Wetland Transformations and Drivers in Ethiopia's Upper Abay Basin

A new study on the Muga watershed, upper Abay basin, Ethiopia, has revealed significant land use/land cover changes over a 35-year period. The research, conducted by Debre Markos University, explores the drivers of wetland transformations and evaluates the effectiveness of mitigation strategies. Using geospatial analysis and statistical methods, the study identified population growth, agricultural expansion, and overgrazing as primary drivers of wetland degradation. The study highlights the urgent need for integrated land-use planning, strengthened policy interventions, and community education to address wetland degradation.

Key Takeaways:

• The study explored wetland transformations and their drivers in the Muga watershed, upper Abay basin, Ethiopia, over a 35-year period (1986-2021).
• Geospatial analysis was conducted using Landsat satellite imagery, with an overall accuracy of 88.5% and a kappa coefficient of 0.85.
• Wetlands, forests, and grasslands declined by 12.42, 9.62, and 5.58%, respectively, while agricultural land and built-up areas increased by 26.54 and 1.09%.
• Population growth (98.1%), agricultural expansion (92.5%), and overgrazing (93.8%) were identified as the main contributors to wetland degradation.
• Mitigation efforts, such as establishing buffer zones and managing grazing, were found to be either ineffective or absent in many cases.
• The study underscores the urgent need for integrated land-use planning, strengthened policy interventions, and community education to address wetland degradation.
• Advanced geospatial techniques can detect and quantify environmental changes, providing a basis for sustainable management of wetlands in the region.

Statistics:

• 35-year study period (1986-2021)
• Overall accuracy of geospatial analysis: 88.5%
• Kappa coefficient of geospatial analysis: 0.85
• Decline in wetlands: 12.42%
• Decline in forests: 9.62%
• Decline in grasslands: 5.58%
• Increase in agricultural land: 26.54%
• Increase in built-up areas: 1.09%
• Population growth: 98.1%
• Agricultural expansion: 92.5%
• Overgrazing: 93.8%

Sources:

• [Getachew, K. (2025). Wetland transformations, underlying drivers, and mitigation solutions using geospatial technologies in the Muga watershed, upper Abay basin, Northeastern Ethiopia. Discover Applied Sciences, 7(10), 1-15. doi: 10.1007/s42452-025-06684-0]
• [Debre Markos University. (2025). Reports from Debre Markos University Add New Study Findings to Research in Agriculture (Wetland transformations, underlying drivers, and mitigation solutions using geospatial technologies in the Muga watershed, upper Abay basin, Northeastern ...). Journal of Engineering, 2790.]