Phytosociological and ecological peculiarities of Festuca pallens Host in Ukraine

Author:

Didukh Yakiv1ORCID,Vasheniak Iuliia2ORCID,Bednarska Iryna3

Affiliation:

1. M.G. Kholodny Institute of Botany, NAS of Ukraine , Kyiv , Ukraine .

2. Vasyl’ Stus Donetsk National University , Vinnytsia , Ukraine .

3. Institute of Ecology of the Carpathians, NAS of Ukraine , Lviv , Ukraine .

Abstract

Abstract This article deals with phytosociological and ecological requirements of the vulnerable species Festuca pallens in Ukraine. Based on the analysis of 51 relevés, we have recognized the occurrence of Festuca pallens in three associations within the Festuco-Brometea class. Some communities where Festuca pallens occurs have transitional stages of succession to forest edge vegetation according to the expert system classification. In addition, we evaluated the ecological differences among occupied habitats using Didukh’s phytoindication scales and concluded that the most important ecological factors are soil humidity, nitrogen content, soil aeration, salt regime, carbonate content, thermoregime, and climate continentality. Finally, we evaluated the threats to the existence of these communities with the presence of Festuca pallens, taking into account climate change and other impacts of anthropogenic activities (illegal mining, recreation, afforestation).

Publisher

Walter de Gruyter GmbH

Subject

Plant Science,Ecology, Evolution, Behavior and Systematics,Forestry

Reference50 articles.

1. Alexeev, E. (1975). Narrow-leaved fescue (Festuca L.) of the European part USSR. Novelties of vascular plants systematics, 12, 1143 (in Russian).

2. Auquier, P., & Kerguélen, M. (1978). Un groupe embrouillé de Festuca (Poaceae): les taxons désignés par l’épithéte «glauca» en Europe Occidentale et dans les régions voisines. Lejeunia, 89(2), 1–82 (in French).

3. Bednarska, I. (2003). Festuca glauca agg. species in the flora of Ukraine. Visnyk of L’viv Univ. Biology, 33, 27–41 (in Ukrainian).

4. Bednarska, I. (2011). Evaluation of the populations state of the rare species of genus Festuca L. (Poaceae) in the Flora of Ukraine. I. Festuca pallens Host. Scientific Principles of Biodiversity Conservation, 2(9), 9–22 (in Ukrainian).

5. Bednarska, I., & Kagalo, A. (2009). Festuca pallens Host. In Didukh, Y. (ed.), Red Data Book of Ukraine. Vegetable Kingdom. Globalkonsalting (in Ukrainian).

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