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Table 7 Statistical characteristics of tree-ring series

From: Climate change evidence in tree growth and stand productivity at the upper treeline ecotone in the Polar Ural Mountains

 

Larch

Spruce

Number of trees

263

83

Period

1766–2015

1851–2015

Ring width Mean ± std. err. (mm)

0.81 ± 0.47

0.48 ± 0.29

Mean sensitivity

0.41

0.33

Series intercorrelation

0.65

0.41

First order autocorrelation

0.64

0.72