| Category | 
                    Item Name | 
                    Item Title | 
                                        Item | 
                    More Info. | 
                                    
                                            
                                 | D. Physiographic Features | 
                                                     D1 Geographical | 
                                Bathymetric map | 
                    
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                                 | E. Water Quality | 
                                                     E1 Transparency | 
                                Seasonal Secchi disc transparency, monthly (1972-1973) | 
                    
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                                     E6 Chlorophyll | 
                                Chlorophyll-a and phaeo pigments, by season (1972-1973) | 
                    
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                                     E7 Nitrogen | 
                                NO3-N, monthly (1972-1973) | 
                    
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                                     E8 Phosphorus | 
                                TP, monthly (1972-1973) | 
                    
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                                 | F. Biological Features | 
                                                     F4 Biomass | 
                                Seasonal changes in zooplankton biomass (1972-1973) | 
                    
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                        Seasonal distribution of phytoplankton biomass  (1972-1973) | 
                    
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                                 | I. Deterioration and Hazards | 
                                                     I3 Eutrophication | 
                                Nitrogen loadings | 
                    
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