1. Karadag Scientific Station – Nature Reserve, Russian Academy of Sciences, Nauki 24, Kurortnoe, Feodosiya 298188, Russia
2. Palaeoceanology Unit, Faculty of Geosciences, University of Szczecin, and Natural Sciences Research and Educational Center, University of Szczecin, Mickiewicza 16a, PL-70-383, Szczecin, Poland
3. Royal Botanic Garden Edinburgh, 20A Inverleith Row, Edinburgh EH3 5LR, Scotland, UK
4. Aquatic Ecosystems, Institute for Food and Agricultural Research and Technology (IRTA), Crta de Poble Nou Km 5.5, E-43540 Sant Carles de la Ràpita, Catalunya, Spain
5. Faculty of Materials Science and Engineering, Warsaw University of Technology, Narbutta 85, Warsaw 02-524, Poland
6. Institute for Biology of Inland Waters, Russian Academy of Sciences, Borok, Russia