From: Evaluation of sampling strategies to estimate crown biomass
Sample size | Sampling strategies | |||||||
---|---|---|---|---|---|---|---|---|
SRS | SRS-RAT | PPS | SYS | SYS-RAT | STR | STR-RAT | STR-PPS | |
3 | 0.237 | −4.091 | −0.158 | 0.433 | −9.320 | −0.659 | −3.554 | −0.104 |
6 | 0.215 | −1.711 | 0.010 | 0.139 | −1.922 | 0.399 | −1.387 | −0.101 |
9 | −0.081 | −0.937 | −0.068 | 0.133 | 0.166 | 0.191 | −0.857 | −0.094 |
12 | −0.030 | −0.894 | 0.158 | 0.043 | −0.078 | −0.242 | −0.776 | −0.073 |