Related by context. Frequent words. (Click for all words.) 68 transboundary 63 trans boundary 60 Salinity 57 Intensification 57 IWRM 55 Biodiversity Conservation 53 River Basins 53 Watersheds 52 Ecological 52 Hydrologic 52 Changing Climate 52 Baltic Sea Region 52 Carbon Sequestration 52 Antibiotic Resistance 52 Aquifers 52 Climate Change Adaptation 52 Pollutant 51 wetland ecosystems 51 Delineation 51 Invasive Plants 51 Sediments 51 River Estuary 51 Radioactive Waste 50 Climate Change Impacts 50 Invasive Species 50 headwater 50 Ballast Water 50 Protected Areas 50 Biodiversity 50 river basins 49 Marine Mammals 49 Hydrological 49 Water Framework Directive 49 Predation 49 Protected Area 49 Traditional Knowledge 49 Coral Reefs 49 Habitat Restoration 49 Land Tenure 48 Afforestation 48 Groundwater 48 Greenhouse Gases 48 Catchment 48 Wetland 48 GEOSS 48 Tributary 48 Rainwater Harvesting 48 Trade Facilitation 48 Biosphere Reserve 48 Watershed 48 Ecosystems 48 Strategic Framework 48 Combat Desertification 48 Pandemic Preparedness 47 salination 47 aquatic ecosystems 47 biodiversity conservation 47 Erosion Control 47 Riparian 47 multistakeholder 47 Ecosystem 47 Desertification 47 aquatic ecosystem 47 Geochemistry 47 Medicinal Plants 47 Migratory 47 Water Shortage 47 Urbanization 47 Impacts 47 Observing System 47 Multi Sectoral 47 Fighting Corruption 47 River Basin 47 riparian zones 46 freshwater ecosystems 46 Acid Rain 46 Vegetative 46 Boundary Waters Treaty 46 Wetlands 46 SAICM 46 Vegetation Management 46 Drug Resistant 46 Enviromental 46 river basin 46 Economic Diversification 46 Algal 46 Genetic Resources 46 Sediment 46 multi stakeholder 46 Milfoil 46 Interdepartmental 46 Carbonate 46 Disaster Risk 46 biosphere reserves 46 habitat fragmentation 46 biodiversity hotspot 46 Kazakhstan Kyrgyzstan Tajikistan Turkmenistan 46 Economic Impacts 45 Policy Framework 45 Related Matters 45 inter sectoral