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Classification of mesic grasslands and their transitions of South Transdanubia (Hungary)
; Department of Plant Systematics, Ecology and Theoretical Biology, Eötvös Loránd University, Pázmány P. s. 1/C, H-1117 Budapest, Hungary
; South Transdanubian Environment Protection Institute, Köztársaság tér 7, H-7623 Pécs, Hungary
; Department of Plant Taxonomy and Geobotany, University of Pécs, Ifjúság u. 6, H-7624 Pécs, Hungary
Puni tekst: engleski, pdf (752 KB)
Lengyel, A., Purger, D., Csiky, J. (2012). Classification of mesic grasslands and their transitions of South Transdanubia (Hungary). Acta Botanica Croatica, 71(1), 31-50. Preuzeto s http://hrcak.srce.hr/79024
Relevés from meadows and pastures of South Transdanubia (Hungary) are evaluated by clustering and ordination methods. The relevé selection focused on the Arrhenatheretalia order but its transitions towards other types were also included. The groups of relevés are delimited and described according to differential, dominant and constant species. Ecological conditions of the groups were compared using indicator values. Nine groups were distinguished, four of them belonging strictly to the order Arrhenatheretalia. Each alliance of Arrhenatheretalia presented in the study area (Cynosurion, Arrhenatherion) was represented by two groups. Groups from these two alliances are separated along a light gradient, while groups of the same alliance differ in nutrient values. Within Cynosurion, the nutrient-poor group cannot be identified unambiguously as any syntaxa previously known from Hungary. The nutrient-rich Cynosurion meadows are similar to Lolio–Cynosuretum, however, they show a stronger relationship with wet meadows. Within Arrhenatherion, Pastinaco–Arrhenatheretum is recognised as a hay meadow of nutrient-rich soils. The other meadow type is similar to Filipendulo–Arrhenatheretum, thus raising syntaxonomical problems. There are transitional groups towards semi-dry and wet meadows, one dynamic phase and one outlier group among the other five clusters.
vegetation; meadows; pastures; indicators; phytosociology; syntaxonomy
Hrčak ID: 79024
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