Table 4 Comparison of survey data
From: Application of LiDAR data to maximise the efficiency of inventory plots in softwood plantations
Survey | Stratification | Number of strata | Number of plots | Sample size | R 2 values for model [ 1 ] | CV of timber volume (%) |
|---|---|---|---|---|---|---|
Nundle 1977 | LiDAR | 9 | 1496 | 54 | 0.69 | 31 |
Nundle 2002 | LiDAR | 9 | 572 | 52 | 0.57 | 44 |
Green Hills inventory | Management | 4 | - | 100 | 0.88 | 61 |
Green Hills research | Management | 16 | - | 63 | 0.93 | 71 |