 |
Nationalpark Kellerwald-Edersee - Germany |
| |
Nature Reserve Rode Forest and Laan Valley - Belgium |
| |
North Sea Benthos Observatory - Germany |
| |
Ogawa Forest Reserve - Japan |
 |
Ohrid and Prespa - Macedonia - Standing water (Lakes) |
| |
Ojcowski National Park - Poland |
| |
Omora Ethnobotanical Park Cape Horn LTER - Chile |
| |
Otsuchi Bay - Japan |
| |
OZCAR-RI M-TROPICS, Dong Cao - Viet Nam |
| |
OZCAR-RI M-TROPICS, Houay Pano - Lao People's Democratic Republic |