Soil organic carbon variation in relation to land use changes: the case of Birr watershed, upper Blue Nile River Basin, Ethiopia

Table 7 Pearson correlation matrix for soil physiochemical properties (0–20 cm)

	Sand	Silt	Clay	Moisture content	Bulk density	pH	SOC concentration
Sand	1
Silt	− 0.49*	1
Clay	− 0.87**	0.01	1
Moisture Content	0.18	− 0.72**	0.19	1
Bulk Density	− 0.39	0.45	− 0.19	− 0.34**	1
pH	− 0.13	0.32	− 0.04	−0.12	− 0.04	1
SOC concentration	–	–	–	− 0.10	− 0.26**	0.03	1
SOC Stock	0.32	−0.05	− 0.39	− 0.20*	− 0.03	0.02	0.96**

ISSN: 2288-1220