Figure Page 



29. The relationship between species per station and 



mean grain size 82 



30. The relationship between species per station and 



sediment organic carbon 83 



31. The distribution of macrobenthic H' diversity in 



Casco Bay , Maine 84 



32. The relationship of H' diversity and bottom 



depth 87 



33. The relationship of H' diversity and mean 



grain size 88 



34. The relationship of H' diversity and sediment 



organic carbon 89 



35. Dendrogram of hierarchical classification 



of stations in Casco Bay, Maine. Lower numbers 

 refer to station numbers. Numbers on branches 

 refer to site-groups 92 



36. Distribution of site-groups in Casco Bay 93 



37. Dendrogram of hierarchical classification of 



species data. Letters refer to species-groups 95 



38. Constancy of species-groups at site-groups 101 



39. Fidelity of species-groups to site-groups 102 



IX 



