Influence of sampling intensity on performance of two-phase forest inventory using airborne laser scanning

Lisańczuk, Marek; Mitelsztedt, Krzysztof; Parkitna, Karolina; Krok, Grzegorz; Stereńczak, Krzysztof; Wysocka-Fijorek, Emilia; Miścicki, Stanisław

doi:10.1186/s40663-020-00277-6

Forest Ecosystems

Table 3 nRMSE (%) distributions of the stand-level GSV estimations across the analysed factors. Objects: S – Suprasl, P – Piensk, M – Milicz, H – Herby, K – Katrynka. *ADR – Age-Dependent Radius

From: Influence of sampling intensity on performance of two-phase forest inventory using airborne laser scanning

Quantiles	Sample plot size (m²)																														Number of sample plots
Quantiles	100					200					300					400					500					ADR*					Number of sample plots
97.5%	31	36	46	30	31	26	28	34	24	21	22	27	33	20	18	22	26	29	18	18	22	25	28	18	18	22	25	28	20	18	25
Median	18	21	23	16	16	16	20	20	15	13	16	19	19	14	14	16	20	18	14	14	16	20	18	13	13	16	20	19	14	13
2.5%	15	17	15	12	11	14	17	15	12	12	14	17	15	12	13	14	17	14	12	13	14	17	14	11	12	14	17	15	12	12
97.5%	25	29	35	28	22	19	24	28	18	16	18	24	25	16	16	18	24	24	15	16	19	23	23	15	14	19	23	24	16	15	50
Median	16	20	21	14	14	15	19	18	14	12	15	19	18	13	14	15	19	17	13	13	15	19	17	13	12	15	19	18	13	13
2.5%	14	17	15	12	11	14	17	15	11	12	14	17	15	11	13	14	17	14	12	13	14	17	14	11	11	14	17	15	12	12
97.5%	21	24	30	21	19	17	22	24	16	14	17	22	23	15	15	17	22	21	14	14	17	21	21	14	13	17	21	21	15	14	100
Median	16	19	21	14	13	15	19	18	13	12	15	19	18	13	13	15	19	17	13	13	15	19	17	12	12	15	19	18	13	12
2.5%	14	18	15	12	11	14	17	15	12	12	14	17	15	12	13	14	18	14	12	13	14	18	15	12	11	14	18	15	12	12
97.5%	18	21	26	17	16	16	21	21	15	12	16	20	20	13	14	16	21	19	13	14	16	20	19	13	12	16	20	20	14	13	200
Median	16	19	20	13	13	15	19	17	13	12	15	19	17	12	14	15	19	16	12	13	15	19	17	12	12	15	19	17	13	12
2.5%	14	18	16	12	12	14	18	15	12	12	14	18	16	12	13	14	18	15	12	13	15	18	15	12	11	14	18	16	12	12
97.5%	17	20	25	16	15	15	20	20	14	12	15	20	19	13	14	16	20	18	13	14	16	20	18	13	12	16	20	19	13	13	300
Median	16	19	20	13	13	15	19	17	13	12	15	19	17	12	13	15	19	16	12	13	15	19	17	12	12	15	19	17	13	12
2.5%	15	18	16	12	12	14	18	15	12	12	14	18	16	12	13	15	18	15	12	13	15	18	15	12	11	15	18	16	12	12
97.5%	17	20	24	15	14	15	20	19	14	12	15	19	19	13	14	15	20	18	13	13	16	19	18	13	12	15	19	19	13	12	400
Median	16	19	20	13	13	15	19	17	13	12	15	19	17	12	13	15	19	16	12	13	15	19	17	12	12	15	19	17	13	12
2.5%	15	18	17	12	12	14	18	16	12	12	14	18	16	12	13	15	19	15	12	13	15	19	15	12	12	15	18	16	12	12
97.5%	–	–	22	14	–	–	–	18	13	–	–	–	18	13	–	–	–	17	12	–	–	–	17	12	–	–	–	18	13	–	600
Median	–	–	20	13	–	–	–	17	13	–	–	–	17	12	–	–	–	16	12	–	–	–	17	12	–	–	–	17	13	–
2.5%	–	–	18	12	–	–	–	16	12	–	–	–	16	12	–	–	–	16	12	–	–	–	16	12	–	–	–	17	12	–
	S	P	M	H	K	S	P	M	H	K	S	P	M	H	K	S	P	M	H	K	S	P	M	H	K	S	P	M	H	K

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