Table 2 Equations for fitting ES with influence factors in 21-, 25- and 41-year-old Larix principis-rupprechtii plantations in August 2016
From: Effect of thinning intensity on the stem CO2 efflux of Larix principis-rupprechtii Mayr
Stand age | Data model | R2 | P-Value |
|---|---|---|---|
21 | Es = 0.0741 × Ta ‒ 0.0004 × Density ‒ 4.4639 × BT + 2.3568 × SW + 9.6264 × HS + 2.2635 × N + 0.1363 × Starch ‒ 8.8876 | 0.905 | 0.00 |
25 | Es = 0.1144 ×Tw ‒ 0.0002 × Density + 1.1410 × BT ‒ 1.3020 × HS ‒ 0.0862 × SR ‒ 0.2800 × N + 1.4840 × K + 0.0462 × SS + 0.9513 | 0.863 | 0.00 |
41 | Es = 0.0106 × Ta + 0.0238 × Ma ‒ 0.0009 × Density + 0.0286 × BT ‒ 0.0878 × HS ‒ 0.0916 × N + 0.0144 × SS + 0.9102 | 0.907 | 0.00 |