| Category | 
                    Item Name | 
                    Item Title | 
                                        Item | 
                    More Info. | 
                                    
                                            
                                 | D. Physiographic Features | 
                                                     D1 Geographical | 
                                Bathymetric map | 
                    
eur32-01.gif
                            
                
                     | 
                                        
                        
                     | 
                                    
                    
                         | 
                                     D2 Climatic | 
                                Water temperature, monthly for 1m, 20m, 400m (1973-1974) | 
                    
eur32-02.gif
                            
                
                     | 
                                        
                        
                     | 
                                    
                    
                         | 
                                     D3 Hydrodynamic | 
                                River water flow vs. surface water level (1977) | 
                    
eur32-03.gif
                            
                
                     | 
                                        
                        
                     | 
                                    
                    
                         | 
                             | 
                        River water flow vs. transparency (1976, 1977) | 
                    
eur32-05.gif
                            
                
                     | 
                                        
                        
                     | 
                                    
                    
                                 | E. Water Quality | 
                                                     E1 Transparency | 
                                At 4 locations, monthly (1976) | 
                    
eur32-04.gif
                            
                
                     | 
                                        
                        
                     | 
                                    
                    
                         | 
                                     E4 DO | 
                                Vertical distribution of DO, at center (1966, 1973, 1975, 1976) | 
                    
eur32-06.gif
                            
                
                     | 
                                        
                        
                     | 
                                    
                    
                         | 
                                     E6 Chlorophyll | 
                                At 4 locations, monthly (1976) | 
                    
eur32-07.gif
                            
                
                     | 
                                        
                        
                     | 
                                    
                    
                         | 
                                     E7 Nitrogen | 
                                Increasing of T-N and NO3-N concentration (1966-1976) | 
                    
eur32-09.gif
                            
                
                     | 
                                        
                        
                     | 
                                    
                    
                         | 
                             | 
                        Phosphorus loadings resulting from population increase  (1900-1975) | 
                    
eur32-14.gif
                            
                
                     | 
                                        
                        
                     | 
                                    
                    
                         | 
                                     E8 Phosphorus | 
                                Long-term changes of agricultural area | 
                    
eur32-13.gif
                            
                
                     | 
                                        
                        
                     | 
                                    
                    
                         | 
                             | 
                        T-P and PO4-P, monthly (1974) | 
                    
eur32-08.gif
                            
                
                     | 
                                        
                        
                     | 
                                    
                    
                         | 
                             | 
                        Yearly loading of phosphorus to the lake | 
                    
eur32-12.gif
                            
                
                     | 
                                        
                        
                     | 
                                    
                    
                                 | F. Biological Features | 
                                                     F4 Biomass | 
                                Past trend of algal biomass and its composition | 
                    
eur32-11.gif
                            
                
                     | 
                                        
                        
                     | 
                                    
                    
                         | 
                             | 
                        Phytoplankton biomass and composition in percentages | 
                    
eur32-10.gif
                            
                
                     | 
                                        
                        
                     |