Zahodno-pontska stepska vegetacija v Bolgariji
Ključne besede:
sintaksonomija, Festuco-Brometea, Festucetalia valesiacae, NATURA 2000Povzetek
V članku je predstavljena sintaksonomska analiza zeliščnih fitocenoz na strmih kamnitih pobočjih in ravninskih predelih ob severnih obalah Črnega morja in v notranjosti Južne Dobrudže (severovzhodna Bolgarija). Obravnava poseben vzorec vegetacije v tem delu Balkansko-Mezijske (Spodnje donavske) gozdno-stepske province Evroazijskega stepskega območja. Primerljivo ohranjen relikt stepske vegetacije vsebuje relativno veliko število endemnih, redkih in ogroženih vrst, zato je pomemben za ohranjanje biodiverzitete in posebnih habitatov. Opisani sta dve novi asociaciji: 1) Alysso caliacrae-Atremisietum lerchianae z dvema subasociacijama – typicum in camphoresmetosum monspeliacae, in 2) Paeonio tenuifoliae-Koelerietum brevis s tremi variantami. Asociaciji uvrščamo v zvezo Pimpinello-Thymion zigoidi – endemni sintakson na obalah Črnega morja v Bolgariji in Romuniji.
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