Forest Ecosystems

Table 5 Average RMSE produced by different sampling methods and sample sizes based on 5,000 simulations

From: Evaluation of sampling strategies to estimate crown biomass

Sample size	Sampling strategies
Sample size	SRS	SRS-RAT	PPS	SYS	SYS-RAT	STR	STR-RAT	STR-PPS
3	88.57	42.56	38.04	113.17	48.54	85.05	42.08	34.95
6	60.49	30.01	29.23	57.94	29.98	58.54	29.56	27.99
9	48.60	23.92	25.19	37.88	22.12	46.48	23.55	24.46
12	40.77	20.18	22.78	30.77	17.91	38.89	19.75	22.33

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