Marisia - Maros Megyei Múzeum Évkönyve 32-34. (2014)

Botany

Andreea Natalia MATEI

Fig. 3: Bioforms spectrum for sozological category for the vulnerable species in the western sector of the Natural Park Bucegi

Many autochthon elements, with special phytogeographical importance (Fig. 4), offer to the studied territory a particular character, as carpatho-balkan (Rhododendron myrtifolium, Campanula transsilvanica, Sesleria rigida).

The carphatian-endemic elements are represented by the next species: Hesperis nivea, Saxifraga mutata and Erigeron nanus.

Fig. 4: Phytogeographic analysis of vulnerable species

Highlighting the cormoflora, ecological indices of the investigated area were made taking into account the behavior of the species to ecological factors: humidity, temperature and soil reaction (Fig. 5).

Humidity factor has the largest percentage represented by mesophilic species (U3-3,5 41 %), accompanied by xero-mesophile ((U2-2,5 35%), which illustrates the presence of stationary conditions with favorable humidity and habitats of installing xero-mesophile meadow plants. Mezohygrophyle species (U4-4,5 12%) are signs of an excess moisture area that allow the installation of a characteristic vegetation for mountain streams on mountain and subalpine floor.

Regarding the temperature factor, a significant number of species are cryophiles (Tl-1,5 50%), typical for cold climate and high altitude, specific to alpine and subalpine vegetation floor.

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