1. Department of Experimental Plant Biology, Faculty of Science, Charles University, Prague, Czech Republic
2. Department of Applied Geoinformatics and Cartography, Faculty of Science, Charles University, Prague, Czech Republic
3. Global Change Research Institute, Czech Academy of Sciences, Brno, Czech Republic
4. NASA Goddard Space Flight Center; Goddard Earth Sciences Technology and Research (GESTAR) II, University of Maryland Baltimore County, Greenbelt, MD, USA