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Projected Changes in the Climate Zoning of Côte d’Ivoire

Atmospheric and Climate Sciences 2024年第1期14卷 62-84页

作者： Mamadou Diarrassouba Adama Diawara Assi Louis Martial Yapo benjamin Komenan kouassi Fidèle Yoroba Kouakou Kouadio Dro Touré Tiemoko Dianikoura Ibrahim Koné Arona Diedhiou Laboratory of Sciences Matter Environment and Solar Energy (LASMES) University Félix Houphou&#235t-Boigny Abidjan C&#244te d’Ivoire Geophysical Station of Lamto (GSL) N’douci C&#244te d’Ivoire Laboratory of Fundamental and Applied Physics University Nangui Abrogoua Abidjan C&#244te d’Ivoire Université Grenoble Alpes (UGA) Institut des Géosciences de l’Environnement (IGE) Institut de Recherche pour le Développement (IRD) Centre National de Recherche Scientifique (CNRS) Institut National Polytechnique (INP) Grenoble France African Centre of Excellence on Climate Change Biodiversity and Sustainable Agriculture (ACE-CCBAD)/University Felix Houphou&#235t-Boigny (UFHB) Abidjan C&#244te d’Ivoire

This study assesses the projected changes in the climate zoning of Côte d’Ivoire using the hierarchical classification of principal components (HCPC) method applied to the daily precipitation data of an ensemble of 14 CORDEX-AFRICA simulations under RCP4.5 and RCP8.5 scenarios. The results indicate the existence of three climate zones in Côte d’Ivoire (the coastal, the centre and the north) over the historical period (1981-2005). Moreover, CORDEX simulations project an extension of the surface area of drier climatic zones while a reduction of wetter zones, associated with the appearance of an intermediate climate zone with surface area varying from 77,560 km2 to 134,960 km2 depending on the period and the scenario. These results highlight the potential impacts of climate change on the delimitation of the climate zones of Côte d’Ivoire under the greenhouse gas emission scenarios. Thus, there is a reduction in the surface areas suitable for the production of cash crops such as cocoa and coffee. This could hinder the country’s economy and development, mainly based on these cash crops.

关键词： Climate Projection Climate Zone Principal Component Analysis Hierarchical Classification on Principal Components CORDEX Côte d’Ivoire

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Hydrological Characterization of Water Resources Used for Sugarcane Production in the Sugar Complexes of Ferkessedougou (North of Côte d’Ivoire)

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Journal of Geoscience and Environment Protection 2021年第12期9卷 1-15页

作者： Affoué Berthe yao Sampah Georges Eblin Gla Blaise Ouedé Kouakou Lazare kouassi Do Ange Désiré Soro Arona Diedhiou Bi Crépin Péné Laboratory of Environmental Sciences and Technologies UFR Environment Jean Lorougnon Guédé University Daloa C&#244 te d’Ivoire Laboratory NEXUS “Climate Water Agriculture Energy Nexus and Climate Services” Research and Development Institute Felix Houphou&#235 t Boigny University Abidjan C&#244 te d’Ivoire Research and Development Department SUCAF-CI Ferkessedougou C&#244 te d’Ivoire

Water resources, although renewable, are limited and threatened by climate change and anthropic activities. Assessment and forecasting of these resources can provide valuable information for water resource planners. This study aims to quantify the surface water resources used for sugarcane production in sugar complexes of Ferkessedougou. This is based on the morphological characterization of the river Morrison and Lopkoho dams and on extreme daily flow probability of occurrence estimation using frequency analysis method. The bathymetric survey showed that the Morrison Dam impoundment had a maximum depth of 11.98 m;a water capacity of 11,656,735.5 m3. For the Lokpoho dam, the reservoir had a maximum depth of 8.82 m, which corresponds to a water volume of 4,354,531.5 m3. Nevertheless, the water capacity of these reservoirs is greatly reduced by a large volume of sediment estimated at 1,013,058.96 m3 for Morrison and 599,740 m3 for Lokpoho. Statistical analysis of maximum daily flows shows that flows between 73.9 and 100 m3/s have the potential to occur every five years at the Route Korhogo Badikaha hydrometric station. The recurrence of the decennial (298 m3) and quinquenal (248 m3) flows shows the importance of the flood flows of the Bandama River. It also shows that the low water levels of the Bandama are very pronounced. The minimum flow that SUCAF-CI water managers should expect every five years is 1.36 m3/s and the ten-year low flow is 2.10 m3/s. These results are indicators of water scarcity risks and could guide decision making in the Ferkessedougou sugar complexes.

关键词： Bathymetric Survey Flow Quantile Return Period Sugar Complexes Côte d’Ivoire

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Study of the Physico-Chemical Characteristics of Methacompost from a Poultry Company in Ivory Coast: Test for Growing Big Sun Chilli

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Journal of Agricultural Chemistry and Environment 2023年第4期12卷 335-350页

作者： Ahissan Donatien Ehouman Adjoumani Rodrigue Kouakou Gbangbo Remis Konan Kadjo benjamin Abi Ahou Adeline Estelle N’Dri benjamin yao Laboratoire de Thermodynamique et Physico-Chimie du Milieu Université Nangui Abrogoua Abidjan C&ocircte d’Ivoire école Doctorale Polytechnique Institut National Polytechnique Félix Houphou&eumlt-Boigny Yamoussoukro C&ocircte d’Ivoire Centre d’Excellence Africain Pour la Valorisation des Déchets en Produits à Haute Valeur Ajoutée (CEA-VALOPRO) Institut National Polytechnique Félix Houphou&eumlt-Boigny (INP-HB) Yamoussoukro C&ocircte d’Ivoire Ecole Supérieur Saint Chalmel de Yopougon-Abidjan Grande Ecole Privé Abidjan C&ocircte d’Ivoire

The objective of this work was to determine the suitability of poultry methacompost from the 2nd methanizer of the BRIN FOUNDATION in yaokokoroko (Bondoukou, Côte d’Ivoire), to be used in the improvement of soil fertility. The methacompost studied has a C/N ratio = 17.26, which could characterize a stable methacompost with high amending power. It also contains mineral elements Nitrogen (N) = 0.68% DM;Phosphorus (P) = 0.084% DM;Potassium (K) = 0.67% DM;Calcium (Ca) = 0.65% DM;Magnesium (Mg) = 0.15% DM. red in the standard relating to the organic amendments (NFU 44-051). The methacompost has fertilizing and amending properties and could not present any risk for vegetation and soils.

关键词： Poultry Methacompost Methanization Digestate Trace Metal Elements (TME) Organic Amendment Poultry Farm

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Craniofacial Horn Injuries: Rares Lesional Entities at the University Hospital of Bouaké(Côte d’Ivoire)

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Open Journal of Stomatology 2018年第7期8卷 250-257页

作者： Eric kouassi Zegbeh-N’Guessan Adoubs Célestin Benie Gohi Serge Irie Bi Rokiatou Kone-Kamate Serge yao Konan Grébéret Emmanuel Crezoit Department of Odontostomatology and Maxillofacial Surgery of the University Hospital of Bouaké C&ocirc te d’Ivoire Department of Pediatric Surgery CHU Bouaké C&ocirc te d’Ivoire Resuscitation and Anesthesiology Department of the University Hospital of Bouaké C&ocirc te d’Ivoire Department of Neurosurgery of the University Hospital of Bouaké C&ocirc te d’Ivoire

Aim: Describe the epidemiological, clinical and therapeutic particularities of craniofacial trauma by encornment. Type of study: This was a retrospective and descriptive study. Material and methods: It took place in the surgical emergency departments of Bouaké (Côte d’Ivoire) University Hospital from January 2013 to December 2017, for a period of 5 years. It focused on patients of 0 to 5 years old admitted for craniofacial trauma involving the horn of a bovine. Results: Of the 26 cases of traumatic encornment, 11 were craniofacial location (42%). There were 9 male and 2 female victims. The average age was 10.54 years with extremes of 6 months and 24 years. Patients came from rural areas of Côte d’Ivoire. Bovids were responsible for all causal encornements. The lesions involved the scalp (3 cases) and the face (8 cases). The lesions were cutaneous-musculo skeletal in 7 cases. The surgical treatment included debridement associated to a suture in all cases and associated with maxillo mandibular blockage in 3 cases and duro-cranioplasty in one case. Conclusion: In the local context, facial cranio traumatism by encornement is rare and seems to be essentially infantile, masculine and rural problem.

关键词： Cranio Facial Trauma Encornement Cow

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Contribution of COVID-19 Pandemic on the Human Development of Young Researchers at Institut Pasteur de Côte d’Ivoire

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Advances in Infectious Diseases 2022年第4期12卷 646-655页

作者： yao Serge Stéphane Kouamé kouassi Bernadin Kragbe Daugbley Guy Roland Golly Koffi Julien Diplo Tchepé Flore Bernadette Anné Bléssa Jean Claude Dosso Mireille Department of Parasitology-Mycology (IPCI) Institut Pasteur de C&#244 te d’Ivoire (IPCI) Abidjan C&#244 te d’Ivoire Department of Health Environment Institut Pasteur de C&#244 te d’Ivoire (IPCI) Abidjan C&#244 te d’Ivoire Reception and Collection Unit Institut Pasteur de C&#244 te d’Ivoire (IPCI) Abidjan C&#244 te d’Ivoire Department of Technique and Technology (IPCI) Institut Pasteur de C&#244 te d’Ivoire (IPCI) Abidjan C&#244 te d’Ivoire Department of Bacteriology and Virology (IPCI) Institut Pasteur de C&#244 te d’Ivoire (IPCI) Abidjan C&#244 te d’Ivoire

The response to the COVID-19 pandemic has compelled Institut Pasteur de Cote d’Ivoire (IPCI) to set up strategies for an outstanding mobilisation of human resources to fight against it. Among these strategies, we can quote the screening of people requesting COVID-19 tests at IPCI for emergency travel after the lifting of flight restrictions. Newly recruited Young researchers at IPCI, as well as Ph.D. students and trainees, were mobilised. This document describes firstly, the benefits, knowledge acquired, and difficulties encountered, and secondly, recommendations to be followed for a future large-scale epidemic. This study helped to outline some achievements, such as upgrading the talents of young researchers, strong collaboration between young researchers from different fields, and between IPCI and other institutions. The lessons learned are numerous, including mood and stress management. The difficulties encountered during this study are mainly misunderstandings, increased workload, and insufficient awareness of COVID-19 travel test procedures. These results are relevant for a possible pandemic management in our country, as well as in other African countries.

关键词： Pandemic COVID-19 Human Development Management Travelers

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New Triterpenoid Isolated from the Roots of Gouania longipetala Hemsl

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Open Journal of Applied Sciences 2024年第11期14卷 3069-3076页

作者： Anderson Claver Kimou Kouamé Jean-Michel Koffi Seri Chardin Seri Zachée Louis Evariste Akissi Kurouindé Viviane Nemlin Akoua Philomène yao-kouassi Laurence Voutquenne-Nazabadioko Laboratoire de Constitution et Raction de la Matire UFR Sciences des Structures de la Matire et de Technologie Universit Flix Houphout-Boigny Abidjan Cte dIvoire Laboratoire des Procds Industriels de Synthse de lEnvironnement et des Energies Nouvelles (LAPISEN) Institut National Polytechnique Flix Houphout-Boigny de Yamoussoukro Yamoussoukro Cte dIvoire UMR 7312 Institut de Chimie Molculaire de Reims (ICMR) Chimie des Substances Naturelles (CNRS) Universit de Reims Champagne-Ardenne Reims France Classe Prparatoires aux Grandes Ecoles (CPGE) Universit de San Pedro San Pedro Cte dIvoire

Gouania longipetala Hemsl. (Rhamnaceae) is a medicinal plant from Côte d’Ivoire used to treat many diseases like malaria, gastrointestinal infections and gout. Scientific research of aerial part revealed the presence of triterpenoid compounds, saponins, phenolic compounds and flavonoids and also mentioned antibacterial, antioxydant and anti-inflammatory activities. Despite the various therapeutic uses of the plant, no scientific research mentions the chemical content of the root. So, this phytochemical investigation is made to identify secondary metabolites present in the hydromethanolic extract of its roots. And the research led to the isolation and characterization of three lupane-type triterpenoid compounds: a novel compound derived from gouanic acid, lupeol (1) and betulin (2), which had been previously reported in the literature. The newly discovered lupane-triterpenoid was identified as 1α-hydroxy-lup-20(29)-en-3-oxo-27,28-dioic acid (3). The structures of these compounds were determined based on analyses of spectroscopic data, including 1D-NMR, 2D-NMR and HR-ESI-MS techniques.

关键词： Gouania longipetala Rhamnaceae Lupane-Type Triterpenoids

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Childhood Heart Disease in Côte d’Ivoire: Retrospective Multicentric Study about 228 Cases

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Open Journal of Pediatrics 2018年第4期8卷 375-388页

作者： Richard Azagoh-Kouadio Kouakou Florent Diby Kouadio Vincent Asse Loa Gnaba Koko Aude Aka-Tanoh Kossonou Roland Yeboua kouassi Christian yao Christelle Avi Soumahoro Oulai Paediatric Ward of University Teaching Hospital of Treichville Abidjan Cote d’Ivoire Department of Cardiovascular and Thoracic Diseases CHU de Bouaké Bouaké Cote d’Ivoire Paediatric Ward of University Teaching Hospital of Bouake Bouaké Cote d’Ivoire

Introduction: In Cote d’Ivoire, the paediatrician has to face a diagnosis and management problem in front of pediatric heart disease, with consequent a high lethality. Objective: To describe the epidemiological, diagnostic, therapeutic and progressive aspects of childhood cardiopathy for the improvement of prognosis and professional practice. Materials and methods: This was a multicenter retrospective and descriptive study conducted from January 2011 to March 2016 in two main hospitals universities, one located in Abidjan and the other in Bouaké. It concerned children aged 0 to 15 admitted for cardiac disease diagnosed on clinical and/or echocardiographic arguments. The variables studied were the epidemiological, diagnostic, therapeutic and evolutionary aspects. Results: A total of 49.760 admissions including 228 infantile heart disease cases (congenital 113, acquired 51, indeterminate 64) are overall prevalence of 4.6‰. They involved 106 boys and 122 girls. In 74.6% of cases, the age was between 0 and 2 years. Respiratory distress 73.7% was the main reason for consultation. The main congenital heart diseases (CHD) are ventricular septal defect (VSD) (31%), atrial septal defect (ASD) (20.4%), atrioventricular canal (AVSD) (12.4%) and tetralogy of Fallot (TOF) (11.5%). As for acquired forms (AHD), rheumatic mitral insufficiency (41.2%) and tuberculous pericarditis (15.7%) were the two main causes. Treatment progress is marked by stabilization (71.1%) and death (14%). Death was significantly associated with low socioeconomic status (p = 0.01) and with complication (p 0.001). Conclusion: Infantile heart diseases are relatively less frequent and serious in Cote d’Ivoire. To improve the prognosis, close collaboration between the pediatrician and the cardiologist is required for early diagnosis and management.

关键词： Child Congenital Heart Disease Acquired Heart Disease Ivory Coast

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Ascites of Great Abundance Revealing a Nephrotic Congenital Syndrome at the University Teaching Hospital of Bouaké: About a Case

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Open Journal of Pediatrics 2018年第1期8卷 19-24页

作者： Kouadio Vincent Asse kouassi Christian yao Richard Azagoh-Kouadio Serge Gohi Bi Irie Kossonou Roland Yeboua John Patrick Yenan Koko Aude Aka-Tanoh Christelle Avi Paediatric Ward of University and Teaching Hospital of Bouake Bouaké Cote d’Ivoire Paediatric Ward of University and Teaching Hospital of Treichville Abidjan Cote d’Ivoire Polyvalent Reanimation Ward of University and Teaching Hospital of Bouaké Bouaké Cote d’Ivoire

Congenital nephrotic syndrome (CNS) is defined as the presence of proteinuria > 50 mg/kg/24h associated with a protein concentration g/L or albuminemia 30 g/L in an infant less than 3 months old. The CNS is rare, of various clinical forms dominated by the Finnish type caused by a mutation of the NPHS1 gene located on chromosome 19. The edematous syndrome is the most common mode of discovery. We report a case discovered in an infant of 50 days admitted for ascites of great abundance. The aim of this study was to describe the main epidemiological, diagnostic, therapeutic and evolutionary aspects of this syndrome. Improving the prognosis of this condition requires advocacy with the political authorities of Cote d’Ivoire to provide Teaching Hospital for the resources needed to perform kidney transplantation.

关键词： Ascites Congenital Nephrotic Syndrome Finnish Type Renal Transplantation Cote d’Ivoire

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Contraceptive Experiences of Women of Procreation Age Who Attended Two HealthCenters in the City of Abidjan (Cote d’Ivoire)

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Health 2023年第1期15卷 1-19页

作者： Essis Esme Marie Laure Koffi kouassi benjamin Manouan N’guetta Mathilde Coulibaly-Koné Soltié Aminata Bamba Iba Kpebo Djoukou Olga Denise Konan Loukou Leandres Aka Joseph Ndola Prata National Institute of Public Health Abidjan C&#244 te d’Ivoire Reproductive Health Research Unit of Cô te d’Ivoire Abidjan C&#244 te d’Ivoire Regional Health Directorate of the Me Abidjan C&#244 te d’Ivoire Department of Public Health and Biostatistics Faculty of Medicine Université Félix Houphou&#235 t Boigny Abidjan C&#244 te d’Ivoire Bixby Center for Population Health and Sustainability School of Public Health University of California Berkeley CA USA

Introduction: Maternal mortality, which is estimated at 614 deaths per 100,000 births in Côte d’Ivoire, is associated with a low national contraceptive prevalence rate of 13.9%. In this study, we are interested in the contraceptive experiences of women who attend health centers to estimate their rate of contraceptive use and to assess the factors involved in the use of modern contraceptive methods among women of childbearing age who are exposed to the risk of pregnancy. Method: A descriptive cross-sectional study was conducted from December 2018 to September 2019 among 423 women, who attended two health centers in Abidjan. A bivariate analysis identified factors associated with contraceptive use by these women. A descriptive analysis determined the means for the quantitative variables and the frequencies and percentages of qualitative variables. Interpretation of results was based on significance (α = 5%, 95% CI). Results: Contraceptive prevalence was 37%. There was a significant relationship between contraceptive use and the socio-demographic and reproductive characteristics of women (p Conclusion: Women who were over 35 years age, uneducated, primary school graduates, housewives, unemployed, in the informal sector, Muslims, nulliparous, and lacking information and decision-making power were less likely to use modern contraceptive methods. They are the target population for strategic interventions to improve contraceptive prevalence.

关键词： Use Contraceptive Methods Women Health Centers Côte d’Ivoire Africa

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Characterizing Human Collective Behaviors During COVID-19 — Hong Kong SAR, China, 2020

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China CDC weekly 2023年第4期5卷 71-75,I0001-I0003页

作者： Zhanwei Du Xiao Zhang Lin Wang Sidan yao Yuan Bai Qi Tan Xiaoke Xu Sen Pei Jingyi Xiao Tim K.Tsang Qiuyan Liao Eric H.YLau Peng Wu Chao Gao benjamin J.Cowling WHO Collaborating Centre for Infectious Disease Epidemiology and Control School of Public HealthLi Ka Shing Faculty of MedicineThe University of Hong KongHong Kong Special Administrative RegionChina Laboratory of Data Discovery for Health Hong Kong Science and Technology ParkNew TerritoriesHong Kong Special Administrative RegionChina Department of Genetics University of CambridgeCambridgeCB23EHUK Institute of High Performance Computing(IHPC) Agency for ScienceTechnology and Research(A*STAR)Singapore College of Information and Communication Engineering Dalian Minzu UniversityDalian CityLiaoning ProvinceChina Department of Environmental Health Sciences Mailman School of Public HealthColumbia UniversityNew York CityNYUSA School of Artificial Intelligence Opticsand Electronics(iOpen)Northwestern Polytechnical UniversityXi’an CityShaanxi ProvinceChina

Summary What is already known about this topic?People are likely to engage in collective behaviors online during extreme events,such as the coronavirus disease 2019(COVID-19)crisis,to express awareness,take action,and... 详细信息

关键词： collective likely extreme

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