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Karel Fiala
Department of Vegetation Ecology, Institute of Botany, Academy of Sciences of the Czech Republic, Lidická 25, 602 00 Brno, Czech Republic;
Ivan Tůma
Department of Agrochemistry, Soil Science, Microbiology and Plant Nutrition, Faculty of Agronomy, Mendel University in Brno, Zemčdčlská 1, 613 00 Brno, Czech Republic;
Petr Holub
Global Change Research Centre, Academy of Sciences of the Czech Republic, Bëlidla 4a, 603 00 Brno, Czech Republic;