Changes in soil carbon sequestration and emission in different succession stages of biological soil crusts in a sand-binding area

Table 3 Effects of succession stages on soil organic carbon (SOC) sequestration

Item	Source of variation	Df	Mean square	F-value	P-value	Partial η²
Soil organic carbon content	Succession stages	3	2.144	22.705	< 0.001**	0.831
	Soil depths	3	2.084	22.062	< 0.001**	0.752
	Succession stages × soil depths	9	0.306	3.240	0.019**	0.714
Soil bulk density	Succession stages	3	0.095	2023.000	< 0.001**	0.795
	Soil depths	3	0.014	292.867	< 0.001**	0.774
	Succession stages × soil depths	9	< 0.001	2.259	0.074	0.238
Soil organic carbon density	Succession stages	3	0.063	16.349	< 0.001**	0.726
	Soil depths	3	0.024	6.345	0.005**	0.633
	Succession stages × soil depths	9	0.006	1.618	0.192	0.089

The effect of different succession stages of biological soil crusts (BSCs), soil depths, and their interaction on soil organic carbon SOC sequestration
*indicates significant correlation at P < 0.05, and **indicates extremely significant correlation at P < 0.01

ISSN: 1750-0680