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New Zealand Journal of Forestry Science

Table 3 Descriptive statistics obtained from forest inventory processing using the estimators of simple random sampling (SRS)

From: Spatial prediction of basal area and volume in Eucalyptus stands using Landsat TM data: an assessment of prediction methods

Estimators

Basal area

Volume

(m2)a

(m2 ha−1)

(m3)a

(m3 ha−1)

Minimum

0.91

10.07

8.62

95.80

Maximum

1.95

21.63

19.25

213.85

Mean

1.52

16.86

15.24

169.34

Standard deviation

0.22

2.4

2.67

29.66

Coefficient of variation (%)

14.26

17.51

Sampling error (%)

4.89

6.00

Total confidence interval

5807.9–6405.0

57,652.7–65,018.7

  1. aEstimates obtained for an area of 900 m2 (corresponding to the area of each pixel of the Landsat images)
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