Soil organic carbon stocks in native forest of Argentina: a useful surrogate for mitigation and conservation planning under climate variability

Ecological Processes

Table 1 Mean (kg m⁻²) soil carbon contents (SOC) at 30 cm depth and total SOC stocks (Pg C) calculated for the forest regions in Argentina (PF = Patagonian forests including Tierra del Fuego and Andean Patagonian forests, ESP = Espinal forests, MON = Monte forests, PCH = Parque Chaqueño forests, PAR = Paranaense rainforests, YUN = Yungas rainforests)

Forest regions	AREA	MLL	M	MUL	TLL	T	TUL
PF	32,410	13.97 ± 2.30	14.45 ± 2.32	14.97 ± 2.38	0.45	0.47	0.49
ESP	54,060	5.05 ± 2.00	5.21 ± 2.52	5.39 ± 2.09	0.27	0.28	0.29
MON	7,790	2.83 ± 0.65	2.95 ± 0.68	3.11 ± 0.73	0.02	0.02	0.02
PCH	319,410	4.98 ± 1.38	5.16 ± 1.41	5.41 ± 1.49	1.59	1.64	1.73
PAR	11,710	9.43 ± 1.10	9.73 ± 1.15	10.08 ± 1.17	0.11	0.11	0.12
YUN	35,410	7.35 ± 1.39	7.67 ± 1.44	8.05 ± 1.47	0.26	0.27	0.29
Total	460,790	5.88 ± 2.86	6.10 ± 2.94	6.37 ± 3.05	2.71	2.81	2.94

AREA = native forest cover (km²), MLL = lower limit (5%) of the mean SOC contents, M = mean SOC contents, MUL = upper limit (5%) of the mean SOC contents, TLL = lower limit (5%) of the total SOC stocks, T = total SOC stocks, and TUL = upper limit (5%) of the total SOC stocks