Table 3
Characteristics of tree-ring chronologies for Norway spruce in research plots for time period 1900–2019.
| Plot name | No. trees | Mean RW (mm) | SD RW | Mean min – max (mm) | Age min – max | ar1 | R-bar | EPS | SNR |
|---|---|---|---|---|---|---|---|---|---|
| 1_KAR | 57 | 1.69 | 0.92 | 0.99–2.58 | 54–92 | 0.60 | 0.54 | 0.98 | 54.22 |
| 2_KOS | 58 | 1.84 | 0.82 | 1.03–3.34 | 29–136 | 0.69 | 0.42 | 0.97 | 31.43 |
| 3_JES | 57 | 3.01 | 1.23 | 1.15–5.97 | 34–132 | 0.76 | 0.27 | 0.91 | 10.54 |
| 4_POD | 48 | 2.36 | 1.18 | 1.34–3.59 | 71–112 | 0.77 | 0.23 | 0.92 | 11.17 |
| 5_ORL | 40 | 2.29 | 1.09 | 0.88–4.20 | 37–160 | 0.80 | 0.32 | 0.90 | 8.87 |
| 6_BAZ | 58 | 1.69 | 0.89 | 1.03–3.38 | 81–240 | 0.83 | 0.46 | 0.98 | 38.95 |
Notes: No. trees – number of trees; Mean RW – mean ring width in mm; SD RW – standard deviation from ring width in mm; Mean min–max – mean ring width range in mm from smallest to biggest tree; Age min–max – age range of youngest and oldest sample tree; ar1 – first order autocorrelation; R-ar – inter–series correlation; EPS – expressed population signal; SNR – signal to noise ratio.
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