L5 Plant invasion in closed lowland Quercus robur woodlands

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L5 - Closed lowland Quercus robur woodlands:

67% of its area is endangered by plant invasion. Almost all stands are threatened by plant invasion. The most important alien species is the black locust (Robinia pseudoacacia), but it is often invaded by green ash (Fraxinus pennsylvanica), common hackberry (Celtis occidentalis), boxelder (Acer negundo) and black cherry (Prunus serotina), too.

Botta-Dukát Z. (2008): Invasion of alien species to Hungarian (semi-)natural habitats Acta Botanica Hungarica 50(Suppl.): 219-227. >>> letöltés (139 KB, PDF)