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Fitosociologia numero 42 (1)

pag. 97-107: Comparison of short-lived ruderal vegetation of the inland and coastal regions in the southern part of the Balkan peninsula

A. Carni1 & V. Matevski2

1Institute of Biology, Scientific Research Center of the Slovenian Academy of Sciences and Arts, Novi trg 2, p.b. 306, SI-1001 Ljubljana

2Institute of Biology, Faculty of Natural Sciences and Mathematics, Gazi baba b/b, p.b. 162, MK 91 000 Skopje

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abstract

The work presents two ruderal, therophytic communities in the southern part of the Balkan peninsula that develop early in the spring. The community occurring in the southern part of the Republic of Macedonia and being under the influence of the Submediterranean climate was classified into the association Trigonello monspliecae-Anthemidetum austriacae Carni et Matevski ass. nova (alliance Sisymbrion officinalis). However, the community that was sampled on the coast of the Aegean sea was classified into the Geranio brutii-Anthemidetum chiae Carni et Matevski ass. nova (Hordeion leporini). Since the alliances Sisymbrion officinalis and Hordeion leporini are geographical vicariants, the composition of the communities does not differ with regard to the life history traits, namely the species are mostly classified into ruderal species that survive the summer drought and heat in the form of seeds. However, they differ in the geoelement structure since there are several species that are defined as Paleotemperate, Eurasiatic, Pontic and Cosmopolitic geoelements in the Submediterranean community, particularly because of colder winters. In the Mediterranean community sampled in the coastal parts, there are more elements of the Mediterranean flora element. It was established that the main difference between both communities is in the fact that in the inland community the species from the family Fabaceae prevail whereas in the coastal community they are the species from the family Poaceae.

keywords

Balkan peninsula, communities, Europe, floristics, geoelements, life forms, life history traits, phytosociology, ruderal vegetation, Stellarieteae mediae, therophytes, vegetation