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This chapter examines urban sprawl in Otukpo Local Government Area (LGA), Benue State, Nigeria, over 30 years from 1992 to 2022. The research employs Shannon’s entropy, remote sensing, and Geographic Information System (GIS) data to examine landscape alterations resulting from swift urbanization, population increase, and agricultural development. The findings indicate a substantial rise in developed land from 5.8% in 1992 to 34.7% in 2022, underscoring land degradation, reduced ecosystem services, and heightened vulnerability to climate change impacts. Entropy research verifies a consistent trend of widespread urban development, reaching a maximum of 0.92 in 2012. Due to habitat loss, soil sealing, and disruption of hydrological cycles, urban growth has shifted from the center to the periphery, absorbing ecologically fragile terrain and increasing environmental threats. The report highlights the necessity of integrated land management techniques, including the construction of green infrastructure, forestry projects, smart growth regulations, and zoning enforcement. A dependable foundation for monitoring urban expansion and supporting proactive, climate-resilient planning is offered by the combination of GIS and entropy modeling. Finding a balance between food security, urban growth, and ecological preservation in Otukpo LGA and other quickly urbanizing places requires these insights.

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Assessing Urban Sprawl Dynamics and Land Degradation in the Context of Climate Change: A GIS and Shannon’s Entropy-Based Study of Otukpo LGA, Benue State, Nigeria

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  • 发表日期：

    2026年

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  • Christopher Owoicho,
  • Tanko Oga Adamu,
  • Usman Salihu Lay,
  • Andrew Bissala Caleb

摘要

This chapter examines urban sprawl in Otukpo Local Government Area (LGA), Benue State, Nigeria, over 30 years from 1992 to 2022. The research employs Shannon’s entropy, remote sensing, and Geographic Information System (GIS) data to examine landscape alterations resulting from swift urbanization, population increase, and agricultural development. The findings indicate a substantial rise in developed land from 5.8% in 1992 to 34.7% in 2022, underscoring land degradation, reduced ecosystem services, and heightened vulnerability to climate change impacts. Entropy research verifies a consistent trend of widespread urban development, reaching a maximum of 0.92 in 2012. Due to habitat loss, soil sealing, and disruption of hydrological cycles, urban growth has shifted from the center to the periphery, absorbing ecologically fragile terrain and increasing environmental threats. The report highlights the necessity of integrated land management techniques, including the construction of green infrastructure, forestry projects, smart growth regulations, and zoning enforcement. A dependable foundation for monitoring urban expansion and supporting proactive, climate-resilient planning is offered by the combination of GIS and entropy modeling. Finding a balance between food security, urban growth, and ecological preservation in Otukpo LGA and other quickly urbanizing places requires these insights.