声明
Declaration
Copyright
Contents
List of Abbreviations and Symbols
List of Tables
List of Figures
摘要
Abstract
1 INTRODUCTION
1.1 Background
1.2 Problem statement
1.3 Significance of the study
2 LITERATURE REVIEW
2.1 Methodology for water quality assessment
2.1.1 Physical parameters assessment
2.1.2 Chemical parameters assessment
2.1.3 Biological parameters assessment
2.1.4 Water quality indices
2.1.5 Water quality guideline values
2.2 WHO Guidelines for Drinking-water Quality
2.3 Linkage between pollution and water quality at watershed scale
2.4 Watershed Management
2.4.1 Definition
2.4.2 Watershed,a unit for water resource management
2.4.3 Integrated Water Resources Management,a holistic management approach
2.4.4 Key integrated watershed management challenges
3 RESEARCH OBJECTIVES,QUESTIONS AND METHODOLOGY
3.1 Research objectives
3.2 Research questions
3.3 Scope and limitations
3.4 Study Area Description
3.4.1 Hydrology of Nyabugogo River watershed
3.4.2 Water demand and supply in Nyabugogo River watershed
3.4.3 Wastewater collection,treatment and disposal
3.4.4 Solid wastes collection and management
3.4.5 Pollution sources
3.4.6 Nyabugogo river,a dumping site
3.4.7 Current situation of Nyabugogo River pollution management
3.5 Research methodology
3.5.1 Description of sampling sites
3.5.2 Sample collection
3.5.3 Parameters analysis
3.5.4 Result analysis
4 RESULTS AND DISCUSSION
4.1 Physical water quality
4.1.1 Turbidity
4.1.2 Conductivity
4.1.3 Dissolved Oxygen
4.1.4 pH
4.2 Chemical water quality
4.2.1 Ammonia nitrogen
4.2.2 Nitrate nitrogen
4.2.3 Nitrite nitrogen
4.2.4 Sulphates
4.2.5 Phosphates
4.2.6 Biochemical Oxygen Demand
4.2.7 Chemical Oxygen Demand
4.2.8 Iron
4.2.9 Manganese
4.2.10 Lead
4.2.11 Chromium
4.2.12 Zinc
4.3 Pollution distribution according to Prati index
4.4 Comparison of data analysis results with guideline values
5.INTEGRATED MANAGEMENT OF NYABUGOGO RIVER WATERSHED
5.1 Applying targeted technical management solutions
5.2 Applying user participation approach
5.3 Watershed-based community organization
5.4 Establishing an institutional framework
6 CONCLUSIONS AND RECOMMENDATIONS
REFERENCES
APPENDICES
ACKNOWLEDGMENTS
厦门大学;