Abstract
UDK: 581.55(497.6)
 The ecosystems of the class Festuco-Brometea in Bosnia and Herzegovina play an important role in the overall biological diversity. They are distinguished by a large number of vegetation units, as well as by significant number of rare, endemic or relict plant species. The study area, Prečko polje, covers 1.27 at 1100 m a.s.l., and takes place in the heart of mountain complex Treskavica-Visočica-Bjelašnica. We analised thermophylous meadows of Prečko polje after method of phytocoenological relevé. The class Festuco-Brometea in study area is being differentiated into the alliances Xerobromion erecti (with suballiance Fumano-Scabiosenion leucophyllae) and Mesobromion erecti (with suballiance Eu-Mesobromenion). In general, thermophylous meadows are characterized by high degree of species diversity. Moreover, within thermophylous meadows of Prečko polje we have identified nine species which are considered to have certain conservation status, according to the national and/or international legislation. Our study has shown that investigated area should be considered as potential Natura 2000 site for it is inhabited by a significant number of rare and/or endangered orchid species.
Highlights
The results of numerous ecological studies have shown that vegetation of the Balkan peninsula expresses high heterogeneity in respect of both its floristic composition and syntaxonomy
The ecosystems of the class Festuco-Brometea in Bosnia and Herzegovina play an important role in the overall biological diversity.They are distinguished by a large number of vegetation units, as well as by significant number of rare, endemic or relict plant species
Comparative analises have shown that class Festuco-Brometea on the Balkan is characterized by high species and syntaxonomic diversity with 1000 recorded taxa, and more than 100 described phytocoenoses.Average number of species per association varies between 90 and 230, which places them among the ecosystems with the highest species diversity level (Redžić, 1999)
Summary
The results of numerous ecological studies have shown that vegetation of the Balkan peninsula expresses high heterogeneity in respect of both its floristic composition and syntaxonomy. The class Festuco-Brometea in study area is being differentiated into the alliances Xerobromion erecti (with suballiance Fumano-Scabiosenion leucophyllae) and Mesobromion erecti (with suballiance Eu-Mesobromenion).
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