Elevation Top soil (0-15cm) Sub soil (15-20cm) OC (%) OM (%) OC (%) OM (%) Lower 1.67 ± 0.3a 2.87 ± 0.45a 1.45 ± 0.090a 2.49 ± 0.158a Middle 1.64 ± 0.2a 2.82 ± 0.30a 1.43 ± 0.071a 2.47 ± 117a Upper 1.48 ± 0.08a 2.56 ± 0.14a 1.3 ± 037a 2.24 ± 067a

Table 2: Soil carbon and organic matter variation along elevation gradients in Gununo Watershed.