Figure Page 



15. The distribution of copper (ppm dry weight) in 



the surficial sediments of Casco Bay, Maine 38 



16. The distribution of lead (ppm dry weight) in 



the surficial sediments of Casco Bay, Maine 40 



17. The distribution of nickel (ppm dry weight) in 



the surficial sediments of Casco Bay, Maine 42 



18. The distribution of zinc (ppm dry weight) in 



the surficial sediments of Casco Bay, Maine 45 



2 



19. Distribution of density (individuals/m ) of 



macrobenthos in Casco Bay, Maine 63 



20. The relationship between density and bottom depth 66 



21. The relationship between density and mean 



grain size 67 



22. Distribution of biomass (grams wet weight per 



2 

 0.1m ) of macrobenthos in Casco Bay, Maine 70 



23. Relative proportion of biomass of major faunal 

 components in Casco Bay 72 



24. The relationship between biomass and bottom depth 75 



25. The relationship between biomass and mean 



grain size 76 



26. The relationship between biomass and organic 



carbon content of the sediments 77 



27. The distribution of number of species per station 

 throughout Casco Bay 79 



28. The relationship between species per station and 



bottom depth 81 



VJ.11 



