 |
Helsinki Metropolitan Area HMA-LTSER - Finland |
|
| |
Lake Päijänne LTER - Finland |
|
| |
Reservoir of Riga Hydropower Station on the River Daugava - Latvia |
|
| |
Asko Laboratory, Himmerfjarden, Stockholm University Baltic Sea Centre (LTER) - Sweden |
|
| |
Asa Experimental Forest and Research Station - Sweden |
|