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

Table 2 Effect of succession stages of biological soil crusts and sampling time on different soil parameters

Item	Source of variation	df	Mean square	F-value	P-value	Partial η²
Soil CO₂ fluxes	Succession stages	3	125.427	78.480	< 0.001**	0.797
	Time	2	134.991	84.464	< 0.001**	0.738
	Succession stages × time	6	20.057	12.550	0.004**	0.557
Soil CH₄ fluxes	Succession stages	3	36.532	76.997	< 0.001**	0.794
	Time	2	21.652	45.634	< 0.001**	0.603
	Succession stages × Time	6	4.717	9.941	< 0.001**	0.499
Soil temperature	Succession stages	3	18.722	0.746	0.529	0.036
	Time	2	1138.474	45.389	< 0.001**	0.602
	Succession stages × time	6	19.087	0.761	0.603	0.071
Soil water content	Succession stages	3	2.994	1.152	0.335	0.054
	Time	2	53.195	20.477	< 0.001**	0.406
	Succession stages × time	6	1.191	0.459	0.836	0.044

The effect of succession stages of BSCs, sampling time, and their interaction on soil CO₂ and CH₄ fluxes, temperature, and water content
*indicates significant correlation at P < 0.05, and **indicates extremely significant correlation at P < 0.01

ISSN: 1750-0680