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Ex-situ Conservation for the 21st Century : Plant-biogeographical groups in the Botanical Garden of the Faculty of Science (University of Zagreb, Croatia).

Croatia is an important country in the sense of vascular plant richness and endemism, as well as the vegetation richness ; third European country considering plant biodiversity. Botanical gardens around the world are recognised as the institutions most concerned with ex situ conservation of wild plant diversity: our Garden also has a long tradition in cultivation of rare, endemic and endangered Croatian plant species, resulting in very valuable plant collection dating from the beginnings of the Garden (1890-ies). Most of the indigenous plants are grown in three rockeries: the Karstic, the Mediterranean and the sub-Mediterranean, originally planted according to the phytosociological principles. In that ex situ-Garden communities grow 668 indigenous taxa, out of which 208 are statutory strictly protected or protected. From these, 79 taxa are listed in the Red Book of Vascular flora of Croatia, 38 are endemic in Croatia, 12 are globaly endangered, while 30 taxa are endangered in Croatia. Only 14 taxa we cultivate today in the Garden are included in Natura 2000 Ecological Network. Global Strategy for Plant Conservation (GSPC, Target 8) calls for 75% of threatened plant species to be conserved in ex situ collections until 2020, so there is a long way to go to achieve this Target in the Botanical Garden of the Faculty of Science.

ex-situ conservation ; Plant-biogeographical groups ; Botanical Garden Zagreb ; Faculty of Science ; Croatia

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