Hydrology and parasites : What divides the fish community of the lower Dniester and Dniester estuary into three?

Acknowledgments This research was carried out under the framework of research activities funded by the Ministry of Education and Science of Ukraine(2003–2013) and European FP7 projects No. 226740 EnviroGrids (Building Capacity for a Black Sea Catchment Observation and Assessment System supporting Sustainable Development), No. 287600 PERSEUS “Policy-oriented marine Environmental Research for the Southern European Seas”, TACIS CBC Programme Technical Assistance for Lower Dniester basin water management planning (2006–2007) and the "Cross-border cooperation and sustainable management in the Dniester River basin: Phase III - Implementation of the Action Programme", OSCE, UNEP (2011)Peer reviewedPublisher PD