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Table 1 Descriptive parameters of residual chronologies of A. faxoniana at the treeline ecotones on the northwestern (NW) and southeastern (SE) aspects of the Min Mountains in the Wanglang National Nature Reserve

From: Treeline dynamics in response to climate change in the Min Mountains, southwestern China

Plot code NW SE
Chronology length 1715-2009 1803-2009
Number of cores/trees 73/38 59/41
Mean ring width (mm) 0.991 1.001
Mean sensitivity (MS) 0.139 0.110
Standard deviation (SD) 0.124 0.096
Autocorrelation order 1 (AC1) 0.004 0.002
Common interval time span 1873–2009 1926-2009
Number of cores/trees 67/37 47/33
Mean interseries correlation 0.562 0.556
Signal-to-noise ratio (SNR) 18.658 13.719
Express population signal (EPS) 0.949 0.932