Ecological response Atmospheric particulate matter 1 Back-of-the-envelope calculations 1 Commerce 1 Comparative studies 1 Disease ecology 1 Diseases 1 Ecology 1 Economic and social effects 1 Ecosystems 1 Ecotoxicity 1 Energy security 1 Environmental flow 1 Environmental flows 1 Environmental impact 1 European Union 1 Fish 1 Flow regime recovery 1 Flow regimes 1 Forest cover 1 Forestry 1 Functional flow 1 Heavy metals 1 Herbaceous plants 1 Human health 1 Hydropower planning 1 Land use 1 Land-use change 1 Migratory fishes 1 Neural networks 1