Lake Erie Rehabilitated: Controlling Cultural Eutrophication 1960s-1990s

List of Illustrations

List of Figures Figure i.1. Vollenweider’s total phosphorus loading and mean depth relationship 17 Figure 6.1. State of eutrophication for a number of lakes in Europe and North America 92 Figure 12.1. Estimates of phosphorus loading to Lake Erie versus time 215 Figure 15.1. Reported municipal phosphorus loadings to Lake Erie 265 Figure 15.2. Total phosphorus loadings to the Great Lakes (metric tons/year) 267 Figure 15.3. Spring mean total phosphorus trends for open lake, 1971‒1992 271 List of Tables Table 1.1. Permissible loading levels for total nitrogen and total phosphorus (biochemically active) (g/m2 . year) 18 Table 6.1. Input of total phosphorus to Lakes Erie and Ontario in 1967 99 Table 15.1. Trophic status of the Great Lakes 270 List of Maps Map 3.1. Lake Erie’s basins and bathymetry 40 ix Illustrations This page intentionally left blank ...