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Development of a Web-Based GIS of Flood Zones in the Municipality of Ouagadougou in Burkina Faso

Journal of Geographic Information System 2024年第1期16卷 32-43页

作者： Halidou Kafando Blaise Ouedraogo Vincent Nduka Ojeh Andreas Rienow Aliou Gadiaga Ibrahim Elh Maman Garba WASCAL Graduate Research Programme on Climate Change and Education Department of Agriculture and Environment Science University of The Gambia Kanifing The Gambia Institute of Environment and agricultural Research Ouagadougou Burkina Faso department of Geography Faculty of Social Sciences Taraba State University Jalingo Nigeria Interdisciplinary Geographic Information science Institute of Geography Ruhr-University Bochum Bochum Germany WASCAL Graduate Research Programme on Climate Change and Human Habitat University of Mina Mina Nigeria

This document describes the creation of an informative Web GIS aimed at mitigating the impacts of flooding in the municipality of Ouagadougou, in Burkina Faso, a region that is highly sensitive to climate change. Burkina Faso, which is undergoing rapid urbanization, faces major natural threats, particularly flooding, as demonstrated by the severe floods of 2009 that caused loss of life, injury, structural damage and economic losses in Ouagadougou. The aim of this research is to develop a web map highlighting the municipality’s flood-prone areas, with a view to informing and raising awareness of flood risk reduction. Using the Leaflet JavaScript mapping library, the study uses HTML, CSS and JavaScript to implement web mapping technology. Data on Ouagadougou’s flood zones is generated by a multi-criteria analysis combining Saaty’s AHP method and GIS in QGIS, integrating seven (7) parameters including hydrography, altitude, slope, rainfall, soil types, land use and soil moisture index. QGIS processes and maps the themes, PostgreSQL with PostGIS serves as the DBMS and GeoServer functions as the map server. The Web GIS platform allows users to visualize the different flood risks, from very low to very high, or the high-risk areas specific to Ouagadougou. The AHP calculations classify the municipality into five flood vulnerability zones: very low (24.48%), low (27.93%), medium (23.01%), high (17.11%) and very high (7.47%). Effective risk management requires communication and awareness-raising. This online mapping application serves as a tool for communication, management and flood prevention in Ouagadougou, helping to mitigate flood-related natural disasters.

关键词： Web GIS Flood Mapping Leaflet JavaScript Mapping Library Analysis Hierarchical Processes (AHP) Climate Change Adaptation Ouagadougou Municipality

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Conservation genomics of the critically endangered Chinese pangolin

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science China Life sciences 2024年

作者： Shichao Wei Huizhong Fan Wenliang Zhou Guangping Huang Yan Hua Shibao Wu Xiao Wei Yiting Chen Xinyue Tan Fuwen Wei Jiangxi Province Key Laboratory of Conservation Biology College of Forestry Jiangxi Agricultural University Center for Evolution and Conservation Biology Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou) Institute of Zoology Chinese Academy of Sciences Guangdong Provincial Key Laboratory of Silviculture Protection and Utilization Guangdong Academy of Forestry School of Life science South China Normal University Terrestrial Wildlife Rescue and Epidemic Diseases Surveillance Center of Guangxi

The Chinese pangolin(Manis pentadactyla, MP) has been extensively exploited and is now on the brink of extinction, but its population structure, evolutionary history, and adaptive potential are unclear. Here, we analyzed 94 genomes from three subspecies of the Chinese pangolin and identified three distinct genetic clusters(MPA, MPB, and MPC), with MPB further divided into MPB1 and MPB2 subpopulations. The divergence of these populations was driven by past climate change. For MPB2 and MPC, recent human activities have caused dramatic population decline and small population size as well as increased inbreeding, but not decrease in genomic variation and increase in genetic load probably due to strong gene flow; therefore, it is crucial to strengthen in situ habitat management for these two populations. By contrast, although human activities have a milder impact on MPA, it is at high risk of extinction due to long-term contraction and isolation, and genetic rescue is urgently needed. MPB1 exhibited a relatively healthy population status and can potentially serve as a source population. Overall, our findings provide novel insights into the conservation of the Chinese pangolin and biogeography of the mammals of eastern Asia.

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Intelligent diagnostic model for pterygium by combining attention mechanism and MobileNetV2

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International Journal of Ophthalmology(English edition) 2024年第7期17卷 1184-1192页

作者： Mao-Nian Wu Kai He Yi-Bei Yu Bo Zheng Shao-Jun Zhu Xiang-Qian Hong Wen-Qun Xi Zhe Zhang School of Information Engineering Huzhou UniversityHuzhou 313000Zhejiang ProvinceChina Zhejiang Province Key Laboratory of Smart management and Application of Modern agricultural Resources Huzhou UniversityHuzhou 313000Zhejiang ProvinceChina School of Mathematical Information Shaoxing UniversityShaoxing 312000Zhejiang ProvinceChina Shenzhen Eye Institute Shenzhen Eye HospitalJinan UniversityShenzhen 518040Guangdong ProvinceChina

AIM:To evaluate the application of an intelligent diagnostic model for pterygium.METHODS:For intelligent diagnosis of pterygium,the attention mechanisms—SENet,ECANet,CBAM,and Self-Attention—were fused with the lightweight MobileNetV2 model structure to construct a tri-classification model.The study used 1220 images of three types of anterior ocular segments of the pterygium provided by the Eye Hospital of Nanjing Medical university.Conventional classification models—VGG16,ResNet50,MobileNetV2,and EfficientNetB7—were trained on the same dataset for comparison.To evaluate model performance in terms of accuracy,Kappa value,test time,sensitivity,specificity,the area under curve(AUC),and visual heat map,470 test images of the anterior segment of the pterygium were used.RESULTS:The accuracy of the MobileNetV2+Self-Attention model with 281 MB in model size was 92.77%,and the Kappa value of the model was 88.92%.The testing time using the model was 9ms/image in the server and 138ms/image in the local computer.The sensitivity,specificity,and AUC for the diagnosis of pterygium using normal anterior segment images were 99.47%,100%,and 100%,respectively;using anterior segment images in the observation period were 88.30%,95.32%,and 96.70%,respectively;and using the anterior segment images in the surgery period were 88.18%,94.44%,and 97.30%,respectively.CONCLUSION:The developed model is lightweight and can be used not only for detection but also for assessing the severity of pterygium.

关键词： deep learning attention mechanism pterygium intelligent diagnosis

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First Report of Fusarium striatum Causing Root Rot Disease of Panax notoginseng in yunnan,China

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Phyton-International Journal of Experimental Botany 2022年第1期91卷 13-20页

作者： Xuan Zhou Chongyu Luo Kuixiu Li Dan Zhu Lihui Jiang Lixia Wu Youchun Li Xiahong He Yunlong Du College of Plant Protection Yunnan Agricultural UniversityKunming650201China Key Laboratory of Agro-Biodiversity and Pest management of Education Ministry of China Yunnan Agricultural UniversityKunming650201China State Key Laboratory for Conservation and Utilization of Bio-Resources in yunnan Yunnan Agricultural UniversityKunming650201China

Panax notoginseng is a traditional Chinese medicinal plant.Root rot of P.notoginseng is one of the most serious diseases affecting P.notoginseng growth and causes wilted leaves,fewer lateral roots and rotten roots.Root rot is a soil-borne disease,and mainly occurs from June to August in yunnan Province when the temperatures are high and the air is humid.In this study,the endophytic fungal genus Fusarium isolate E-2018.1.22-#3.2 was obtained from a P.notoginseng embryo.Fusarium isolate E-2018.1.22-#3.2 was identified as Fusarium striatum based on morphological characteristics and molecular analysis.The fungus was found to have conidiophores and macroconidia,and its ITS,LSU and TEF-1αgenes shared 100%,99.2%and 99%identities with the homologous genes of Fusarium striatum,respectively.Isolate F.striatum E-2018.1.22-#3.2 can cause root rot symptoms,including black,soft roots,fewer lateral roots and leaf wilt,in 93%of the experimental P.notoginseng plants,and could be re-isolated,fulfilling Koch’s postulates.When the P.notoginseng plants were treated with the fungicide pyraclostrobin,isolate F.striatum E-2018.1.22-#3.2 was unable to cause root rot.We have therefore demonstrated that F.striatum E-2018.1.22-#3.2 is able to cause root rot disease in P.notoginseng.This is the first report of root rot disease caused by F.striatum on P.notoginseng in China.

关键词： Panax notoginseng Fusarium striatum root rot disease endophytic fungus

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Hypoglycemic effect of Moringa oleifera leaf extract and its mechanism prediction based on network pharmacology

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未来食品学报(英文) 2023年第4期3卷 383-391页

作者： Zishan Hong Jing Xie Huili Hu Yuying Bai Xia Hu Tingting Li Jinlian Chen Jun Sheng Yang Tian College of Food science and technology Yunnan Agricultural UniversityKunming 650201China National Research and Development Professional Center for Moringa Processing technology Yunnan Agricultural UniversityKunming 650201China yunnan Provincial Engineering Research Center for Edible and Medicinal Homologous Functional Food Yunnan Agricultural UniversityKunming 650201China Engineering Research Center of Development and Utilization of Food and Drug Homologous Resources Ministry of EducationYunnan Agricultural UniversityKunming 650201China Key Laboratory of Pu-er Tea science Ministry of EducationYunnan Agricultural UniversityKunming 650201China

Diabetes mellitus(DM)is a chronic metabolic disease characterized by hyperglycemia,which poses a serious threat to human health.Moringa oleifera Lam.is a medicinal and edible plant with various physiological functions.However,its main hypoglycemic components and mechanisms are still unclear.In this study,network pharmacology and bioinformatics were used to analyze the potential bioactive substances of M.oleifera leaf extract(MOLE)and its hypoglycemic mechanism.Studies have shown that MOLE has the effect of increasing glucose consumption in insulin resistant-HepG2 cells.MOLE was found to contain 975 compounds by ultrahigh performance liquid chromatography-mass spectrometry(UHPLC-MS).Network pharmacology analysis indicated that the main active component was robinetin and the identified core genes were AKT1 and GAPDH.KEGG pathway enrichment analysis showed that the hypoglycemic effect of MOLE may be closely related to the PI3K-Akt signaling pathway.This study revealed the possible active components and mechanisms of action of M.oleifera for hypoglycemia,laying the theoretical foundation for subsequent studies.

关键词： Moringa oleifera leaves Ultrahigh performance liquid chromatographymass spectrometry Hypoglycemia Network pharmacology PI3K-Akt signaling pathway

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A hierarchical salt-rejection strategy for sustainable and high-efficiency solar-driven desalination

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Nano Materials science 2024年第1期6卷 38-43页

作者： Zhengyi Mao Xuliang Chen Yingxian Chen Junda Shen Jianpan Huang Yuhan Chen Xiaoguang Duan Yicheng Han Kannie Wai Yan Chan Jian LU CityU-Shenzhen Futian Research Institute Shenzhen518045China department of Mechanical Engineering City University of Hong Kong83 Tat Chee AvenueKowloonHong KongChina department of Material science and Engineering City University of Hong Kong83 Tat Chee AvenueKowloonHong KongChina department of Biomedical Engineering City University of Hong Kong83 Tat Chee AvenueKowloonHong KongChina School of Chemical Engineering and Advanced Materials The University of AdelaideAdelaideAustralia Hong Kong Branch of National Precious Metals Material Engineering Research Centre City University of Hong Kong83 Tat Chee AvenueKowloonHong KongChina Centre for Advanced Structural Materials City University of Hong Kong Shenzhen Research InstituteGreater Bay Joint DivisionShenyang National Laboratory for Materials ScienceShenzhen518057China

Solar steam generation(SSG)is widely regarded as one of the most sustainable technologies for seawater desalination.However,salt fouling severely compromises the evaporation performance and lifetime of evaporators,limiting their practical applications.Herein,we propose a hierarchical salt-rejection(HSR)strategy to prevent salt precipitation during long-term evaporation while maintaining a rapid evaporation rate,even in high-salinity brine.The salt diffusion process is segmented into three steps—insulation,branching diffusion,and arterial transport—that significantly enhance the salt-resistance properties of the evaporator.Moreover,the HSR strategy overcomes the tradeoff between salt resistance and evaporation rate.Consequently,a high evaporation rate of 2.84 kg m^(-2) h^(-1),stable evaporation for 7 days cyclic tests in 20 wt%NaCl solution,and continuous operation for 170 h in natural seawater under 1 sun illumination were achieved.Compared with control evaporators,the HSR evaporator exhibited a>54%enhancement in total water evaporation mass during 24 h continuous evaporation in 20 wt%salt water.Furthermore,a water collection device equipped with the HSR evaporator realized a high water purification rate(1.1 kg m^(-2) h^(-1)),highlighting its potential for agricultural applications.

关键词： Solar water evaporation 3D printing Salt-rejection Hierarchical structures High efficiency

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2,3-Butanediol from the leachates of pine needles induces the resistance of Panax notoginseng to the leaf pathogen Alternaria panax

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Plant Diversity 2023年第1期45卷 104-116页

作者： Tian-Yao Li Chen Ye Yi-Jie Zhang Jun-Xing Zhang Min Yang Xia-Hong He Xin-Yue Mei Yi-Xiang Liu You-Yong Zhu Hui-Chuan Huang Shu-Sheng Zhu School of Agriculture Yunnan UniversityKunming650500China State Key Laboratory for Conservation and Utilization of Bio-Resources in yunnan Yunnan Agricultural UniversityKunming650201China Key Laboratory of Agro-Biodiversity and Pest management of Education Ministry of China Yunnan Agricultural UniversityKunming650201China Southwest Forestry university Kunming650224China

Compared with the use of monocultures in the field,cultivation of medicinal herbs in forests is an effective strategy to alleviate disease.Chemical interactions between herbs and trees play an important role in disease suppression in forests.We evaluated the ability of leachates from needles of Pinus armandii to induce resistance in Panax notoginseng leaves,identified the components via gas chromatography-mass spectrometry(GC-MS),and then deciphered the mechanism of 2,3-Butanediol as the main component in the leachates responsible for resistance induction via RNA sequencing(RNA-seq).Prespraying leachates and 2,3-Butanediol onto leaves could induce the resistance of P.notoginseng to Alternaria panax.The RNA-seq results showed that prespraying 2,3-Butanediol onto leaves with or without A.panax infection upregulated the expression of large number of genes,many of which are involved in transcription factor activity and the mitogen-activated protein kinase(MAPK) signaling pathway.Specifically,2,3-Butanediol spraying resulted in jasmonic acid(JA)-mediated induced systemic resistance(ISR) by activating MYC2 and ERF1.Moreover,2,3-Butanediol induced systemic acquired resistance(SAR) by upregulating pattern-triggered immunity(PTI)-and effector-triggered immunity(ETI)-related genes and activated camalexin biosynthesis through activation of WRKY33.Overall,2,3-Butanediol from the leachates of pine needles could activate the resistance of P.notoginseng to leaf disease infection through ISR,SAR and camalexin biosynthesis.Thus,2,3-Butanediol is worth developing as a chemical inducer for agricultural production.

关键词： Pinus armandii Allelopathy Herbs Induce resistance Diversity Leaf disease

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Distribution of heavy metals in water and sediment of an urban river in a developing country:A probabilistic risk assessment

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International Journal of Sediment Research 2022年第2期37卷 173-187页

作者： Mir Mohammad Ali Saima Rahman Md Saiful Islam Md Refat Jahan Rakib Shaharior Hossen Md Zillur Rahman Tapos Kormoker Abubakr M. Idris Khamphe Phoungthong Environmental Assessment and technology for Hazardous Waste management Research Center Faculty of Environmental Management Prince of Songkla University Quality Control Chemistry Lab Department of Fisheries department of Aquaculture Sher-e-Bangla Agricultural University Research Center for Advanced Materials science (RCAMS) King Khalid University Institute of Disaster management Khulna University of Engineering and Technology department of Soil science Patuakhali Science and Technology University department of Emergency management Patuakhali Science and Technology University department of Urban and Regional Planning Khulna University of Engineering and Technology department of Fisheries and Marine science Noakhali Science and Technology University department of Fisheries science Chonnam National University department of Chemistry College of Science King Khalid University

River water and sediment embody environmental characteristics that give valuable eco-environmental information.Due to rapid industrialization,the aquatic environment of any urban river can be seriously polluted by heavy metals(HMs).The global concern is caused by heavy metal pollution because of its potential harm to aquatic ecosystems and human health.In the Bhairab River,Bangladesh,surface sediment concentrations of globally alarming toxic metals such as arsenic(As),chromium(Cr),cadmium(Cd),and lead(Pb) were measured to determine the ecological and human health risks of the riverine ecosystem.The average As,Cr,Cd,and Pb concentrations in water were 3.55,31.74,1.44,and23.82 μg/L,respectively,and in sediment were 4.13,34.17,1.66,and 25.46 mg/kg,respectively.During the winter,metals in sediment were higher than during the summer.For most sediment samples,the enrichment factor(EF),contamination factor(CF),geoaccumulation index(I),pollution load index(PLI) of As,Cr,Cd,and Pb indicated moderate contamination.The potential ecological risk(PER) in sediment followed the descending order of Cd> As> Pb> Cr.The contamination level of toxic metals implied that the condition is frightening and probably severely affecting the aquatic ecology of this riverine ecosystem.

关键词： Toxic metals Environmental risk Bioaccumulation Ecological risk Bangladesh

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Animal models for anti-neutrophil cytoplasmic antibody-associated vasculitis:Are current models good enough?

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Animal Models and Experimental Medicine 2023年第5期6卷 452-463页

作者： Fei Huang Yongman Lv Siyang Liu Hao Wu Qingquan Liu department of Geriatrics Tongji HospitalTongji Medical collegeHuazhong University of Science and TechnologyWuhanChina department of General Medicine Tongji HospitalTongji Medical collegeHuazhong University of Science and TechnologyWuhanChina department of Nephrology Tongji HospitalTongji Medical collegeHuazhong University of Science and TechnologyWuhanChina department of health management center Tongji HospitalTongji Medical collegeHuazhong University of Science and TechnologyWuhanChina Interdisciplinary sciences Institute Huazhong Agricultural UniversityWuhanChina State Key Laboratory of agricultural Microbiology College of Veterinary MedicineHuazhong Agricultural UniversityWuhanChina

Antineutrophil cytoplasmic autoantibody(ANCA)-associated vasculitis(AAV)is a rare and severe systemic autoimmune disease characterized by pauci-immune necrotizing inflammation of small blood vessels.AAV involves multiple organ systems throughout the body.Our knowledge of the pathogenesis of AAV has increased considerably in recent years,involving cellular,molecular and genetic factors.Because of the controlled environment with no other confounding factors,animal models are beneficial for studying the mechanistic details of disease development and for providing novel therapeutic targets with fewer toxic side effects.However,the complexity and heterogeneity of AAV make it very difficult to establish a single animal model that can fully represent the entire clinical spectrum found in patients.The aim of this review is to overview the current status of animal models for AAV,outline the pros and cons of methods,and propose potential directions for future research.

关键词： antineutrophil cytoplasmic antibody experimental models pathogenesis vasculitis

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Centranthera grandiflore alleviates alcohol-induced oxidative stress and cell apoptosis

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Chinese Journal of Natural Medicines 2022年第8期20卷 572-579页

作者： GAO Xin-Mei DONG Wen-Han XIA Chun-Lei MA Zhuo-Yi WANG Ying SARRA Setrerrahmane XU Han-Mei QI Wei-Yan The Engineering Research Center of Synthetic Peptide Drug Discovery and Evaluation Jiangsu ProvinceState Key Laboratory of Natural MedicinesMinistry of EducationDepartment of Marine PharmacyChina Pharmaceutical UniversityNanjing 211198China science and technology Administration department of yunnan agricultural university Yunnan 650205China Nanjing Anji Biotechnology Co. Ltd.Nanjing 210033China

Alcohol liver disease(ALD)has become a global threat to human health.It is associated with a wide range of liver diseases including alcohol fatty liver,steatosis,fibrosis and cirrhosis,and finally leads to liver cancer and even death.Centranthera grandiflora is a traditional Chinese medicinal herb commonly used to treat ALD,but no research about its mechanism is available.This study evaluated the hepatoprotective effect and mechanism of C.grandiflora against alcohol-induced liver injury in mice.We found that the ethanol extracts of C.grandiflora(CgW)alleviated the alcohol-induced liver injury,enhanced the levels of antioxidant enzymes,and reduced the amount of lipid peroxides.CgW also affected cell apoptosis by inhibiting the activity of Bax,cleaved-caspase 3 and cleaved-caspase 9,and increasing the activity of Bcl-2.In conclusion,the results showed that CgW can effectively improve ALD through alleviating oxidative stress and inhibiting cell apoptosis for the first time.This study suggested that C.grandiflora is a promising herbal medicine for ALD treatment.

关键词： Centranthera grandiflora Alcohol liver diseases Oxidative stress Apoptosis Hepatoprotective effect

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