Dry grasslands in the Western Carpathians and the northern Pannonian Basin: a numerical classification

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Authors	DÚBRAVKOVÁ Daniela CHYTRÝ Milan WILLNER Wolfgang ILLYÉS Eszter JANIŠOVÁ Monika KÁLLAYNÉ SZERÉNYI Júlia
Year of publication	2010
Type	Article in Periodical
Magazine / Source	Preslia
MU Faculty or unit	Faculty of Science
Citation
web	http://www.sci.muni.cz/botany/chytry/Dubravkova_etal2010_Preslia.pdf
Field	Ecology
Keywords	Austria; Bromo pannonici-Festucion pallentis; Czech Republic; Festucion valesiacae; Hungary; Koelerio-Phleion phleoidis; TWINSPAN; Slovakia; steppe vegetation; syntaxonomy
Description	A syntaxonomical revision of dry grasslands of the alliances Bromo pannonici-Festucion pallentis, Festucion valesiacae and Koelerio-Phleion phleoidis (class Festuco-Brometea) in the natural biogeographical region of the Western Carpathians and northern Pannonian Basin is presented. A geographically stratified data set of 2686 relevés from the south-eastern Czech Republic, northeastern Austria, Slovakia and northern Hungary was divided into 25 clusters using a modified TWINSPAN algorithm. The proposed classification simplifies and unifies the previous syntaxonomical systems, which differ in these four countries. Main environmental gradients responsible for variation in species composition of theses grasslands were revealed by detrended correspondence analysis and interpreted using indicator values. The major pattern of variation reflects soil nutrient availability and moisture, which are negatively correlated with soil reaction.
Related projects:	Diversity of Biotic Communities and Populations: Causal Analysis of variation in space and time Vegetation of the Czech Republic: completion of the national survey of plant communities