| Category | 
                    Item Name | 
                    Item Title | 
                                        Item | 
                    More Info. | 
                                    
                                            
                                 | D. Physiographic Features | 
                                                     D2 Climatic | 
                                Monthly mean temp. , precip.(1931, 1980); Water temp. monthly(1966-1986 and 1977-1986) | 
                    
eur-52-d2.xls
                            
                
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                                 | E. Water Quality | 
                                                     E2 pH | 
                                By depth (Nov-Mar, Apr-May, Jun-Oct. 1979-1983) | 
                    
eur-52-e2.xls
                            
                
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                                     E4 DO | 
                                By depth (Nov-Mar, Apr-May, Jun-Oct. 1979-1983) | 
                    
eur-52-e4.xls
                            
                
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                                     E5 COD | 
                                KMnO4, by depth (Nov-Mar, Apr-May, Jun-Oct. 1979-1983) | 
                    
eur-52-e5.xls
                            
                
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                                     E7 Nitrogen | 
                                T-N, NH4-N, NO3-N, by depth (Nov-Mar, Apr-May, Jun-Oct. 1979-1983) | 
                    
eur-52-e7.xls
                            
                
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                                     E8 Phosphorus | 
                                T-P and PO4-P, by depth (Nov-Mar, Apr-May, Jun-Oct. 1979-1983) | 
                    
eur-52-e8.xls
                            
                
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                                 | F. Biological Features | 
                                                     F3 Primary Production | 
                                Net, Dark resp. Gross (Aug. 1987) | 
                    
eur-52-f3.xls
                            
                
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                                     F4 Biomass | 
                                Monthly, by depth, phytoplankton (1988), zooplankton (1985) | 
                    
eur-52-f4.xls
                            
                
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                                 | G. Socio-economic Conditions | 
                                                     G1 Land Use | 
                                Natural, others | 
                    
eur-52-g1.xls
                            
                
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                                 | I. Deterioration and Hazards | 
                                                     I2 Toxic Contamination | 
                                Cu, Zn, Ni, Oil products, Detergents (1974, 1984) | 
                    
eur-52-i2.xls
                            
                
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