Skip to main content

Table 1 Mean, standard deviation (SD), minimum (min), and maximum (max) values for variables describing seedling characteristics and canopy structure measured at each planting group

From: Comparing individual-tree approaches for predicting height growth of underplanted seedlings

Seedling level variables

Label

Mean

SD

Min

Max

Basal area (m2 ha−1)

BA

28.59

6.52

13.80

52.90

Height to canopy (m)

HtCanopy

14.23

8.21

1.10

36.50

Canopy closure—120° photo angle (%)

Closure120PA

82.53

3.47

74.75

93.18

Canopy closure—90° photo angle (%)

Closure90PA

77.04

5.41

64.09

92.21

Canopy closure—60° photo angle (%)

Closure60PA

74.22

8.44

53.15

95.82

Cherrybark oak (n = 279)

 Basal diameter in 2005 (mm)

Diam2005

6.04

2.21

2.13

14.48

 Total height in 2005 (cm)

Ht2005

73.89

32.78

20.50

204.00

 Relative height in 2005

RelHt2005

0.78

0.22

0.18

1.00

 Height increment (cm)a

Ht2010–Ht2005

58.91

52.20

−50.50

351.00

Water oak (n = 160)

 Basal diameter in 2005 (mm)

Diam2005

5.78

1.64

2.83

11.33

 Total height in 2005 (cm)

Ht2005

62.60

22.00

21.00

148.50

 Relative height in 2005

RelHt2005

0.70

0.25

0.11

1.00

 Height increment (cm)

Ht2010–Ht2005

54.57

45.68

−50.50

248.00

Yellow-poplar (n = 148)

 Basal diameter in 2005 (mm)

Diam2005

14.62

4.78

5.40

27.28

 Total height in 2005 (cm)

Ht2005

129.36

48.69

19.50

253.00

 Relative height in 2005

RelHt2005

0.96

0.11

0.41

1.00

 Height increment (cm)

Ht2010–Ht2005

165.21

130.03

−67.00

556.00

  1. aSeedling height increment covers the 5-year period following the 2005 growing season