Effect of thinning intensity on the stem CO2 efflux of Larix principis-rupprechtii Mayr

Forest Ecosystems

Table 3 Equations for fitting E_S with air temperature and monthly mean temperature sensitivity (Q₁₀) at different thinning intensities for 21-, 25- and 41-year-old Larix principis-rupprechtii forests from May to October 2013–2015

Thinning intensity	Stand age: 21 years			Stand age: 25 years			Thinning intensity	Stand age: 41 years
Thinning intensity	Data model	R²	Q₁₀	Data model	R²	Q₁₀	Thinning intensity	Data model	R²	Q₁₀
Control	y = 0.33497e^0.0949x	0.7192	2.58	y = 0.4564e^0.0996x	0.8583	2.71	Control	y = 0.2023e^0.0983x	0.6711	2.67
TI 15 %	y = 0.3790e^0.0973x	0.6573	2.65	y = 0.5268e^0.1051x	0.8436	2.86	TI 10 %	y = 0.2314e^0.1272x	0.7398	3.57
TI 20 %	y = 0.3816e^0.1022x	0.7730	2.78	y = 0.4689e^0.0933x	0.8992	2.54	TI 20 %	y = 0.1830e^0.1318x	0.7051	3.74
TI 30 %	y = 0.2722e^0.1181x	0.7587	3.26	y = 0.4049e^0.1179x	0.8958	3.25	TI 30 %	y = 0.2373e^0.1205x	0.6365	3.34
TI 35 %	y = 0.2731e^0.1168x	0.6590	3.22	y = 0.3946e^0.1202x	0.8586	3.33	TI 35 %	y = 0.2137e^0.1351x	0.7255	3.86