The study confirmed that a total of 69 buildings out of 611 buildings were affected by the flood disaster with about 24,902 people displaced by this singular flood event. The study shows that backscattering from microwave sensors provides very useful information for highlighting inundated areas that could prove useful in forecasting, monitoring, and precision-based flood early warning designs before, during, and after flood events.
Nigeria is affected by several types of natural disasters, such as floods, landslides, drought, pest invasion, gully erosion, coastal erosion, soil erosion, and storms, among others. The National Emergency Relief Agency was established in 1976 by the federal government purely as a relief organization focusing only on post disaster management to coordinate its disaster response activities. It later became the National Emergency Management Agency (NEMA), delegated with the primary responsibility for coordinating federal emergency preparedness, planning, management, and disaster assistance functions in the country. NEMA also has been delegated with the responsibility for establishing a disaster assistance policy. In this stewardship role, NEMA has the lead in developing and maintaining the National Disaster Response Plan. There have been significant strides made in the effort to clearly define policies and institutions and promote collaboration with critical national agencies and stakeholders and related international organizations. As such, an institutional perspective of the natural hazard governance structure in Nigeria became critical. The evolution of natural hazard governance in Nigeria also highlights the coordination and types of disasters as policy triggers. There is a legal framework of disaster management that empowered NEMA as the coordinating agency for disaster management in Nigeria, especially in collaborating with offices such as the Nigeria Hydrological Services Agency, the Surveyor General of the Federation, the National Space Research and Development Agency, and the Nigerian Meteorological Agency in areas of flood vulnerability mapping as well as international organizations such as the World Bank, the International Atomic Energy Agency, the International Fund for Agricultural Development, and nongovernmental organizations. A review of the challenges in the implementation and management of policy and of the implementation of the natural hazard governance in Nigeria are critically important.
The world demand for cashew and its by-products leads to increase expansion of the cultivation across West-African countries especially in Nigeria. It has generated wealth for many smallholders and contributed to cashew economy success. This study aimed at mapping existing cashew plantations for better management of rural farmland and assessing the soil suitability to future cashew expansion in the study area. GIS and multi-criteria analysis were used to analyze the natural vegetation and soil suitability for future cashew expansion in Nasarawa state. Data collection was done through structured questionnaire administered to cashew farmers in the study area, GPS coordinates and soil samples were collected for suitability test. Results showed that despite a very suitable soil for plantation cashew, its expansion is slow with implication in conservation and carbon emissions. This implies that there is need for a sustainable management of cashew agriculture practices to ensure optimum production for farmers and stakeholders in cashew value chain should address relevant factors affecting low yield via a holistic government intervention program.
Maize products are very significant for domestic consumption as well as industrial uses both locally and globally. For there to truly appreciate the spread of maize production in Africa, the geospatial mapping and subsequent comparison of the value chain for Nigeria and Rwanda were necessitated hence the purpose of this study. Farm mapping geospatial techniques and remotely sensed data were used for both Nigeria and Rwanda in this study. GIMMS Global Agricultural Monitoring data from United States Department of Agriculture (USDA) were adopted for Nigeria and Rwanda. The crop calendars of both countries were examined which thereafter reviewed a marked distinction among them. The results of the agroecological zones for the two countries showed a significant variation in their distribution and types, which in turn affect both the planting and harvesting of maize; storage, marketing, processing, and policy framework for maize products value chain in Nigeria and Rwanda. Mapping of the two countries was carried out and the normalized differential vegetation index (NDVI) and the policy associated with maize value chains were checked and reported.
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