Changes in soil organic carbon and total nitrogen contents in three adjacent land use types in the Bale Mountains, south-eastern highlands of Ethiopia

Summary

This field-based study examined how land use change—specifically transitions between forest, grassland, and cultivated systems in the Bale Mountains of south-eastern Ethiopia—affects soil organic carbon and total nitrogen stocks. The research suggests that adjacent land use types with differing management intensities show measurable differences in key soil fertility indicators, relevant to understanding soil degradation pathways in tropical highland agroecosystems.

Regional applicability

Whilst conducted in Ethiopia, the findings on soil carbon and nitrogen responses to land use conversion are transferable to understanding similar processes in other tropical highland and temperate grassland-to-arable transitions. The mechanisms driving soil organic matter loss and nitrogen depletion under cultivation are globally applicable, though absolute values and rate constants would require UK-specific validation in contrasting soil types and climates.

Key measures

Soil organic carbon content; total nitrogen content; across multiple land use types

Outcomes reported

The study compared soil organic carbon and total nitrogen contents across three adjacent land use types (likely forest, grassland, and cultivated land) in the Bale Mountains. Changes in these soil properties were measured to assess the impact of land use conversion on soil fertility.

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