Conservation Protected areas Environmental protection 10 Biodiversity 5 protected area 5 Ecosystems 4 Area-based 3 Ecology 3 Natura 2000 3 Planning 3 Sustainable development 3 Biodiversity conservation 2 Birds 2 European Union 2 Forestry 2 Indicator indicator 2 Land use 2 Protected area management 2 biodiversity 2 conservation management 2 conservation status 2 ecological approach 2 environmental protection 2 habitat management 2 land use 2 Afghanistan 1 Arable land 1 Assessment process 1 Bhutan 1 Biogeographical regions 1