Bromo moesiacae-Stipetum epilosae – nova asociacija reliktne stepske vegetacije v jugozahodni Bolgariji

Salza Todorova, Rossen Tzonev

Povzetek

Naredili smo sintaksonomsko analizo suhih travnikov (Festuco-Brometea) v kraškem območju Bosnek v gorovju Vitoša (jugozahodna Bolgarija). Ti travniki so del intraconalne vegetacije, razširjene v pasu kserofilnih hrastovih in mezofilnih bukovih gozdov na jugozahodnih vznožjih hribovja. Matična podlaga je karbonatna, tla so suha in plitva, podnebje je zmerno celinsko. Vegetacija uspeva na strmih naklonih z južno in jugozahodno ekspozicijo. Poleg značilnih vrst razreda Festuco-Brometea označujejo preučevano vegetacijo številne endemične (regionalne in lokalne) vrste in številne sredozemske vrste. Kot rezultat smo opisali novo asociacijo Bromo moesiacae-Stipetum epilosae ass. nova, ki jo uvršč amo v zvezo Saturejon montanae. Naredili smo tudi primerjavo s sorodnimi sintaksoni s kraških gorovij jugozahodne Bolgarije in vzhodne Srbije in podali nekaj zaključkov o izvoru stepske vegetacije v preučevanem območju.

Ključne besede

apnenčasti travniki, suhi travniki, fitosociologija, sintaksonomija, Festuco-Brometea, Saturejon montanae.

Celotno besedilo:

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