Influence of Long-Term Thinning on the Biomass Carbon and Soil Respiration in a Larch (Larix gmelinii) Forest in Northeastern China

Table 2

Annual effluxes from different components of soil respiration at the thinned and unthinned sites.

		Heterotrophic 𝑅						Autotrophic R; from roots		Total
Year	Items	From mineral soil		From litters		Subtotal
		Unthinned	Thinned	Unthinned	Thinned	Unthinned	Thinned	Unthinned	Thinned	Unthinned	Thinned
2005	Amount; (mol m^−2 yr^−1)	28.7	32.1	10.1	5.9	38.8	38.0	8.0	8.8	46.8	46.8
	Difference	3.4		−4.2		−0.8		0.8		0.0
2006	Amount; (mol m^−2 yr^−1)	27.7	30.7	9.7	5.5	37.4	36.2	7.6	8.3	44.9	44.6
	Differences	3.0		−4.2		−1.2		0.7		−0.3
2007	Amount; (mol m^−2 yr^−1)	27.7	30.9	9.6	5.6	37.3	36.5	7.5	8.4	44.8	44.8
	Differences	3.2		−4.0		−0.7		0.9		0.0
Mean	Amount; (mol m^−2 yr^−1)	28.0	31.2	9.8	5.7	37.8	36.9	7.7	8.5	45.5	45.4
	Differences	3.2		−4.1		−0.9		0.8		−0.1