nature conservation 2 [vynechat] ochrana prírody 2 [vynechat] plant communities 2 [vynechat] rastlinné spoločenstvá 2 [vynechat] aquatic animals 1 [vynechat] biodiversity 1 [vynechat] biodiverzita 1 [vynechat] biotopes 1 [vynechat] biotopy 1 [vynechat] dendroecology 1 [vynechat] dendroekológia 1 [vynechat] ecology 1 [vynechat] ekológia 1 [vynechat] environment 1 [vynechat] forestry 1 [vynechat] forests 1 [vynechat] kry 1 [vynechat] lesníctvo 1 [vynechat] lesy 1 [vynechat] riečne ekosystémy 1 [vynechat] river ecosystems 1 [vynechat] shrubs 1 [vynechat] vegetation 1 [vynechat] vegetácia 1 [vynechat] vodné rastlinné spoločenstvá 1 [vynechat] vodné živočíchy 1 [vynechat] water plant communities 1 [vynechat] životné prostredie 1 [vynechat]