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Climate Change-Related Disaster Risk Events in Togo: A Systematic Review

American Journal of Climate Change 2024年第1期13卷 1-13页

作者： Massama-Esso P. Assiah gouvidé jean gbaguidi Mouhamed Idrissou Kossivi Hounake West African Science Service Centre on Climate Change and Adapted Land Use (WASCAL) Department of Geography Faculty of Human and Social Sciences Université de Lomé Lomé Togo école Polytechnique de Lomé Université de Lomé Lomé Togo Faculté de Droit Université de Lomé Lomé Togo

Togo is facing significant climate challenges that have profound consequences for its environment, economy, and population. This study provides an overview of various climate phenomena affecting Togo and highlights potential adaptation strategies. We used the inclusion and exclusion criteria (PRISMA) to search both French and English articles on climate change-related disaster risk events in Togo through Google Scholar, Directory of Open Access Journals (DOAJ), and PubMed databases using the keywords “Climate Change”, “Floods”, “Drought”, “Coastal erosion”, “High winds”, “Epidemy”, Heatwaves”, and “Air pollution”. Twenty-five articles from 2000-2023 were included in this study after applying different criteria. Droughts, floods, coastal erosion, food and crop productivity loss, heatwaves, spread of vector-borne diseases, air pollution, and high winds are among the climate phenomena discussed. These challenges are driven by climate change, altering precipitation patterns, increasing temperatures, and rising sea levels. Drought, floods, coastal erosion, loss of food and crop productivity, spread of vector-borne diseases, air pollution and heatwaves are the most climate risks experienced by Togo. Drought contributes to decreased plant cover, water scarcity, and changes in the water and energy balance. Floods cause property damage, health risks, and disruptions to livelihoods. Coastal erosion threatens coastal communities, infrastructure, and ecosystems. Adaptation strategies include early warning systems, improved water management, sustainable agriculture, urban and health planning, and greenhouse gas emissions reduction. Drought-resistant crops, mosquito control, and clean energy adoption are essential.

关键词： Disaster Risks Impacts Climate Change Vulnerability Togo

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Uncovering the Challenges of Faecal Sludge Management in Benin’s Urban Hubs: The Cases of Abomey-Calavi and Natitingou

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Journal of Environmental Protection 2024年第7期15卷 767-780页

作者： Nikita Topanou Blaise Agbatchi gouvidé jean gbaguidi Jacques Fatombi Fidèle Paul Tchobo Kaba Laboratory of Chemical Research and Application (LaKReCA) Department of Chemistry Faculty of Science and Technology of Natitingou University of Abomey Natitingou Bnin Laboratory of Study and Research in Applied Chemistry Polytechnic School of Abomey-Calavi University of Abomey-Calavi (LERCA/EPAC/UAC) Cotonou Bnin

The issue of faecal sludge management in developing countries remains a significant challenge due to the indiscriminate discharge of sludge into the environment. This practice generates more environmental problems than it solves. This study aims to assess the management of household faecal sludge in the communes of Abomey-Calavi and Natitingou, Benin, in order to optimise the best storage conditions for subsequent more effective treatment. To this end, a sociological survey was conducted among households in Abomey-Calavi and Natitingou, as well as among manual emptiers. The results of our studies revealed that two types of latrines are used in households. 20.55% of households use traditional latrines, while 59.83% use ordinary latrines. 7.97% of households use both types of latrine. Moreover, the depth of the latrines varies from 2.5 m to 7 m in Abomey-Calavi and from 2.5 m to 8 m in Natitingou. Among households with a latrine, 28.26% empty their pit at least once, while 71.74% have never emptied it. The emptying cost varies between 35,000 FCFA and 90,000 FCFA. The mixing of faecal sludge with solid waste, including plastic materials, makes emptying difficult due to the obstruction of the vacuum pump. The results obtained will serve as a reliable database to facilitate decision-making in the context of faecal sludge management.

关键词： Management Faecal Sludge Valorization Benin

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Climate Change-Related Disaster Risk Events in Togo: A Systematic Review

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American Journal of Climate Change（美国气候变化期刊） 2024年第1期 1页

作者： Massama-Esso P.Assiah gouvidé jean gbaguidi Mouhamed Idrissou Kossivi Hounake

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Uncovering the Challenges of Faecal Sludge Management in Benin’s Urban Hubs: The Cases of Abomey-Calavi and Natitingou

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Journal of Environmental Protection（环境保护） 2024年第7期 767页

作者： Nikita Topanou Blaise Agbatchi gouvidé jean gbaguidi Jacques Fatombi Fidèle Paul Tchobo

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Assessment of Some Heavy Metals in Fresh Fish (Oreochromis aureus): Case of Toho Lake in South Eastern Benin, West Africa

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Journal of Geoscience and Environment Protection 2020年第3期8卷 159-172页

作者： Nikita Topanou jean gouvidé gbaguidi Akpo Essegbemon Roger Gérard Josse Daouda Mama Taofiki Aminou Faculty of Science and Technology Natitingou Water and Environmental Chemistry Laboratory Natitingou Benin Hydrology and Water Resources Management (Laboratory of Hydrology Applied) National Water Institute Calavi Benin Ecole de Gestion et de ProductionVégétale et Semencière (EGPVS) Université Nationale d’Agriculture (UNA) Calavi Benin Faculty of Science and Technology of Abomey-Calavi Laboratoire d’Analyse physico-chimique des Milieux Aquatiques (LAPMIA/FAST/CHIMIE/UAC) Cotonou Benin

The protection of aquatic ecosystems is of great importance to maintain the biological balance necessary to secure healthy foods therein imbedded. Toho Lake, located to the south east of Benin, is threatened by pollution emanating from anthropogenic activities with the use of chemical fertilizers, effluent of domestic waste, particularly human and animal excrement with neighbourhood effluents. This study aimed at assessing some heavy metals in fresh fish (Oreochromis aureus) of Toho Lake in order to secure healthy food for the population and protect the ecosystem. Samples of water and fishes were collected and analyzed by HACH DR 3900 after treatment. Results revealed a mean oxygenation of water (4.95 mgo2/l), Biochemical Oxygen Demand (21.5 mgo2/l), Chemical oxygen Demand (149, 39 mg/l) with the nitrogen in Nitrate (NO3: 0.18 mg/l), ammonium nitrate (N-N: 0.47 mg/l), and phosphorous (2.06 mg/l) to be very high. The highest contents of heavy metals obtained in the fresh fish were cadmium (32.25 mg/kg), copper (115 mg/kg), lead (8.25 mg/kg), and zinc (90.75 mg/kg) and revealed that the fishes of Toho lake were polluted. The finding allowed us to conclude that the pollution of the lake and the fish carnage are due to anthropogenic pollution through chemicals spilling. Some protection methods of the lake and ecosystem are proposed in order to keep the fish safe and protect the well-being of the population.

关键词： Fresh Fish Heavy Metals Pollution Toho Lake South Eastern Benin

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Impact of Domestic Solid Waste Management on Wet Land Water Quality: Case of Abomey-Calavi Municipality in Benin Republic

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Natural Resources 2021年第1期12卷 10-17页

作者： Nikita Topanou Jacques K. Fatombi jean gouvidé gbaguidi Taofiki Aminou Josse Gérard Mariane Domeizel Faculty of Science and Technology Natitingou Water and Environmental Chemistry Laboratory Natitingou Benin Laboratoire Chimie Provence Université Aix-Marseille/CNRS Equipe Chimie Environnement Continental-3 Place Victor Hugo Marseille Cedex France Hydrology and Water Resources Management (Laboratory of Hydrology Applied) National Water Institute Calavi Benin Laboratory for Physical-Chemical Analysis of Aquatic Environments (LAPMIA) of the Faculty of Science and Technology (FAST) of Abomey-Calavi University (UAC-Rep of Benin) Abomey-Calavi Benin

The waste management is a major environmental challenge in all the countries. In the Republic of Benin, in absence of controlled landfill, the wetlands are filling in by solid household waste to set up housing environments. This study aimed at identifying the various forms of wetlands water pollutions originated by this practice. Physico-chemical parameters of sampling water were determined by using Ionic chromatography and spectrometry of atomic absorption. The microorganisms indicating fecal peril were identified by the conventional techniques of microbiology. Water quality of a witness well was also used to assess the general water quality of the backfilled wetland. The results revealed the water samples collected from backefilled wetlands were mineralized (898.32 ± 6.13 μs/cm), rich in chlorinate (237.80 ± 4.23 mg/L) and nitrates ions (224.10 ± 3.42 mg/L). They are more colored (399.23 ± 3.01 Pt/Co) and more turbid (62.5 ± 2.48 NTU) than those of the unfilled wetlands. The results of microbiological analysis shown the presence of the cysts of Giardia lamblia (590/100 L) and cysts of Entamoeba histolytica (13/100 L) in all water, except those of witness well. The frequency of water contamination by bacteria indicating general degradation is 86.4%. The embankment of the wetlands by the solid household waste leads to the water pollution.

关键词： Domestic Solid Waste Wetlands Pollution Micro-Organism

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Impact of Domestic Solid Waste Management on Wet Land Water Quality: Case of Abomey-Calavi Municipality in Benin Republic

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Natural Resources（自然资源） 2021年第1期

作者： Nikita Topanou Jacques K. Fatombi jean gouvidé gbaguidi Taofiki Aminou Josse Gérard Mariane Domeizel

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Phytochemical Screening, Nutritional and Toxicological Analyses of Leaves and Fruits of <i>Solanum macrocarpon</i>Linn (Solanaceae) in Cotonou (Benin)

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Food and Nutrition Sciences 2012年第11期3卷 1595-1603页

作者： Tamègnon Victorien Dougnon Honoré Sourou Bankolé Roch Christian Johnson jean Robert Klotoé Godfried Dougnon Fernand gbaguidi Fidèle Assogba Joachim Gbénou Salifou Sahidou jean-Marc Atègbo Bertrand Henri Rhin Frédéric Loko Michel Boko Aléodjrodo Patrick Edorh Department of Animal Physiology Faculty of Science and Technology University of Abomey-Calavi (UAC) Cotonou Benin Laboratory of Pharmacognosy and Essentials Oils Institute of Applied Biomedical Sciences Champ de Foire Cotonou Benin Laboratory of Toxicology and Environmental Health Interfaculty Center of Formation and Research in Environment for the Sustainable Development University of Abomey-Calavi (UAC) Cotonou Benin National Laboratory of Pharmacognosy Benin Center of Scientific and Technical Research and Essential Oils Porto-Novo Benin Research Laboratory in Applied Biology Polytechnic School of Abomey-Calavi University of Abomey-Calavi Cotonou Benin Unit Inserm U525 Faculty of Pharmacy Nancy France Unit of Training and Research in Pharmacy Faculty of Health Sciences Champ de Foire Cotonou Benin

Vegetables are very important sources of protein and minerals. Some of them even have medicinal properties recognized traditionally. Despite the large number of studies carried out on various vegetables and vegetable crops, very few have scientifically explored the usefulness of S. macrocarpon. This study identified the main groups of chemicals and mineral elements to explain any medicinal or nutritional value. It has also identified some toxic elements contained in this vegetable. Phytochemical screening was carried out on the leaves and fruits of S. macrocarpon. Some mineral elements were determined by Atomic Absorption Spectrophotometry (sodium, potassium, calcium, magnesium) while protein, phosphorous, iron, copper, zinc and toxic metals (lead, cadmium) were determined by Molecular Absorption Spectrophotometry. Fat, ash, moisture and vitamins were sought. The study showed that the leaves of S. macrocarpon were more nutritious than fruits (P macrocarpon require that the consumption of vegetables should be as varied as possible and that the fruit may be consumed with caution. In addition, constraints about vegetable cultivation in Cotonou could lead to research findings that could help provide techniques for producing healthy *** A and K1 were found in both parts of this vegetable very rich in water while vitamin E has not been detected. S. macrocarpon also contains lipids at various levels.

关键词： S. macrocarpon Nutrients Minerals Lead Cadmium Cotonou

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