| Category | 
                    Item Name | 
                    Item Title | 
                                        Item | 
                    More Info. | 
                                    
                                            
                                 | D. Physiographic Features | 
                                                     D0 Sketch map | 
                                Lake and the surroundings | 
                    
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                                     D1 Geographical | 
                                Bathymetric map | 
                    
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                                     D2 Climatic | 
                                Daily evolution of water temperature and DO profile (1988, 1989) | 
                    
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                                 | F. Biological Features | 
                                                     F3 Primary Production | 
                                Photosynthetic activity (1987-1989) | 
                    
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                        Profiles of photosyntheric activity (1988, 1989) | 
                    
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                                     F4 Biomass | 
                                Seasonal chanages of copepods biomass (no date) | 
                    
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                        Seasonal change s of zooplankton biomass (no date) | 
                    
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                        Seasonal variation of total phytoplankton biomass (1986-1988) | 
                    
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                        Temporal changes of phytoplankton abundance (1986-1988) | 
                    
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                        Temporal changes of zooplankton mean density (no date) | 
                    
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                                 | I. Deterioration and Hazards | 
                                                     I2 Toxic Contamination | 
                                Estimated and observed mercury levels (1983-1986) | 
                    
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                        Location of mercury sampling sites | 
                    
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