Table 3.

Mean vitality score and annual increment rates of street tree genera in Copenhagen, Denmark, establishment methods not considered; and increment rates of the corresponding genera at the urban tree arboretum in good soil conditions.

		Vitality	Annual diameter increment, street trees (cm)		Annual diameter increment arboretum trees (cm)	Increment of street trees in relation to arboretum trees (%)
Genus	N	Mean	Mean	Std	Annual diameter increment arboretum trees (cm)
Acer	256	4.3	0.69	0.25	1.27	54
Crataegus	28	3.2	0.59	0.21
Fraxinus	93	4.3	0.98	0.28	1.22	80
Platanus	690	4.3	1.01	0.43	1.09	93
Populus	81	4.9	1.99	0.40
Prunus	135	4.6	1.35	0.38	1.49	91
Quercus	78	3.4	0.69	0.23	1.01	68
Robinia	43	4.7	1.15	0.30	1.57	73
Sorbus	128	4.3	0.80	0.27
Tilia	632	4.2	0.85	0.35	1.42	60
All	2164	4.3	0.96	0.44	1.29	74