Height Growth of Korean Pine Seedlings Planted under Strip-Cut Larch Plantations in Northeast China
Table 1
Stand parameters and canopy openness for the plots with a larch overstory.
Plot ID
Stand age (year)
Strip-cut width (m)
Plot size (m2)
Tree density (trees ha−1)
Mean DBH (cm)
Mean height (m)
Basal area (m2 ha−1)
Mean canopy openness (%)
2008
2008
2011
2008
2011
2008
2011
2008
2011
2012
A12-W4.5
12
4.5
612
1683
1634
7.9 (1.8)
10.1 (2.5)
9.3 (1.3)
11.1 (1.5)
8.6
14.0
7.7a (0.8)
A12-W6.0
12
6.0
378
1429
1376
9.5 (2.1)
11.7 (2.6)
8.9 (1.1)
10.7 (1.2)
10.7
15.6
8.7a (0.7)
A17-W4.5
17
4.5
234
1282
1282
11.1 (2.3)
13.2 (2.7)
11.9 (1.6)
13.3 (1.6)
12.9
18.2
9.7a (0.7)
A17-W6.0
17
6.0
297
1246
1246
11.3 (1.9)
13.5 (2.3)
11.8 (1.2)
13.3 (1.2)
12.7
18.2
15.4b (0.4)
A37-W7.5
37
7.5
315
381
381
23.8 (3.4)
25.3 (3.5)
22.5 (1.0)
23.0 (1.0)
17.3
19.4
20.0c (2.0)
Figures in parentheses provide the standard deviations. Sources: measurement records by the Dabiangou Forest Farm. = 5 (A12-W4.5, A12-W6.0); = 4 (the other plots). Canopy openness values followed by different letters differ significantly according to Tukey’s test for multiple comparisons ( < 0.001).
