costata are important species in mixed broadleaved-Korean pine(Pinus koraiensis)***,the specific ways in which their growth is affected by warm temperatures and drought remain *** address this issue,60 and 62 tree-ring cores of *** and *** were collected in Yichun,*** dendrochronological methods,the response and adaptation of these species to climate change were examined.A“hysteresis effect”was found in the rings of both species,linked to May–September moisture conditions of the previous *** growth of *** was positively correlated with the standardized precipitation-evapotranspiration index(SPEI),the precipitation from September to October of the previous year,and the relative humidity in October of the previous *** of *** is primarily restricted by moisture conditions from September to *** contrast,*** growth is mainly limited by minimum temperatures in May–June of both the previous and current *** droughts,*** had a faster recovery rate compared to *** the context of rising temperatures since 1980,the correlation between *** growth and monthly SPEI became positive and strengthened over time,while the growth of *** showed no conspicuous *** findings suggest that the growth of *** is already affected by warming temperatures,whereas *** may become limited if warming continues or *** change could disrupt the succession of these species,possibly accelerating the succession of pioneer *** results of this research are of great significance for understanding how the growth changes of birch species under warming and drying conditions,and contribute to understanding the structural adaptation of mixed broadleaved-Korean pine(Pinus koraiensis)forests under climate change.

关键词： Tree rings Betula platyphylla Betula costata Climate response Moving correlation Extreme drought

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Health risk assessment of heavy metal pollution in groundwater of a karst basin,SW China

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Journal of Groundwater Science and Engineering 2024年第1期12卷 49-61页

作者： Fu-ning Lan Yi Zhao Jun Li Xiu-qun Zhu Karst ecosystem National Observation and Research StationPingguo 531406GuangxiChina Institute of Karst Geology International Research Centre on KarstUnder the Auspices of UNESCOGuangxi Karst Resources and Environment Research Center of Engineering TechnologyChinese Academy of Geological SciencesKarst Dynamics LaboratoryMNR and GuangxiGuilin 541004China Hebei Key Laboratory of Water Quality Engineering and Comprehensive Utilization of Water Resources Hebei University of ArchitectureZhangjiakou 075000Hebei ProvinceChina College of Hydrology and Water Resources Hohai UniversityNanjing 210098China

To investigate the presence of metal elements and assess their health risk for the populace in the Nandong Underground River Basin(NURB),we conducted an analysis of eleven common heavy metals in the water body.A Health risk assessment(HRA)model was employed to analyze 84 water samples from the *** detection results revealed the following order of heavy metals concentrations:Fe>Al>Mn>Zn>As>Cd>Pb>Cr>Ni>Cu>*** analysis indicated a certain similarity in material source and migration transformation among these eleven metal *** study identified that the health risks for local residents exposed to metal elements in the water of NURB primarily stem from carcinogenic risk(10^(−6)–10^(−4)a^(−1))through the drinking water ***,the health risk of heavy metal exposure for children through drinking water was notably higher than for *** maximum health risks of Cr in both underground and surface water exceeded the recommendation standard(5.0×10^(−5)a^(−1))from ICRP,surpassing the values recommended by the Swedish Environmental Protection Agency,the Dutch Ministry of Construction and Environment and the British Royal Society(5.0×10^(−6)a^(−1)).The results of the health risk assessment indicate that Cr in the water of NURB is the primary source of carcinogenic risk for local residents,followed by Cd and ***,it is imperative to control these three carcinogenic metals when the water was used as drinking water resource.

关键词： Water Pollution Correlation Analysis Toxicity of Heavy Metal Elements Underground River Basin Carcinogenicity Potential

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Decadal shifts in Qingzang Plateau lake carbon dynamics (1970-2020): From predominant carbon sources to emerging sinks

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Environmental Science and Ecotechnology 2024年第5期21卷 123-132页

作者： Di Shen Yu Li Yafeng Wang Shouliang Huo Yong Liu Junjie Jia Shuoyue Wang Kun Sun Yang Gao College of Earth and Environment Science Lanzhou UniversityLanzhou730000PR China State Key Laboratory of Tibetan Plateau Earth System Environment and Resources(TPESER)Institute of Tibetan Plateau ResearchChinese Academy of SciencesBeijing100101PR China Chinese research Academy of Environmental Sciences Beijing100012PR China College of Environmental Sciences and Engineering Peking UniversityBeijing1008714PR China Key Laboratory of ecosystem Network Observation and Modeling Institute of Geographic Sciences and Natural Resources ResearchChinese Academy of SciencesBeijing100101PR China College of Resources and Environment University of Chinese Academy of SciencesBeijing100049PR China

The evasion of carbon dioxide(CO_(2))from lakes significantly influences the global carbon *** global climatic transformations,the role of Qingzang Plateau(QZP)lakes as carbon(C)sources or sinks remains a subject of ***,accurately quantifying their contribution to the global carbon budget presents a formidable ***,spanning half a century(1970e2020),we utilize a synthesis of literature and empirical field data to assess the CO_(2) exchange flux of QZP *** find markedly higher CO_(2) exchange flux in the southeast lakes than that in the northern and western regions from 1970 to *** this time,both freshwater and saltwater lakes served primarily as carbon *** annual CO_(2) exchange flux was estimated at 2.04±0.37 Tg(Tg)C yr1,mainly influenced by temperature *** CO_(2) exchange flux patterns underwent a geographical inversion between 2000 and 2020,with increased levels in the west and decreased levels in the ***,CO_(2) emissions from freshwater lakes diminished,and certain saltwater lakes in the QTP transitioned from carbon sources to *** 2000 to 2020,the annual CO_(2) exchange flux from QZP lakes is estimated at 1.34±0.50 Tg C yr1,with solar radiation playing a more pronounced role in carbon ***,over the past five decades,QZP lakes have generally functioned as carbon ***,the total annual CO_(2) emissions have declined since the year 2000,indicating a potential shift trend from being a carbon source to a sink,mirroring broader patterns of global climate *** findings not only augment our understanding of the carbon cycle in plateau aquatic systems but also provide crucial data for refining China's carbon budget.

关键词： Carbon source Carbon sink Carbon exchange flux Qingzang Plateau Global climate change

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黄河流域生态保护迈向高质量发展的特征——植被绿度、生产力和降水利用效率的差异性变化

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Engineering 2024年第3期34卷 109-119页

作者： Yang Yu Ting Hua Liding Chen Zhiqiang Zhang Paulo Pereira Jixian National Forest ecosystem Observation and research Station National Ecosystem Research Network of China(CNERN)School of Soil and Water ConservationBeijing Forestry UniversityBeijing 100083China School of Soil and Water Conservation Beijing Forestry UniversityBeijing 100083China State Key Laboratory of Earth Surface Processes and Resource Ecology Faculty of Geographical ScienceBeijing Normal UniversityBeijing 100875China Institute of Land Surface System and Sustainable Development Faculty of Geographical ScienceBeijing Normal UniversityBeijing 100875China State Key Laboratory of Urban and Regional Ecology Research Center for Eco-Environmental SciencesChinese Academy of SciencesBeijing 100085China Environmental Management Laboratory Mykolas Romeris UniversityVilnius 08303Lithuania

Globally,vegetation has been changing *** vegetation-water dynamic is key to understanding ecosystem structure and functioning in water-limited *** satellite monitoring has detected global vegetation ***,a vegetation greenness increase does not mean that ecosystem functions *** intricate interplays resulting from the relationships between vegetation and precipitation must be more adequately *** this study,satellite data,for example,leaf area index(LAI),net primary production(NPP),and rainfall use efficiency(RUE),were used to quantify vegetation dynamics and their relationship with rainfall in different reaches of the Yellow River Basin(YRB).A sequential regression method was used to detect trends of NPP sensitivity to *** results showed that 34.53%of the YRB exhibited a significant greening trend since *** them,20.54%,53.37%,and 16.73%of upper,middle,and lower reach areas showed a significant positive trend,*** showed a similar trend to LAI in the YRB upper,middle,and lower reaches.A notable difference was noted in the distributions and trends of RUE across the upper,middle,and lower ***,there were significant trends in vegetation-rainfall sensitivity in 16.86%of the YRB’s middle reaches—14.08%showed negative trends and 2.78%positive trends.A total of 8.41%of the YRB exhibited a marked increase in LAI,NPP,and ***,strategic locations reliant on the correlation between vegetation and rainfall were identified and designated for restoration planning purposes to propose future ecological restoration *** analysis indicates that the middle reach of the YRB exhibited the most significant variation in vegetation greenness and *** present study underscores the significance of examining the correlation between vegetation and rainfall within the context of the high-quality development strategy of the *** outcomes of our analysis and the

关键词： Vegetation greenness Vegetation productivity Rainfall use efficiency Sensitivity Yellow River Basin

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Soil and microbial C:N:P stoichiometries play vital roles in regulating P transformation in agricultural ecosystems:A review

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Pedosphere 2024年第1期34卷 44-51页

作者： Guanglei CHEN Jiahui YUAN Shenqiang WANG Yuting LIANG Dengjun WANG Yiyong ZHU Yu WANG State Key Laboratory of Soil and Sustainable Agriculture Changshu National Agro-Ecosystem Observation and Research StationInstitute of Soil ScienceChinese Academy of SciencesNanjing 210008China School of Life Sciences Jiangsu Normal UniversityXuzhou 221000China School of Fisheries Aquacultureand Aquatic SciencesAuburn UniversityAuburn AL 36849USA Jiangsu Collaborative Innovation Center for Solid Organic Waste Resource Utilization College of Resources and Environmental ScienceNanjing Agricultural UniversityNanjing 210095China

Stoichiometry plays a crucial role in biogeochemical cycles and can modulate soil nutrient availability and functions. In agricultural ecosystems,phosphorus(P) fertilizers(organic or chemical) are often applied to achieve high crop yields. However, P is readily fixed by soil particles, leading to low P use efficiency. Therefore, understanding the role of carbon:nitrogen:P stoichiometries of soil and microorganisms in soil P transformation is of great significance for P management in agriculture. This paper provides a comprehensive review of the recent research on stoichiometry effect on soil P transformation in agricultural ecosystems. Soil microorganisms play an important role in the transformation of soil non-labile inorganic P to microbial biomass P by regulating microbial biomass stoichiometry. They also mobilize soil unavailable organic P into available P by changing ecoenzyme stoichiometry. Organic materials, such as manure and straw, play an important role in promoting the transformation of insoluble P into available P as well. Additionally, periphytic biofilms can reduce P loss from rice field ecosystems. Agricultural stoichiometries are different from those of natural ecosystems and thereby should receive more attention due to the influences of anthropogenic factors. Therefore, it is necessary to conduct further stoichiometry research on the soil biochemical mechanisms underlying P transformation in agricultural ecosystems. In conclusion, understanding stoichiometry impact on soil P transformation is crucial for P management in agricultural ecosystems.

关键词： ecoenzyme microbial biomass microbial community microorganism P availability periphytic biofilm soil P transformation

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