Quantitative and Qualitative Composition of Soil Organic Matter in Samples of Ice Complex from Central Yakutia, Eastern Siberia

Table 2

Characteristics of soil organic matter: the distribution of stocks and the average organic carbon (OC) and nitrogen (N) content in the elementary layers of the ice complex.

Index	Layer, cm
	0–120	120–200	200–250
	(active)	(protective)	(permafrost)
Content OC, %	3.0 ± 0.04	1.2 ± 0.01	1.0 ± 0.03
Content N, %	0.14 ± 0.01	0.06 ± 0.01	0.05 ± 0.01
C/N ratio	21 ± 0.3	20 ± 0.1	20 ± 0.1
Storage OC, kg/m^2	20.5 ± 0.1	11.9 ± 0.1	6.3 ± 0.2
Storage N, kg/m^2	1.24 ± 0.01	0.54 ± 0.01	0.35 ± 0.01

Means ± standard deviations ().