ANALYSIS OF THE SOZOPHYTES OF THE CHYGRYNSKYI RAVINE (ODESA REGION, UKRAINE)
Journal Title: Вісник Одеського національного університету. Біологія - Year 2016, Vol 21, Issue 2
Abstract
Steppe biome is practically destroyed in Ukraine. Therefore, areas with steppe plants should be taken under special protection. During 2013-2016 the authors studied flora in Chygrynskyi Ravine, which covers an area of about 600 hectares. 35 steppe species from different red lists were found in the ravine: 17 species from the Red Book of Ukraine, 34 - from the Red List of Odesa region, 4 - from the European Red List, 4 - from the Red List of the International Union for Conservation of Nature. According to the systematic structure of flora three families of monocotyledons (Hyacinthaceae - 6 species, Poaceae - 5, Iridaceae - 4 species) and two families of dicotyledons (Ranunculaceae - 5, Caryophyllacae - 4) dominate. The structure of life forms of sozophytes (protected species of plants) shows domination of herbaceous perennials (32 species), polycarpous plants (34), short-rhizome plants (14), there are many tap root plants (7 species), bulb plants (6) and dense-tussock plants (5 species). According to the Raunkiyer life form classification cryptophytes (geophytes - 18) and hemicryptophytes (14 species) prevail. The analysis emphasizes the steppe nature of the sozophytes. Sozophyte number indicates great value of these areas for conservation. Species with wide areas of distribution prevail. There are 7 species near the area borders. Also there are three endemics (Eremogone cephalotes, Phlomis hybrida, Vincetoxicum intermedium). Only 9 species are vulnerable (6), endangered (2), or rare (1). For most (25) species, that are unidentified and not studied enough, further researches of the distribution, population structure and trend changes are relevant. It is proposed to include the ravine into the regional landscape park "Tiligulskyi" covering Tilihul liman and its coast in Odesa region.
Authors and Affiliations
O. M. Popova, S. Yu. Rohozin
Keywords
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