1. ECOLOGICAL OR HISTORICAL BIOGEOGRAPHY OF CALCAREOUS FENS? DIFFERENCES AND SIMILARITIES BETWEEN THE WESTERN AND EASTERN CARPATHIANS IN THE EUROPEAN CONTEXT. Authors: MICHAL HÁJEK, PETRA HÁJKOVÁ, DANIEL DÍTĚ, IRINA GOIA, VERONIKA HORSÁKOVÁ, MICHAL HORSÁK, TOMÁŠ PETERKA.2. THREE MAJOR VEGETATION TURNOVERS SINCE THE LAST GLACIAL MAXIMUM RECORDED IN CALCAREOUS TUFA DEPOSIT IN THE DANUBIAN LOWLAND (SLOVAKIA). Authors: ANNA POTŮČKOVÁ, EVA JAMRICHOVÁ, MICHAL HORSÁK, LIBOR PETR, MAREK KŘÍŽEK, PETRA HÁJKOVÁ.