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Natura Croatica : Periodicum Musei Historiae Naturalis Croatici, Vol. 22 No. 1, 2013.

Original scientific paper

Flora of the seminatural marshland Savica, part of the (sub)urban flora of the city of Zagreb (Croatia)

Antun Alegro orcid id orcid.org/0000-0001-6193-2395 ; University of Zagreb, Faculty of Science, Division of Biology, Department of Botany and Botanical Garden, Marulićev trg 20/II, HR-10000 Zagreb, Croatia
Sandro Bogdanović ; University of Zagreb, Faculty of Agriculture, Department of Agricultural Botany, Svetošimunska 25, HR-10000 Zagreb, Croatia
Ivana Rešetnik ; University of Zagreb, Faculty of Science, Division of Biology, Department of Botany and Botanical Garden, Marulićev trg 20/II, HR-10000 Zagreb, Croatia
Igor Boršić ; State Institute for Nature Protection, Trg Mažuranića 5, HR-10000 Zagreb, Croatia
Petra Cigić ; Ministry of Health, Directorate for Sanitary Inspection, Branimirova 183, HR-10000, Zagreb, Croatia
Toni Nikolić ; University of Zagreb, Faculty of Science, Division of Biology, Department of Botany and Botanical Garden, Marulićev trg 20/II, HR-10000 Zagreb, Croatia

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Abstract

The flora of Savica, a suburban part of the town Zagreb with remnants of alluvial forests and vegetation of still waters, was surveyed mainly during 2006 with some later additions. In total 289 vascular plant species and subspecies were recorded. Regarding the spectrum of chorological types the flora of Savica is similar to other areas of NW Croatia, but with higher ratio of Euro-Asiatic chorotypes (48.3%), adventive species (13.2%) and Mediterranean chorotypes (9.7%) as consequence of anthropogenic influence and the ruderalisation of habitats. The same process is reflected in its relatively high ratio of therophytes (19.1%). Indicators of anthropogenic changes show that the flora of Savica is more influenced by archaeophytes than by neophytes. Among them, 25 species (8.6%) are invasive alien species. The life-form spectrum is almost the same as for other areas of NW Croatia, suggesting that the flora has a structure well adapted to general climate of North-Western Croatia. A special value of the flora of Savica consists of stands of tree species representing the last remnants of alluvial forests along the Sava River, as well as hydrophytes and helophytes in and around small lakes.

Keywords

biodiversity; urban flora; life-forms; chorological types; alien species

Hrčak ID:

104419

URI

https://hrcak.srce.hr/104419

Publication date:

30.6.2013.

Article data in other languages: croatian

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