SHRUBS-DOMINATED VEGETATION IN NEAGRA BROŞTENILOR RIVER BASIN (ROMANIAN EASTERN CARPATHIANS)

The article presents a numerical analysis of shrubs-dominated vegetation in Neagra Brostenilor river basin (Romanian Eastern Carpathians). The study focuses on the floristic variability and syntaxonomic diversity of these vegetation types, on diagnostic species, and ecological preferences. Data classification, carried out using a hierarchical agglomerative clustering procedure, revealed seven well-defined plant communities, related to associations described in the literature based on their diagnostic species: Digitali ambigue - Calamagrostietum arundinaceae Sillinger 1933 subass. spiraeetosum chamaedryfoliae (Resm. et Csurös 1966) Coldea 1991, Rubetum idaei Gams 1927, Salici - Alnetum viridis Colic et al. 1962, Rhododendro myrtifolii - Pinetum mugo Coldea 1991, Rhododendro myrtifolii - Vaccinietum Coldea et al. 1981, Campanulo abietinae - Juniperetum nanae Simon 1966 and Empetro - Vaccinietum gaultherioidis Br.-Bl. in Br.-Bl. et Jenny 1926 corr. Grabherr in Grabherr et Mucina 1993. All described syntaxa were characterized in terms of diagnostic, constant and dominant species, distribution, and aspects related to floristic and phytosociological composition.