| Category | 
                    Item Name | 
                    Item Title | 
                                        Item | 
                    More Info. | 
                                    
                                            
                                 | D. Physiographic Features | 
                                                     D2 Climatic | 
                                Mean temp. precip. Monthly (1931-1960); Water temp. monthly, by depth (1983-1987) | 
                    
eur-18-d2.xls
                            
                
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                                 | E. Water Quality | 
                                                     E1 Transparency | 
                                Mar. and Aug. at 3 stations (1983-1987) | 
                    
eur-18-e1.xls
                            
                
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                                     E2 pH | 
                                Mar. and Aug. at 3 stations, by depth (1983-1987) | 
                    
eur-18-e2.xls
                            
                
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                                     E4 DO | 
                                Mar. and Aug. at 3 stations, by depth (1983-1987) | 
                    
eur-18-e4.xls
                            
                
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                                     E5 COD | 
                                Mar. and Aug. at 3 stations, by depth (1983-1987) | 
                    
eur-18-e5.xls
                            
                
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                                     E6 Chlorophyll | 
                                Mar. and Aug. at 3 stations, by depth (1983-1987) | 
                    
eur-18-e6.xls
                            
                
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                                     E7 Nitrogen | 
                                Mar. and Aug. at 3 stations, by depth (1983-1987) | 
                    
eur-18-e7.xls
                            
                
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                                     E8 Phosphorus | 
                                Mar. and Aug. at 3 stations, by depth (1983-1987) | 
                    
eur-18-e8.xls
                            
                
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                                 | G. Socio-economic Conditions | 
                                                     G1 Land Use | 
                                Natural, agricultura, residential others | 
                    
eur-18-g1.xls
                            
                
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                                     G2 Industries | 
                                Primary, secondary, tertiary | 
                    
eur-18-g2.xls
                            
                
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                                     G3 Population | 
                                Population, density | 
                    
eur-18-g3.xls
                            
                
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                                 | H. Lake Utilization | 
                                                     H2 Lake as Water Resource | 
                                Domestic | 
                    
eur-18-h2.xls
                            
                
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                                 | I. Deterioration and Hazards | 
                                                     I2 Toxic Contamination | 
                                Heavy metals, agricultural chemicals, DDT | 
                    
eur-18-i2.xls
                            
                
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                                     I3 Eutrophication | 
                                T-N and T-P loadings | 
                    
eur-18-i3.xls
                            
                
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