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Improvement of Rice Production under Drought Conditions in West Africa:Application of QTLs in Breeding for Drought Resistance

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Rice science 2022年第6期29卷 512-521页

作者： Kossi Lorimpo ADJAH Maxwell Darko ASANTE Aboubacar TOURE mawuli aziadekey Francis Osei AMOAKO-ANDOH Michael FREI Yacouba DIALLO Komi AGBOKA West African Science Service Center on Climate Change and Adapted Land Use/Climate Change and Agriculture Program IPR/IFRAP.O.Box 224KatibougouMali Council for Scientific and Industrial Research-Crops Research Institute P.O.Box 3785Fumesua-KumasiGhana University of Sciences Techniques and Technologies of Bamako(USTTB)P.O.Box 423BamakoMali International Crops Research Institute for the Semi-Arid Tropics P.O.Box 320BamakoMali University of Lomé(UL) P.O.Box 1515LoméTogo Institute for Agronomy and Plant Breeding of Justus-Liebig-University of Giessen Giessen 35392Germany Polytechnic Rural Institute of Training and Applied Research(IPR/IFRA) P.O.Box 224KatibougouMali Council for Scientific and Industrial Research-College of Science and Technology Department of Plant Resources DevelopmentP.O.Box 3785Fumesua-KumasiGhana

Rice plays a paramount role in food and nutrition security in many West African *** the doubling of production during the last decade,rice consumption has grown faster,creating a deficit between the demand and *** the West African sub-region remains the main rice-producing centre on the continent,production is severely hampered by biotic and abiotic *** is one of the factors that most severely reduce grain yields of *** of production need to be established in order to mitigate yield loss as a result of *** review discusses the effects of drought on rice production in West Africa and its mitigation with an emphasis on the improvement of tolerance to drought *** stability can be achieved by developing drought-tolerant varieties through several processes encompassing profiling of known QTLs and identification of new ones,marker-assisted selection,genomic selection,and extensive multi-locational yield *** suggest a comprehensive strategy for breeding drought-tolerant rice varieties in West Africa.

关键词： West Africa rice drought-tolerant variety QTL high-throughput genotyping

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Critical Factors of Vulnerability That Enable Medina Gounass (Dakar/Senegal) to Adapt against Seasonal Flood Events

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Journal of Geographic Information System 2016年第4期8卷 457-469页

作者： Ousmane Diouf Sané Amadou Thierno Gaye Moussa Diakhaté mawuli aziadekey Département de Géographie Université de Lomé WASCAL Lomé Togo Laboratoire de Physique de l’Atmosphère et de l’Océan Siméon Fongang (LPAOSF) Université Cheikh Anta Diop Dakar-Fann Sénégal Ecole Supérieure d’Agronomie Université de Lomé Lomé Togo

This paper focuses on people living in Medina Gounass where has been experiencing annually flood events during the rainy season. Besides the climatic conditions, the lack of formal amenity plan has led to the emergence of highly vulnerable urban communities, particularly through informal settlements and inadequate land management. Flood has disrupted their livelihood and caused huge loss of properties. Thus, inhabitants have a long experience of flood events. The study was carried out to assess critical aspects that led Medina Gounass inhabitants vulnerable to flood. Consequently, people in the study area have been practicing various methods at household to mitigate the probable losses. The study found that flood adaptation measures can be made more effective through community initiatives and their participation than at household level which sometimes causes harm in the neighborhood. Structural and non-structural flood management approach seems to be more efficient to alleviate Medina Gounass inhabitants from the flood problems.

关键词： Factors Vulnerability Medina Gounass Adaptation Flood

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Social Vulnerability Assessment to Flood in Medina Gounass Dakar

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Journal of Geographic Information System 2015年第4期7卷 415-429页

作者： Ousmane Diouf Sané Amadou Thierno Gaye Moussa Diakhaté mawuli aziadekey Université de Lomé WASCAL Département de Géographie Lomé Togo Université Cheikh Anta Diop Laboratoire de Physique de l’Atmosphère et de l’Océan Siméon Fongang (LPAOSF) Dakar-Fann Sénégal Université de Lomé Ecole Supérieure d’Agronomie Lomé Togo

This paper is about the assessment of social vulnerability (SV) as a critical component of comprehensive disaster risk assessment. This study was conducted in Medina Gounass Dakar, Senegal, to bring out evidence that flooding was a threat to human security. The aim of this present study is to assess the social vulnerability to flood in Medina Gounass. Survey was carried out using structured questionnaires drawn on one hundred randomly selected households. For vulnerability assessment, the Methods for the Improvement of Vulnerability Assessment in Europe (MOVE) framework and Arc GIS are used to characterize vulnerability through three key factors, namely, 1) exposure, 2) susceptibility, and 3) lack of resilience. As a result, Medina Gounass inhabitants have a particular relationship with the place they have been living for decades. Although facing diseases and many challenges in their everyday life, people actually resist the government’s relocation projects because of their symbolic relationship with the area.

关键词： Assessment Flood Social Vulnerability Medina Gounass

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