Understanding long-term post-fire regeneration of a fire-resistant pine species

Table 3 Biotic and abiotic characteristics of the permanent plots (mean values)

F. age	Alt. (m)	G. age. (kyrs)	Or.	Exp.	Slp. (°)	Prec. (mm)	Dens. (Ind. ha⁻¹)	Dens. >40 (Ind./ha)	Can. height (m)	Can. cov. (%)	DBH ± std error (cm)	Basal area (m² ha⁻¹)
2–1	1509	400–800	NWNW	ww	30	800	576	48	5.6	31	46.6 ± 12.0	12.2
2–2	1535	400–800	NW	ww	21	800	112	80	16.2	29	45.4 ± 13.9	19.6
2–3	1457	400–800	NW	ww	23	800	512	32	12.5	15	29.0 ± 11.3	24.4
7–1	1208	400–800	NW	ww	9	660	272	112	18.7	53	38.4 ± 10.1	32.1
7–2	1224	400–800	NE	ww	21	660	160	112	20.3	56	44.9 ± 10.6	26.6
7–3	1226	400–800	NW	ww	4	660	640	32	9.4	39	48.7 ± 38.3	27.3
7–4	1204	400–800	SW	ww	18	660	144	112	19.5	55	47.6 ± 9.5	26.5
9–1	1214	20–125	SE	ww	15	730	224	96	15.5	70	41.2 ± 16.7	32.2
9–2	1219	20–125	E	ww	22	510	128	48	16.9	64	50.1 ± 25.9	20.1
9–3	1659	20–125	SW	lw	13	630	1008	144	15.8	68	31.1 ± 9.1	60.2
13–1	1852	400–800	NE	ww	9	1380	80	80	21.2	45	56.9 ± 8.6	20.7
13–2	1874	400–800	N	ww	15	1380	144	128	17.1	44	49.1 ± 9.1	28.1
13–3	1898	400–800	SE	ww	8	1380	192	144	19.4	64	47.8 ± 11.6	36.3
13–4	1909	400–800	SE	ww	20	1380	272	160	22.2	69	43.7 ± 11.0	43.3
17–1	1274	0.5–20	SE	lw	5	720	560	80	19.8	69	32.9 ± 7.6	47.1
17–2	1257	0.5–20	N	lw	24	670	112	96	21.6	61	48.1 ± 13.1	21.6
17–3	1062	0.5–20	SW	lw	5	420	208	112	20.2	69	45.7 ± 8.6	30.1
17–4	1275	0.5–20	W	lw	17	720	784	16	14.0	52	26.9 ± 5.4	33.7
50–1	1132	0.5–20	N	lw	6	1050	384	144	14.7	63	38.0 ± 11.6	36.5
50–2	1238	0.5–20	NW	lw	30	1050	496	48	9.1	52	34.3 ± 10.2	25.0
50–3	1153	0.5–20	SW	lw	7	1050	320	80	16.5	65	40.6 ± 13.1	36.6
50–4	1282	0.5–20	SW	lw	21	1050	448	32	12.4	43	30.5 ± 6.3	22.0

Rainfall data were obtained from the nearest meteorological station of the Spanish Agency of Meteorology (AEMET)
F. age fire age plot, Alt. altitude (m), G. age geological age (kyr), Or. orientation, Exp. wind exposure (leeward (lw), windward (ww)), Slp. slope (deg), Prec. annual average precipitation (mm), Dens. adult trees density, Dens. >40 adult tree density with DBH > 40, DBH diameter breast height (cm), Can. height canopy height (m), Can. cov. canopy cover (%)

ISSN: 1297-966X