[1
]Balaton Limnological Institute; MTA Centre for Ecological Research; Tihany Hungary
[2
]WasserCluster Lunz; Dr. Carl Kupelwieser Promenade 5 AT-3293 Lunz am See Austria
[3
]Doctoral School of Environmental Sciences; Eötvös Loránd University; Budapest Hungary
[4
]Fácán sor 56; Gödöllő Hungary
[5
]Department of Hydrobiology; University of Debrecen; Debrecen Hungary
[6
]Kiskunság National Park Directorate; Kecskemét Hungary