Belső-Somogy homoki gyertyános-tölgyesei (Fraxino pannonicae-Carpinetum Soó et Borhidi in Soó 1962) = Oak-hornbeam forests on sand in Inner Somogy, SW Hungary

Kevey, Balázs (2013) Belső-Somogy homoki gyertyános-tölgyesei (Fraxino pannonicae-Carpinetum Soó et Borhidi in Soó 1962) = Oak-hornbeam forests on sand in Inner Somogy, SW Hungary. A KAPOSVÁRI RIPPL-RÓNAI MÚZEUM KÖZLEMÉNYEI (1). pp. 17-40. ISSN 2064-1966 (print), 2631-0376 (online)

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Abstract

I present the results of a phytosociological analysis of 50 samples of oak-hornbeam forests on sand (Fraxino pannonicae-Carpinetum), which grow in the southwestern part of Hungary in Inner Somogy. The habitat of these forests is under slight influence of groundwater, which manifests itself in the species composition of these forests. The forests differ sharply from the oak-hornbeam forests (Helleboro dumetorum-Carpinetum) growing on loess in the neighbouring Zselic. The species composition somewhat resembles that of hardwood gallery forests on sand (Knautio drymeiae-Ulmetum), beech woods on sand (Leucojo verno-Fagetum), and oak-hornbeam forests along the Dráva River (Veronico montanae-Carpinetum). The Fagetalia elements in its understorey (Actaea spicata, Astrantia major, Dentaria enneaphyllos, Oxalis acetosella, etc.) are probably relics of the Beech I. phase (2500 and 800 B.C.) of the Holocene, when the climate was more humid and less extreme. It also hosts species typical of the Aremonio-Fagion alliance (pl. Carex strigosa, Cyclamen purpurascens, Doronicum orientale, Erythronium dens-canis, Knautia drymeia, Polystichum setiferum, Primula vulgaris, Ruscus aculeatus, Tamus communis, Tilia tomentosa), whereby it exhibits a moderate sub-Mediterranean character.

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