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| augstais purvs (1) |
| Layman's report (1) |
| NATURAL SCIENCES (2) |
| NATURAL SCIENCES::Biology (2) |
| purva biotopu atjaunošana (2) |
| raised bogs (2) |
| restoration of raised bog habitats (2) |
| augstais purvs (1) |
| Layman's report (1) |
| NATURAL SCIENCES (2) |
| NATURAL SCIENCES::Biology (2) |
| purva biotopu atjaunošana (2) |
| raised bogs (2) |
| restoration of raised bog habitats (2) |