Research Article

Modelling Changes in Land Use Land Cover in the Sudan Savannah Ecological Zone of Northwestern Nigeria

Armiyau Shehu MACCIDO1*, Olatunji Sunday ABOYEJI2, Lukuman MUHAMMAD1, Ahmad Rufa’i AHMAD1, Yusuf Diwa PATRICK1, Matthew Olumide ADEPOJU3, Godstime JAMES3, Monsur Olaide ADEROJU3, Halima ALIYU3, Dalhatu AHMAD3
1 African Regional Institute for Geospatial Information Science and Technology (AFRIGIST), Obafemi Awolowo University Campus, Ile-Ife, Nigeria
2 African Regional Institute for Geospatial Information Science and Technology (AFRIGIST), Ile-Ife, Nigeria
3 National Space Research and Development Agency (NASRDA), Abuja, Nigeria
* Corresponding author: maccido.armiyau@afrigist.org
Published: Apr, 2026
DOI: 10.54222/jgst.2026.sden7gvg
Pages: 73-90
Views: 37
Downloads: 6

Abstract

Climate change is one of the most global environmental concerns in the 21st century. This study modelled the historical changes and future projections of Land Use Land Cover (LULC) in the Sudan Savanna ecological zone of Northwestern Nigeria. The research analyzed multi-temporal Landsat imagery (2004, 2014, and 2024) to quantify past trends and projected future scenarios for 2035, 2045, and 2055. A supervised classification approach was employed to generate LULC maps, while CA-Markov modelling integrated with MOLUSCE plugin in QGIS was used for future projections. Model performance was rigorously validated using Neural Network learning curves and Pontius’ multiple-resolution budget analysis. Results revealed a consistent increase in bare surface from 50.7% in 2004 to 53.36% in 2024, with a corresponding decline in vegetation cover from 48.56% to 45.77%. Projections indicate continued and accelerated vegetation loss, with bare surface becoming overwhelmingly dominant by 2055, especially in the central and eastern part of the study area. This study provides credible, spatially explicit evidence of ongoing land degradation and anthropogenic activities in the Sudan Savanna zone. The findings underscore the urgent need for sustainable land management, reforestation, and climate adaptation strategies to mitigate projected environmental risks and enhance resilience in Northwestern Nigeria.

Keywords

Land Use Land Cover CA-Markov Sudan Savanna Northwestern Nigeria Climate Change

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How to Cite

MACCIDO, A. S., ABOYEJI, O. S., MUHAMMAD, L., AHMAD, A. R., PATRICK, Y. D., ADEPOJU, M. O., JAMES, G., ADEROJU, M. O., ALIYU, H., & AHMAD, D. (2026). Modelling Changes in Land Use Land Cover in the Sudan Savannah Ecological Zone of Northwestern Nigeria. Journal of Geospatial Science and Technology, 6(1), 73-90. https://doi.org/10.54222/jgst.2026.sden7gvg

A. S. MACCIDO, O. S. ABOYEJI, L. MUHAMMAD, A. R. AHMAD, Y. D. PATRICK, M. O. ADEPOJU, G. JAMES, M. O. ADEROJU, H. ALIYU, and D. AHMAD, "Modelling Changes in Land Use Land Cover in the Sudan Savannah Ecological Zone of Northwestern Nigeria," Journal of Geospatial Science and Technology, vol. 6, no. 1, pp. 73-90, April 2026. doi: 10.54222/jgst.2026.sden7gvg

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