Books & media

Environmental aspects 112 Statistics 102 Economic aspects 82 Fish stock assessment 62 Pollution 57 Water quality 55 Government policy 51 Public opinion 49 Water 48 Evaluation 47 Management 43 Social aspects 43 Econometric models 38 Prevention 34 Building permits 33 Design and construction 32 Health aspects 32 Law and legislation 32 Research 32 Education 31 Mathematical models 30 Youth 28 Health and hygiene 27 History 27 Air 26 Attitudes 26 Climatic changes 25 Catch effort 24 Economic conditions 23 Measurement 23