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Chinese Medical Journal 2022年第4期135卷 499-501页

作者： Zhenqiu Zha Yili Lyu lingli liu Tengfei Dong Beijing Cheng Linsheng Yang Zhirong liu Chronic Noncommunicable Diseases Prevention and Treatment Department Anhui Provincial Center for Disease Control and PreventionPublic Health Research InstituteHefeiAnhui 230601China Department of Epidemiology and Biostatistics School of Public HealthAnhui Medical UniversityHefeiAnhui 230032China

To the Editor:Liver cancer(LC)is one of the most commonly diagnosed cancers and the leading cause of cancer mortality in the world,with approximately 905,677 new cases and 830,180 deaths in 2020.[1]Clearly,the huge burden exerted by LC highlights the need to effectively decrease the incidence and mortality of LC.Unfortunately,survival rates of LC have been maintained at a low level to date.A recent meta-analysis showed that the age-standardized 5-year LC survival rate in China was 10.1%in 2003 to 2005 and 12.1%in 2012 to 2015.[2]The poor prognosis of LC may be partly attributed to the advanced stages once diagnosed for most patients,suggesting that early detection,early diagnosed,and early treatment of LC are warranted.[3]

关键词： prevention Anhui maintained

Upward trend of nitrogen deposition curbed by the dual force of environmental regulation and social-economic structural change in China

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Science Bulletin 2019年第18期64卷 1300-1302页

作者： lingli liu State Key Laboratory of Vegetation and Environmental Change Institute of Botany Chinese Academy of Sciences University of Chinese Academy of Sciences

Nitrogen(N)is an important nutrient that is essential for all life on Earth.Although N accounts for 78%of the total atmospheric volume,it cannot be used by plants or animals unless it is converted to reactive nitrogen(Nr)such as ammonia(NH3)or related nitrogenous compounds.The supply of reactive N has been the bottleneck in food production for centuries.Since 1913,the Haber-Bosch process has greatly improved the ability of humans to produce N fertilizers from atmospheric N.The rapid growth of the world's population since 1960 is closely related to the increase in food production caused by the increased use of N fertilizers[1].Population growth further leads to increases in N-fixing crop cultivation,animal husbandry expansion,and fossil fuel con sumption.

关键词： husbandry trend ammonia

Nonscalability of Fractal Dimension to Quantify Canopy Structural Complexity from Individual Trees to Forest Stands

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Journal of Remote Sensing 2022年第1期2022卷 21-32页

作者： Xiaoqiang liu Qin Ma Xiaoyong Wu Tianyu Hu Guanhua Dai Jin Wu Shengli Tao Shaopeng Wang lingli liu Qinghua Guo Yanjun Su State Key Laboratory of Vegetation and Environmental Change Institute of BotanyChinese Academy of SciencesBeijing 100093China China National Botanical Garden Beijing 100093China University of Chinese Academy of Sciences Beijing 100049China Key Laboratory of Forest Ecology and Management Institute of Applied EcologyChinese Academy of SciencesShenyang 110164China School of Biological Sciences The University of Hong KongPokfulamHong KongChina State Key Laboratory of Agrobiotechnology Chinese University of Hong KongHong KongChina Institute of Ecology College of Urban and Environmental SciencePeking UniversityBeijing 100871China Institute of Remote Sensing and Geographical Information Systems School of Earth and Space SciencesPeking UniversityBeijing 100871China

Canopy structural complexity is a critical emergent forest attribute,and light detection and ranging(lidar)-based fractal dimension has been recognized as its powerful measure at the individual tree level.However,the current lidar-based estimation method is highly sensitive to data characteristics,and its scalability from individual trees to forest stands remains unclear.This study proposed an improved method to estimate fractal dimension from lidar data by considering Shannon entropy,and evaluated its scalability from individual trees to forest stands through mathematical derivations.Moreover,a total of 280 forest stand scenes simulated from the terrestrial lidar data of 115 trees spanning large variability in canopy structural complexity were used to evaluate the robustness of the proposed method and the scalability of fractal dimension.The results show that the proposed method can significantly improve the robustness of lidar-derived fractal dimensions.Both mathematical derivations and experimental analyses demonstrate that the fractal dimension of a forest stand is equal to that of the tree with the largest fractal dimension in it,manifesting its nonscalability from individual trees to forest stands.The nonscalability of fractal dimension reveals its limited capability in canopy structural complexity quantification and indicates that the power-law scaling theory of a forest stand underlying fractal geometry is determined by its dominant tree instead of the entire community.Nevertheless,we believe that fractal dimension is still a useful indicator of canopy structural complexity at the individual tree level and might be used along with other stand-level indexes to reflect the“tree-to-stand”correlation of canopy structural complexity.

关键词： fractal dimension lidar

Grassland Science in a New Era

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Fundamental Research 2023年第2期3卷 149-150页

作者： Guiling Zhao lingli liu Zeng-Yu Wang Zhenong Jin Jin-Sheng He Division of Environment and Ecology Department of Life SciencesNational Natural Science Foundation of ChinaBeijing 100085China State Key Laboratory of Vegetation and Environmental Change Institute of BotanyChinese Academy of SciencesBeijing 100093China College of Grassland Science Qingdao Agricultural UniversityQingdao 266109China Department of Bioproducts and Biosystems Engineering University of MinnesotaMN 55455United States State Key Laboratory of Herbage Improvement and Grassland Agro-Ecosystems and College of Pastoral Agriculture Science and TechnologyLanzhou UniversityLanzhou 730000China Institute of Ecology College of Urban and Environmental SciencesPeking UniversityBeijing 100871China

Grasslands are one of the major biomes on Earth,covering approximately 25%of the terrestrial planet.Human history is deeply intertwined with grassland biomes,where we,as a natural species,first walked upright 2 million years ago.Today,grassland ecosystems continue to play an important role in people's livelihoods by producing meat and dairy products,providing habitats for biodiversity,and delivering essential ecosystem services such as climate regulation and cultural heritage.

关键词： grassland planet habitat

The grassland carbon cycle:Mechanisms,responses to global changes,and potential contribution to carbon neutrality

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Fundamental Research 2023年第2期3卷 209-218页

作者： lingli liu Emma J.Sayer Meifeng Deng Ping Li Weixing liu Xin Wang Sen Yang Junsheng Huang Jie Luo Yanjun Su JoséM.Grünzweig Lin Jiang Shuijin Hu Shilong Piao State Key Laboratory of Vegetation and Environmental Change Institute of BotanyChinese Academy of SciencesBeijing 100093China University of Chinese Academy of Sciences Beijing 100049China Lancaster Environment Centre Lancaster UniversityLancaster LA14YQUnited Kingdom Department of Evolutionary Biology and Environmental Studies University of ZurichZurich 8057Switzerland Institute of Plant Sciences and Genetics in Agriculture The Robert H.Smith Faculty of AgricultureFood and EnvironmentThe Hebrew University of JerusalemRehovot 7610001Israel School of Biological Sciences Georgia Institute of Technology310 Ferst DriveAtlantaGA 30332United States Department of Plant Pathology North Carolina State UniversityRaleighNC 27607United States Sino-French Institute for Earth System Science College of Urban and Environmental SciencePeking UniversityBeijing 100871China National Hulunber Grassland Ecosystem Observation and Research Station Institute of Agricultural Resources and Regional PlanningChinese Academy of Agricultural SciencesBeijing 100081China

Grassland is one of the largest terrestrial biomes,providing critical ecosystem services such as food production,biodiversity conservation,and climate change mitigation.Global climate change and land-use intensification have been causing grassland degradation and desertification worldwide.As one of the primary medium for ecosystem energy flow and biogeochemical cycling,grassland carbon(C)cycling is the most fundamental process for maintaining ecosystem services.In this review,we first summarize recent advances in our understanding of the mechanisms underpinning spatial and temporal patterns of the grassland C cycle,discuss the importance of grasslands in regulating inter-and intra-annual variations in global C fluxes,and explore the previously unappreciated complexity in abiotic processes controlling the grassland C balance,including soil inorganic C accumulation,photochemical and thermal degradation,and wind erosion.We also discuss how climate and land-use changes could alter the grassland C balance by modifying the water budget,nutrient cycling and additional plant and soil processes.Further,we examine why and how increasing aridity and improper land use may induce significant losses in grassland C stocks.Finally,we identify several priorities for future grassland C research,including improving understanding of abiotic processes in the grassland C cycle,strengthening monitoring of grassland C dynamics by integrating ground inventory,flux monitoring,and modern remote sensing techniques,and selecting appropriate plant species combinations with suitable traits and strong resistance to climate fluctuations,which would help design sustainable grassland restoration strategies in a changing climate.

关键词： Climate changes Land-use change Soil Biotic and abiotic interactions Grassland degradation Grassland restoration Carbon accounting Carbon storage and sequestration mechanisms

Global patterns of the responses of leaf-level photosynthesis and respiration in terrestrial plants to experimental warming

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Journal of Plant Ecology 2013年第6期6卷 437-447页

作者： Junyi Liang Jianyang Xia lingli liu Shiqiang Wan State Key Laboratory of Vegetation and Environmental Change Institute of BotanyChinese Academy of SciencesXiangshanBeijing 100093China University of Chinese Academy of Sciences YuquanluBeijing 100049China State Key laboratory of Cotton Biology Key Laboratory of Plant Stress BiologyCollege of Life SciencesHenan UniversityKaifengHenan 475004China

Aims The balance between leaf photosynthesis and respiration of terrestrial plants determines the net carbon(C)gain by vegetation and consequently is important to climate–C cycle feedback.This study is to reveal the global patterns of the responses of leaf-level net photosynthesis and dark respiration to elevated temperature.Methods Data for leaf-level net photosynthesis rate(P_(n))and dark respiration rate(R_(d))in natural terrestrial plant species with standard deviation(or standard error or confidence interval)and sample size were collected from searched literatures on Web of Science.Then a metaanalysis was conducted to estimate the effects of experimental warming on leaf-level P_(n) and R_(d) of terrestrial plants.Important findings Across all the plants included in the analysis,warming enhanced P_(n) and R_(d) significantly by 6.13 and 33.14%,respectively.However,the responses were plant functional type(PFT)specific.Specifically,photosynthesis of C_(4) herbs responded to experimental warming positively but that of C_(3) herbs did not,whereas their respiratory responses were similar,suggesting C_(4) plants would benefit more from warming.The photosynthetic response declined linearly with increasing ambient temperature.The respiratory responses linearly enhanced with the increase in warming magnitude.In addition,a thermal acclimation of R_(d),instead of P_(n),was observed.Although greater proportion of fixed C was consumed(greater R_(d)/P_(n) ratio),warming significantly enhanced the daily net C balance at the leaf level.This provides an important mechanism for the positive responses of plant biomass and net primary productivity to warming.Overall,the findings,including the contrastive responses of different PFTs and the enhancement in daily leaf net C balance,are important for improving model projection of the climate–C cycle feedback.

关键词： acclimation meta-analysis plant functional type photosynthesis respiration

Four New Indole Alkaloids from Neolamarckia cadamba

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Chinese Journal of Chemistry 2013年第1期31卷 79-83页

作者： lingli liu Shifei Li Qiang Zhang Feng Zhu Wei Yang Hongping He Xiaojiang Hao State Key Laboratory of Phytochemistry and Plant Resource in West China Kunming Institute of Botany Kunming Yunnan 650201 China Graduate University of Chinese Academy of Sciences Beijing 100049 China

在 Neolamarckia cadamba 的叶子的 Phytochemical 调查导致了四新吲哚碱， spirocadambine (1 ) ， dehydraisodihydrocadambine (2 ) ， nitrocadambines A 和 B (3 和 4 ) 的隔离。结构和相对配置被 1D 和 2D NMR 系列建立。Spirocad... 详细信息

关键词：吲哚生物碱植物化学物质二维核磁共振光谱结构一维

Immobilization of functional nano-objects in living engineered bacterial biofilms for catalytic applications

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National Science Review 2019年第5期6卷 929-943页

作者： Xinyu Wang Jiahua Pu Yi liu Fang Ba Mengkui Cui Ke Li Yu Xie Yan Nie Qixi Mi Tao Li lingli liu Manzhou Zhu Chao Zhong Division of Materials and Physical Biology School of Physical Science and TechnologyShanghai Tech University Shanghai Institute of Ceramics Chinese Academy of Sciences University of Chinese Academy of Sciences School of Life Science and Technology Shanghai Tech University Shanghai Institute for Advanced Immunochemical Studies (SIAIS) Shanghai Tech University College of Chemistry&Chemical Engineering Anhui University

Nanoscale objects feature very large surface-area-to-volume ratios and are now understood as powerful tools for catalysis, but their nature as nanomaterials brings challenges including toxicity and nanomaterial pollution.Immobilization is considered a feasible strategy for addressing these limitations.Here, as a proof-of-concept for the immobilization of nanoscale catalysts in the extracellular matrix of bacterial biofilms, we genetically engineered amyloid monomers of the Escherichia coli curli nanofiber system that are secreted and can self-assemble and anchor nano-objects in a spatially precise manner.We demonstrated three scalable, tunable and reusable catalysis systems: biofilm-anchored gold nanoparticles to reduce nitro aromatic compounds such as the pollutant p-nitrophenol, biofilm-anchored hybrid Cd0.9Zn0.1S quantum dots and gold nanoparticles to degrade organic dyes and biofilm-anchored CdSeS@ZnS quantum dots in a semi-artificial photosynthesis system for hydrogen production.Our work demonstrates how the ability of biofilms to grow in scalable and complex spatial arrangements can be exploited for catalytic applications and clearly illustrates the design utility of segregating high-energy nano-objects from injury-prone cellular components by engineering anchoring points in an extracellular matrix.

关键词： nanoscale catalyst immobilization semi-artificial photosynthesis living catalysis bio-inorganic hybrid system hydrogen production

Exploring Seasonal and Circadian Rhythms in Structural Traits of Field Maize from LiDAR Time Series

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Plant Phenomics 2021年第1期3卷 389-403页

作者： Shichao Jin Yanjun Su Yongguang Zhang Shilin Song Qing Li Zhonghua liu Qin Ma Yan Ge lingli liu Yanfeng Ding Frédéric Baret Qinghua Guo Plant Phenomics Research Centre Academy for Advanced Interdisciplinary StudiesCollaborative Innovation Centre for Modern Crop Production Co-Sponsored by Province and MinistryJiangsu Key Laboratory for Information AgricultureNanjing Agricultural UniversityNanjing 210095China Jiangsu Provincial Key Laboratory of Geographic Information Science and Technology International Institute for Earth System SciencesNanjing UniversityNanjingJiangsu 210023China State Key Laboratory of Vegetation and Environmental Change Institute of BotanyChinese Academy of SciencesBeijing 100093China University of Chinese Academy of Sciences Beijing 100049China National Technique Innovation Center for Regional Wheat Production/Key Laboratory of Crop Ecophysiology Ministry of AgricultureNanjing Agricultural UniversityNanjing210095 JiangsuChina Department of Forestry Mississippi State UniversityMississippi State 39759USA Environnement Méditerranéen et Modélisation des Agro-Hydrosystèmes(EMMAH) Institut National de la Recherche AgronomiqueUnitéMixte de Recherche 1114 Domaine Saint-PaulAvignon Cedex 84914France Department of Ecology College of Environmental Sciencesand Key Laboratory of Earth Surface Processes of the Ministry of EducationPeking UniversityBeijing 100871China

Plant growth rhythm in structural traits is important for better understanding plant response to the ever-changing environment.Terrestrial laser scanning(TLS)is a well-suited tool to study structural rhythm under field conditions.Recent studies have used TLS to describe the structural rhythm of trees,but no consistent patterns have been drawn.Meanwhile,whether TLS can capture structural rhythm in crops is unclear.Here,we aim to explore the seasonal and circadian rhythms in maize structural traits at both the plant and leaf levels from time-series TLS.The seasonal rhythm was studied using TLS data collected at four key growth periods,including jointing,bell-mouthed,heading,and maturity periods.Circadian rhythms were explored by using TLS data acquired around every 2 hours in a whole day under standard and cold stress conditions.Results showed that TLS can quantify the seasonal and circadian rhythm in structural traits at both plant and leaf levels.(1)Leaf inclination angle decreased significantly between the jointing stage and bell-mouthed stage.Leaf azimuth was stable after the jointing stage.(2)Some individual-level structural rhythms(e.g.,azimuth and projected leaf area/PLA)were consistent with leaf-level structural rhythms.(3)The circadian rhythms of some traits(e.g.,PLA)were not consistent under standard and cold stress conditions.(4)Environmental factors showed better correlations with leaf traits under cold stress than standard conditions.Temperature was the most important factor that significantly correlated with all leaf traits except leaf azimuth.This study highlights the potential of time-series TLS in studying outdoor agricultural chronobiology.

关键词： crops heading traits

Moving toward a new era of ecosystem science

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Geography and Sustainability 2021年第3期2卷 151-162页

作者： Guirui Yu Shilong Piao Yangjian Zhang lingli liu Jian Peng Shuli Niu Key Laboratory of Ecosystem Network Observation and Modeling Institute of Geographic Sciences and Natural Resources ResearchChinese Academy of SciencesBeijing 100101China Sino-French Institute for Earth System Science College of Urban and Environmental SciencesPeking UniversityBeijing 100871China State Key Laboratory of Vegetation and Environmental Change Institute of BotanyChinese Academy of SciencesBeijing 100093China

Ecosystem is a fundamental organizational unit of the biosphere in which biological communities interact with their non-biological environment through energy flows and material cycles.Ecosystem science is the study of patterns,processes,and services of ecosystems.Since the 1990s,rising concerns regarding global climate change,biodiversity loss,ecosystem degradation,and sustainability of the human-dominated biosphere have stimulated the growth of ecosystem science,which is expected to provide systematic solutions to many of these major issues facing human societies.This paper provides a comprehensive review of the current progress in ecosystem science and identifies some key research challenges facing this discipline.We demonstrate that a key feature of the current progress in ecosystem science is its evolution from primarily theoretical explorations toward more systematic,integrative and application-oriented studies.Specifically,five major changes in the discipline over the past several decades can be identified.These include:(1)the expansion of the primary goal from understanding nature to include human activities;(2)the broadening of the research focus from single ecosystem types to macro-ecosystems comprising multiple regional ecosystems;(3)the shifting of research methods from small-scale observations and experiments to large-scale observations,network experiments,and model simulations;(4)the increasing attention to comprehensive integration of ecosystem components,processes,and scales;and(5)the shifting from a primarily biology-oriented focus to an integrated multi-disciplinary scientific field.While ecosystem science still faces many challenges in the future,these directional changes,along with the rapidly enriched research tools and data acquisition capabilities,lay a promising ground for the discipline’s future as a fundamental scientific basis for solving many environmental challenges facing human societies.

关键词： Large-scale macro-systems Sustainable development Interdisciplinary research Ecosystem science