Abstract

The article reports about chorology, phytocenotic, biotopical features of 24 orchid species (Orchidaceae Juss.) on the territory of Chernivtsi. The history of studying orchids in the city is described. The authors give the cadastre of locations of orchids based on studies of material at the herbariums (CHER, KW, LE, LW, МНА), literary sources and own collecting expeditions. There found 24 species of orchids in Chernivtsi. 6 of them (Anacamptis coriophora (L.) R.M. Bateman, Pridgeon et M.W. Chase s.l., A. palustris (Jacq.) R.M. Bateman, Pridgeon et M.W. Chase, Corallorhiza trífida Châtel., Dactylorhiza cordigera (Fries) Soó, Orchis purpurea Huds. та О. signifera Vest.) are not been confirmed by modern collecting expeditions, 3 of them (Anacamptis palustris, Orchis purpurea, О. signifera) were listed from herbarium and literary sources of the second half of ХІХ century. At the moment these species and their habitats are suspected to have been lost due to urban transformation. 17 species (70,8%) of orchids have been found in 1-5 habitats, and 7 species (29,2%) – in 6-20 habitats. Orchids are the part of 4 alliance 4 orders and 2 classes of natural vegetation Carpino-Fagetea sylvaticae Jakucs ex Passarge 1968 and Molinio-Arrhenatheretea Tx. 1937 and 5 types of habitats (4 of them are natural and 1 – synanthropic) on the territory of Chernivtsi. Natural plant communities with orchids belong to 4 habitats from Annex I of the Council Directive – 9130, 9170, 6510, 6440 and 4 biotopes listed in Resolution №4 of the Bern Convention – G1.6, G1.A1, E2.2, Е3.4. Remnants of natural forest biotopes having orchids were survived by the designation of landscape sanctuary – «Tsetsino» (430 ha) the object of national significance and «Haryachyy Urban» (108 ha) the object of regional significance. There are 11 and 2 species of orchids on the territory of «Tsetsinо» and «Haryachyy Urban» respectively. Cultivated coenosis of the biggest Park Architecture Monument of regional significance «Zhovtnevyy» (63,5 ha) have 3 speсies of orchids. 4 species are not protected. These results are important for follow-up monitoring measures on rare species of plants in Chernivtsi.

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