| Category | 
                    Item Name | 
                    Item Title | 
                                        Item | 
                    More Info. | 
                                    
                                            
                                 | D. Physiographic Features | 
                                                     D0 Sketch map | 
                                Lake and surroundings | 
                    
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                                     D1 Geographical | 
                                Bathymetric map | 
                    
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                                     D2 Climatic | 
                                Thermal profile | 
                    
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                                 | E. Water Quality | 
                                                     E10 Past Trends | 
                                Past trends -at the end of the ice-cover period and after spring overturn- DO, Conductivity, TIC, TP (5 year period after filling) | 
                    
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                        Past trends -at the end of the ice-cover period and after spring overturn- DO, pH, TIN, TP (5 year period after filling) | 
                    
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                        Past trends -in the photic zone of each reservoir- DO, pH, TOC, TP, Chorophyll, Silica (5 year period after filling) | 
                    
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                                 | F. Biological Features | 
                                                     F1 Flora | 
                                Typical vegetation profiles | 
                    
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                                     F2 Fauna | 
                                Relative abundance of fish species (1977-1978) | 
                    
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                                     F4 Biomass | 
                                Changes, over time, of the biomass of the zooplanktonic groups (1978-1984) | 
                    
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                                     F5 Fishery Products | 
                                Fishing yields (1977-1984) | 
                    
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                                 | I. Deterioration and Hazards | 
                                                     I2 Toxic Contamination | 
                                Average mercury levels (1978, 1982, 1984, 1986) | 
                    
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                        Mean total mercury concentrations (1978-1984) | 
                    
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