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Floristic-vegetational variability of The Aassociation Epimedio-Carpinetum betuli (Horvat 1938) Borhidi 1963 in the North of Croatia

The paper analyzes 246 phytocoenological relevés of the association Epimedio-Carpinetum betuli (I. Horvat 1938) Borhidi 1963 in northern Croatia using the standard principles of the Central European Phytocoenological School [5] and applying recent statistical methods [10, 6, 30]. The association is divided into six subassociations with sociologically closely affiliated differential species. The first part of the research implies formalized classification to analyze and correct the selection of diagnostic and differential species in traditional subassociations formed on the basis of previous studies. The second part uses a statistical method to form three clusters, determine their differential species and compare them with the earlier classification of the association. The results of the analysis have revealed a relatively low floristic variability, whereas structural classification has confirmed a smaller number of the described associations. In addition to providing an objective classification of the community Epimedio-Carpinetum, the study will also contribute to future analyses of Illyrian oak-hornbeam forests in their distribution range, as well as to the synthesis of the Carpinetum communities of Europe.

Epimedio-Carpinetum betuli ; northern Croatia ; statistical analysis ; differential species

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