1. Biology Centre CAS, Institute of Hydrobiology, České Budějovice, Czech Republic
2. Department of Environmental Engineering and Management, O.M. Beketov National University of Urban Economy in Kharkiv, Kharkiv, Ukraine
3. Laboratoire d’Hydrogéologie, Université de Corse Pascal Paoli, Corte, France
4. CNRS, Corte, France