 |
Piburger See - Austria |
| |
Plum Island Ecosystems - United States of America |
| |
Post-mining lakes - Czechia |
| |
Research Department for Limnology Mondsee - Austria |
| |
Reservoir of Riga Hydropower Station on the River Daugava - Latvia |
| |
Rimov reservoir - Czechia |
| |
River Salaca - Latvia |
| |
Schorfheide-Chorin - Germany |
| |
Scoat Tarn - United Kingdom |
| |
Slapy reservoir - Czechia |