From: Increasing temperatures over an 18-year period shortens growing season length in a beech (Fagus sylvatica L.)-dominated forest
Parameter
1996
2009
2014
Diameter at breast height (cm)
54.8 (± 5.5)
44.2 (± 5.9)
45.8 (± 6.0)
Mean canopy height (m)
29.3 (± 2.2)
28.1 (± 1.8)
27.8 (± 2.0)