DBPapers
DOI: 10.5593/SGEM2014/B32/S14.056

PHYTOGEOGRAPHIC AND SYNECOLOGICAL ANALYSIS OF SOME ASSOCIATIONS IN FOREST STEPPE AND OAK FORESTS ZONE OF MOLDAVIA, ROMANIA

A. Lupascu
Wednesday 1 October 2014 by Libadmin2014

References: 14th SGEM GeoConference on Water Resources. Forest, Marine And Ocean Ecosystems, www.sgem.org, SGEM2014 Conference Proceedings, ISBN 978-619-7105-14-8 / ISSN 1314-2704, June 19-25, 2014, Vol. 2, 415-426 pp

ABSTRACT
Composition analysis of bioforms and geo-elements of phytocoenoses of Aceri tatarico – Quercetum roboris Zólyomi 1957, Piptathero virescentis – Quercetum dalechampii – Carpinetosum orientalis Chifu, Sârbu and Șerban 2004 and Lathyro venetus – Fagetum Dobrescu et Kovacs 1973, Chifu 1995 nom. novum, provides data on the evolution of ecological relations of a region over time, and also about migrations of species from certain areas of origin and integration in groups of the type specified. Synecological analysis reveals particularities related to the systematic of plant groups, but also to the geographic area of the stations. Thus, for the moisture factor there is a spread in the xero-mesophytic – mesophytic domain in the association of pedunculate and downy oak forest with maple and clear quartering in the mesophilic domain in the other two associations; temperature factor analysis indicate for the three associations a single ecologic group (mesotherm domain) and the trend to thermophily by the pedunculate and downy oak with maple hytocoenoses; soil chemical reaction factor indicates for the sessile oak with common beech phytocoenoses and the common beech with silver linden ones, lime acid soils; soil trophicity factor reveals a greater diversity among pubescens and downy oak with maple phytocoenoses and sessile oak with common beech phytocoenoses and some uniformity between the common beech with silver linden phytocoenoses. Synecologic analysis of phytocoenoses groups allow more complex interpretations within the association.

Keywords: forest associations, bioforms, geo-elements, synecological analysis

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