0.1 I 10 100 1000 

 MEAN DEPTH (METERS)/ MEAN HYDRAULIC RETENTION TIME (YEARS) 



Figure 3. The relationship between total phosphorus loading, 

 lake morphometry, and lake trophic condition for selected 

 phosphorus-limited lakes in the Northeastern United States. 



Q 

 < 

 O 



to 



=> 

 CC 

 O 

 X 

 Q. 



X 

 Q. 



I 



1000.0 



100.0 



10.0 



"E i.o 



M 



^ 0.1 



I I II 1 1 II 



0.01 I 



EUTROPHIC 



J i i i i nil 



1 



0.1 1.0 10 100 1000 



MEAN DEPTH (METERS)/ MEAN HYDRAULIC RETENTION TIME (YEARS) 



Figure 4. The relationship between total phosphorus loading, 

 lake morphometry, and lake trophic condition for selected 

 nitrogen-limited lakes in the Northeastern United States. 



94 



