1. Department of Soil Science and Soil Protection, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Prague, Czech Republic
2. Laboratory of Signal and Image Processing, Institute of Complex Systems, South Bohemian Research Centre of Aquaculture and Biodiversity of Hydrocenoses, Faculty of Fisheries and Protection of Waters, University of South Bohemia in Ceske Budejovice, Nove Hrady, Czech Republic
3. The Remote Sensing and GIS Laboratory, Department of Geography and Human Environment, Tel-Aviv University, Tel-Aviv, Israel