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Table 2 Stand data of the monospecific and mixed species plots of Norway spruce and European beech for the last survey in 2016 and mean stand volume growth for the whole survey period from 1998 to 2016

From: Drought can favour the growth of small in relation to tall trees in mature stands of Norway spruce and European beech

  age2016
(years)
d q
(cm)
d o
(cm)
h q
(m)
h o
(m)
n
(ha−1)
BA
(m2∙ha−1)
v
(m3∙ha−1)
iv 1998–2016
(m3∙ha−1∙yr−1)
mono-specific stands
 Norway spruce 65 35.5 44.9 32.7 34.3 639 60.1 981 26.3
 European beech 85 27.2 41.4 29.2 33.0 926 54.0 802 19.4
mixed-species stand
 Norway spruce 65 36.4 41.7 32.9 33.8 237 24.7 315 10.4
 European beech 85 29.6 41.9 30.0 33.1 437 30.1 383 9.2
total 674 54.8 698 19.6
  1. Stand age in 2016 (age2016), quadratic mean diameter (dq), mean diameter of the 100 tallest trees (do), height of the dq tree (hq), height of the do tree (ho), tree number per hectare (n), stand basal area per hectare (BA), standing stem volume per hectare (v), mean annual stand volume growth in the period 1998–2016 (iv1998–2016)