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Start date: 2023Subject: search.filters.subject.Urbanization

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    Impact of Urban Expansion on Agricultural Land in Minna, Niger State Nigeria
    (Proceedings of the 5th School of Environmental Technology International Conference (SETIC 2024), October, 2024, 2024) Muhammad Halima; Haruna D. Musa
    Arable agricultural land has been threatened by many factors among which is rapid rate of urbanization. The study assessed the impact of urban expansion on agricultural land towards sustainable land use policy in Minna, Niger State, Nigeria. Remote sensing data provided useful estimations of agricultural land loss on a regional scale. Satellite data of period from 2000-2020 were collected to analyze the extent of land change dynamics in Minna and to determine the impact of changing pattern of urban expansion on agricultural land in Minna. Remote sensing image processing, supervised classification technique using a Support Vector Machine (SVM) classification algorithm was employed based on five land use (Agricultural land, built-up area, bare surface, Natural vegetation, water bodies) classes. The analysis results reveal a decline in agricultural land and increase in the built-up area indicating an encroachment on agricultural land. The result shows a significant modification in land use landcover observed as agricultural lands underwent noticeable decline by 20.816km2 whereas built up area increased substantially by a value of 37.23km2. The land use landcover projection result revealed that 76% of urban expansion will result in 24% of agricultural land loss by year 2030 in Minna. In conclusion, the urban expansion has significant impact on agricultural land loss in the study area. Overcoming urban encroachment into agricultural lands requires adequate policy formulations amenable to sustainable urban planning and development. The results highlight the need for policy makers and synergies between urban and land management authorities, as well as the Ministry of Agriculture to implement policies to protect agricultural land.
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    Assessment of urban thermal comfort of residents and its coping strategies in Abuja, Nigeria
    (INTERNATIONAL JOUNAL OF: BUILT ENVIRONMENT AND EARTH SCIENCE. TIMBOU-AFRICA ACADEMIC PUBLICATIONS, 2023) Y.A. ABBAS; O.O. MORENIKEJI; C.B. OHADUGHA; H.D. MUSA
    Urbanization has driven rise in temperature and variation in cities around the world. The study assesses the thermal comfort of residents in Abuja. The study uses questionnaires administration to assess the thermal perception of residents which was compared to universal thermal comfort index (UTCI) and GIS to determine the heat stress spot within the study area. The result shows that residents within the FCC, Gwagwalada and Kubwa falls experience moderate heat stress environment with recorded mean temperature of 31.4°C, 31.7°C and 31.1°C. The study also reveals that 95.8% of residents in, Kubwa (93.9%) and FCC (89.7%) uses wind shades/shades, air conditioning and fan to regulate their thermal comfort. The study recommends that biophilic design should be adopted by the FCTA administration to help mitigate LST and improve the livability of the resident of the FCT.
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    Factors Contributing to Residential Segregation in Nigerian Cities: A Review of Emerging Issues
    (School of Environmental Technology, Federal University of Technology Minna, 2024) Ahmed Maimuna L; Ayoola Adeyosoye Babatunde
    Residential segregation in Nigerian cities is a complex and multifaceted issue influenced by various socio-economic, political, and cultural factors. This review paper delves into the underlying causes of residential segregation, examining how historical contexts, economic disparities, and urban planning policies contribute to the spatial division of communities. The study adopted an archival approach of data collection from published articles available on Google Scholar, Elsevier, Sciencedirect, and Scopus databases. The selection criteria were thus the research focus, methodology, findings and conclusion alongside the year of publication (2010 – 2023). The main causes of segregation are identified in the study as being income inequality, variety in racial and religious backgrounds, land use regulations, and the legacy of colonial urban planning. It also looks at how rapid rate of urbanisation and population expansion affect housing demand and affordability, emphasising how segregation is worsened by poor infrastructure and inadequate access to affordable housing. Through a comprehensive analysis of existing literature, census data, and case studies from major Nigerian cities, the paper discusses the social and economic consequences of residential segregation, including unequal access to services, educational disparities, and heightened intergroup tensions. The review concludes with strategic recommendations for promoting inclusive urban development, emphasizing the need for equitable housing policies, improved socio-economic opportunities, and community-based approaches to urban planning.