Research of family Allium is on territory of Western Podilia

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N. V. Rubanovska
L. G. Lyubinska

Анотація

Introduction. The human impact in   Western  Podillya led to  the changes in the state of plant habitats and their destruction. The  species of the genus Allium, an overwhelming number of which are included in the list of international protection of rare species, the Red Book of Ukraine (RBU) and regional red lists, turned to be the most vulnerable.  The study of the genus Allium  in conditions of the region and the prospects for their protection is relevant today.

Purpose: the study of  ekotopolohical differentiation  of genus Allium in Western Podillya and  the affinity of rare species to ekotsenofitons.

Methods. To study the genus Allium in Western Podillya we traced the historical aspects of its research. The  analysis of  literature and processed herbarium collections from scientific and educational institutions of Ukraine were maid for this purpose. The research was conducted during 2006-2015, using details - route and semi-stationary and stationary methods. It established the modern distribution of species, ecological-coenotic conditions of habitats. The ekotopolohical classification of VV Novosad was used.

ResultsIt was established that in Western Podillya there  grow 14 species of the genus Allium (A. angulosum, A. flavescens, A. Obliquum, A. oleraceum, A. pervestitum, A. podolicum, A. scordoprassum, A.senescens L. subsp. Montanum, A. sphaerocephalon, A. sphaeropodum, A. strictum, A. ursinum, A. vineale, A. waldsteinii). The species of genus form six kinds of  ekotsenofitons: Calcepetrophyton, Steppophyton, Thamnophyton, Pratophyton, Antropogenophyton, Drymophyton.  The largest part  (9) species of the genus Allium are  common in Calcepetrophyton. The sozological status of species is given. It was indicated that five species were included in the Red Book of Ukraine, and three types - regionally rare. Four types of national-level are common in kaltsepetrofitonic ekotsenofiton and one species grow Drymophyton. Among the regionally rare species Allium podolicum  is present in five ekotsenofitons except  Drymophyton, and two species (A. sphaerocephalon, A. flavescens)  are in two ekotsenofitons. The status  of regionally rare species must be given  to A.senescens, L. subsp. montanum  in  Khmelnitsky region., and A. sphaerocephalon in  Ternopil region. For all rare species the  protection of their  habitats should be provided.

Originality. The comprehensive study of ekocoenotic  features of the genus in Western Podillya was held for the first time.        

Conclusion. Analyzing the  participation of  species of the genus Allium L.  as ekocenic lements  in ekofitons of Western Podillya it was found that A. angulosum and A. strictum  belong to one ekofiton, A. podolicum (9) and A. waldsteinii (8) belong to the largest number of ekofitons.  Such species as A. flavescens and  A sphaerocephalon belong to  five ekofitons, A. scorodoprasum A. vineale A. vineale and A. senescens L. subsp. montanum - to four ekofitons. A. obligum, A. oleraceum and A. pervestitum belong to three ekofitons, A. sphaeropodum and A. ursinum – to two ekofitons.

In  Western Podillya the  rare species  are mostly represented in the following ekofitons: Calcepetrophyton (4 - species from the RBU, 3 - regionally rare), Drymophyton - one type from RBU, Thamnophyton and Antropogenophyton - two regionally rare species, and Steppophyton and Pratophyton - one .

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