Support from from CzeCOS (LM2015061) is acknowledged
See also:
Krupková, L., Havránková, K., Krejza, J., Sedlák, P. and Marek, M. V.: Impact of water scarcity on spruce and beech forests, Journal of Forestry Research, 30(3), 899–909, doi:10.1007/s11676-018-0642-5, 2018.