Forest Ecosystems

Table 2 Characteristics of TRW chronologies for beech and oak center trees growing in plots with tree diversity level Isp, IIsp or IIIsp

From: Tree species diversity impacts average radial growth of beech and oak trees in Belgium, not their long-term growth trend

Beech					Oak
Diversity level	Rbar¹	EPS¹	AGR (mm)	Lag-1	Rbar¹	EPS¹	AGR (mm)	Lag-1
Isp	0.341	0.874	2.472^a	0.408^d	0.399	0.865	2.359^e	0.4 06^h
IIsp	0.272	0.807	2.838^b	0.518^d	0.307	0.831	1.876^f	0.609ⁱ
IIIsp	0.154	0.630	3.233^c	0.706^d	0.341	0.873	1.6 99^g	0.643ⁱ

Rbar Interseries correlation, EPS Expressed population signal, AGR Average growth rate, lag-1 First year autocorrelation, 1 referring to detrended TRW data. For variables AGR and Lag-1, the diversity levels without common letters differ significantly at p < 0.05

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