10 



. b) Epibenthic Algae 



CM 



I 



E 

 ° 5 



CO 

 CO 



o 



z 



< 



i- 

 co 







20 



10 







J I L. 



J L. 



J I L 



J i_ 



c) Epiphytes 



d) Submerged Aquatic Vegetation 



JFMAMJJASONDJ 



Figure 4. Calibration simulations from autotroph ecosystem submodel (fig. 3) for 

 standing stocks of a) phytoplankton, b) epibenthic algae, c) epiphytes, 

 and d) submerged aquatic vegetation. Data are taken from Kemp et al. 

 (1981). 



142 





