Anthropogenic pressures 1 Aquatic habitat Aquatic habitats 1 Chemical detection 1 Condition 1 Continental scale 1 Ecological status 1 Ecosystems 1 Environmental regulations 1 Europe 1 European Union 1 Good ecological status 1 Indicators (chemical) 1 Nutrients 1 Organic pollution 1 Probability maps 1 Regression analysis 1 River impact 1 River pollution 1 Rivers 1 Uncertainty analysis 1 Water Framework Directive 1 Water Framework Directives 1 Water conservation 1 anthropogenic effect 1 ecological impact 1 habitat fragmentation 1 management practice 1 mapping method 1 probability 1