Site conditions influence the climate signal of intra-annual density fluctuations in tree rings of Q. ilex L.

Table 1 Descriptive features and quality assessment indexes of tree ring mean annual chronologies

	TRW (mm)		MVA (10³ μm²)		NLF (%)		VF (N vessels/10³ μm²)
	SW	NE	SW	NE	SW	NE	SW	NE
Timespan	1948–2015	1966–2015	1950–2015	1971–2015	1950–2015	1971–2015	1950–2015	1971–2015
Length	68	50	66	45	66	45	66	45
N cores	42	28	5	5	5	5	5	5
N trees	21	14	5	5	5	5	5	5
Mean value ±SE	2.38 ± 0.16	2.47 ± 0.12	33.07 ± 0.98	24.45 ± 0.93	93.35 ± 0.22	94.63 ± 0.2	0.0021 ± 0.00008	0.0022 ± 0.00005
EPS	0.86	0.91	0.69	0.85	0.79	0.65	0.37	0.26
R _bt	0.81	0.4	0.31	0.58	0.44	0.31	0.11	0.05
MS	0.35	0.33	0.21	0.17	0.02	0.01	0.24	0.22

TRW tree ring width, MVA mean vessel area, NLF non-lumen fraction, VF vessel frequency, SW south-west site, NE northeast site

ISSN: 1297-966X