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ŠUMARSKI LIST 9-10/2007 str. 27     <-- 27 -->        PDF

J. Vukelić, D. Baričević: NOMENKLATURNO-SINTAKSONOMSKO ODREĐENJE PANONSKIH BUKOVO-... Šumarski list br. 9–10, CXXXI (2007), 407-429
SUMMARY: Forests of beech and fir in the mountains of north-western
part of the Pannonian valley in Croatia represent zonal communities of the
mountainous belt. They have a relatively rich floral composition in which species
of the order Fagetalia and its lower units have distinct prominence.
Covering about fifteen thousand hectares, they grow in humid-perhumid conditions
of temperate warm climate with a favourable precipitation pattern.
The geological-lythological structure is predominantly made up of silicate
rocks (sandstones, slates) with a dominant soil type of dystric cambisol with
acid reaction. In northern expositions they take up altitudes between 600 and
1,000 m, while in southern expositions they climb down to as low as 300 m.


Phytocoenological research and relevés of 40 plots were made in the main
distribution range of beech-fir forests on Macelj, Medvednica and Papuk, 25
of which will be presented in this paper. They have a relatively rich floristic
composition containing a total of 135 species. There is a prevalence of species
of the order Fagetalia and its lower units, of which species of the alliance
Aremonio-Fagion are particularly important (Table 1). The floristic composition,
ecological conditions, physiognomy and method of managing these
stands justify their classification into a separate association. It was named
Festuco-drymeiae-Abietetum (forest of beech and fir with fescue) according
to the most widely represented and sociologically important species Festuca
drymeia and the edifier fir (Abies alba). This clearly distinguishes it from
other beech and beech-fir associations within the alliance Aremonio-Fagion
and suballiance Lamio orvalae-Fagenion, to which it is subordinated. Abies
alba, Fraxinus excelsior, Cardamine trifolia, Lunaria rediviva, Geranium
robertianum, Galeopsis tetrahit, Cephalanthera damasonium and Glechoma
hirsuta are differentiating species of the association. It has been typologically
divided into two subassociations: at steeper, drier terrains and plateaux it is
festucetosum drymeiae, while at more humous, less acid, fresher and shadier
positions it is lunarietosum redivivae.


Comparative analyses have shown an independent nature of the association
in relation to other ones that occur in the montane beech belt of the Pannonian
part of Croatia and adjacent areas (Table 2).


Stands in the north-western part of Croatia, on Macelj and Medvednica,
are floristically richer and more diverse than those on Papuk – particularly in
species of the alliance Aremonio-Fagion. However, statistical analysis did not
justify their separation.


Key words: as. Abieti-Fagetum “pannonicum” s. l. , Festuco drymeiae-
Abietetum ass. nova, floral composition, vegetation of northern Croatia