Communities of class Lemnetea minoris O. Bolόs ex Masclans 1955on territory of National Nature Park “Pyryatynsky”

O. A. Kovalenko

Abstract


Introduction. National Nature Park “Pyryatynsky” is a valuable reserve of flora and vegetation of the Left-Bank Dniepro. The extensive hydrological network of the Udai River and the wide representation within this nature reserve of floodplain reservoirs are the reason for the high diversity of plant communities of higher aquatic vegetation. Fragmentary and non-comlete information about this type of vegetation are existed in literature, however, without geobotanical releves and detailed characteristics of the structure of phytoceonoses, synecology and synchorology.

In this article we classified the communities of free-floating vegetation of NPP "Pyryatynsky" and identify the features of their syntaxonomic and ecological differentiation.

Purpose. To study phytocenoses of the class Lemnetea minoris, to classify communities, to describe features of structure and their distribution on the investigated territory.

Methods. The description of communities was carried out within their natural boundaries. The flow of reservoirs was determined by the scale of D.V. Dubyna. The projective coating was fixed as a percentage with subsequent transformation into scores of the modified scale B.M. Mirkin. In total, 107 geobotanical releves were performed during the period 2010–2017. Treatment of fitosociological data was performed with the JUICE software package. The nomenclature of syntaxons was consistent with the International Code of Phytosociological Nomenclature (ICFN).

Results. The class Lemnetea is represented by 3 orders, 4 alliances and 11 associations on the territory of NPP "Pyryatynsky". The order Lemnetalia minoris have highest level of phytocenotic diversity, most of the phytocenoses of which are the typical for the higher aquatic vegetation of the Udai River, its tributaries and outside floodplain reservoirs. At the same time, rare and little-studied in the region associations Lemnetum gibbae Miyawaki et J. Tüxen 1960 and Lemno gibbae – Wolffietum arrhizae Slavnič 1956 were found. The order Ceratophyllo – Hydrocharietalia morsus-ranae unites communities of unrooted pleistophytes and gidatophytes that develop in eutrophic low-flowing or closed reservoirs with silty bottom sediments and a significant admixture of detritus with neutral reaction of medium. The order Utricularietalia is represented within the NNP by one association, which occurs infrequently and quickly disappears from the marked localities under the influence of successional processes and disturbances of the Udai river basin due to climate change and anthropogenic pressure.

Originality. This is first prodrome of class Lemnetea minoris for territory of National Nature Park “Pyryatynsky”. All obtained results based on original field data.

Conclusions. The class Lemnetea is well-presented on territory of National Nature Park “Pyryatynsky”. It represented by 3 orders, 4 alliances and 11 associations. The order Lemnetalia minoris have highest level of phytocenotic diversity and includes rare communities Lemno gibbae – Wolffietum arrhizae and Lemnetum gibbae. Communities of order The order Utricularietalia need protection, because occurs infrequently and quickly disappears from the marked.


Keywords


aquatic vegetation; Lemnetea; pleistophytes; syntaxonomy; NPP "Pyriatynsky"; phytocenoses

References


Dubyna, D. V. (2006). Higher aquatic vegetation. Kyiv: Phytosotsiotsentr. (In Ukr.)

Solomakha, V. А. (2008). Syntaxonomy of vegetation of Ukraine. Third version. Kyiv: Phytosotsiotsentr. (In Ukr.)

Bardat, J. (2011). Prodrome des vegetations de France. Ver. 01.2. 14.12.2011.

Mucina, L. (1997). Conspectus of Classes of European Vegetation. Folia geobotanica et phytotaxonomica, 32, 117–172.

Rodwell, J. S. (2002). The Diversity of European Vegetation. An Overview of Phytosociological Alliances and their Relationships to EUNIS Habitats. Wageningen: Report EC-LNV Nr. 2002/054.

Sanda, V. (2008). Fitocenozelle din Romania: sintaxonomie, structura, dinamica si evolutie. Bucuresti: Academia.

Schubert, R. (2001). Prodromus der Pflanzengesellschaften Sachen-Anhalts. Dorfrand.

Matuszkiewicz, W. (2001). Przewodnik do oznacznia zbiorowisk Roślinnych Polski. Warszawa: Wydawnictwo Naukowe PWN.

Ninot, J. M. (2000). Syntaxonomic сonspectus of the vegetation of Catalonia and Andorra. I.: Hygrophylous herbaceous. Acta Botanica Barcelona, 46, 191–237.

Prokopuk, M. S., & Pogoryelova Yu. V. (2015). Higher aquatic flora and vegetation of National nature park “Pyryatynsky” (Poltava region, Ukraine). Chornomorskyi botanichnyi zhurnal [Chornomorsk Botanical journal], 11(2), 261–270. (In Ukr.)

Kovalenko, O. (2016). Flora, vegetation and fitosozological aspects of National nature park “Pyryatynsky”. (Unpublished Doctoral thesis dissertation). Gryshko M. M. National Botanical Garden of National Academy of Sciences of Ukraine, Kyiv, Ukraine (In Ukr.).

Bilyk, G. I. (1962). Geobotanical zoning of Ukraine. Ukrainskyi Botanichnyi Zhurnal [Ukrainian Botanical journal], 19(4), 23–32. (In Ukr.)

Didukh, Ya. P., & Shelyag-Sosonko Yu. R. (2003). Geobotanical zoning of Ukraine and surrounding teritories. Ukrainskyi Botanichnyi Zhurnal [Ukrainian Botanical journal], 60(1), 6–17. (In Ukr.)

Mirkin, B. M. (2001). Modern science about vegetation. Moscow: Logos. (In Rus.)

Weber, H. E., Moravec J., & Theurillat J.-P. (2000). International code of phytococilogical nomenklature, 3 ed., 11. 739–760.

Chytry, M. (2011). Vegetace Ceske republiky. 3. Vodni a mokfadni vegetace. Praha: Academia.

Chepinoga, V.V, (2013). Flora and vegetation of aguatic ecosystems of South of Estern Siberia: (Unpublished Doctoral thesis dissertation). State educational institution of higher professional education “Tomsk State University”,Tomsk, Russia (In Rus.)

Lawesson, J. E. (2004). A tentative annotated checklist of Danisch syntaxa. Folia Geobotanica, 39, 73–95.


Full Text: PDF

Refbacks

  • There are currently no refbacks.
Archive
2014 2 36
2015 2 19
2016 1 2
2017 1 2
2018 1 2
2019 1 2
2020 1

User

Information

Journal Content

Browse

Language