4-28 Percentage composition by taxa of invertebrates on sand 



beaches in Maine (Larsen and Doggett, in preparation ) .... 4-89 



4-29 Geographic distribution of site groups sampled on 



the coast of Maine (Larsen and Doggett, in press ) 4-90 



4-30 Distribution of a typical marine intertidal invertebrate 

 community in moderately exposed New England sand beaches 

 during winter and summer (from Crocker et al. 1975) 4-98 



4-31 Relations among the major biotic components of the sand 



beach class (adapted from Odum et al. 1974) 4-99 



5-1 The major estuarine systems in region 1 of the characterization 

 area as listed in table 5-1 and as delineated by the National 

 Wetlands Inventory (Cowardin et al. 1979) 5-4 



5-2 The major estuarine systems in region 2 of the characterization 

 area as listed in table 5-1 and as delineated by the National 

 Wetlands Inventory (Cowardin et al. 1979) 5-5 



5-3 The major estuarine systems in region 3 of the characterization 

 area as listed in table 5-1 and as delineated by the National 

 Wetlands Inventory (Cowardin et al. 1979) 5-6 



5-4 The major estuarine systems in region 4 of the characterization 

 area as listed in table 5-1 and as delineated by the National 

 Wetlands Inventory (Cowardin et al. 1979) 5-7 



5-5 The major estuarine systems in region 5 of the characterization 

 area as listed in table 5-1 and as delineated by the National 

 Wetlands Inventory (Cowardin et al. 1979) 5-8 



5-6 The major estuarine systems in region 6 of the characterization 

 area as listed in table 5-1 and as delineated by the National 

 Wetlands Inventory (Cowardin et al. 1979) 5-9 



5-7 Hierarchical classification of the estuarine system 



of coastal Maine (Cowardin et al. 1979) 5-10 



5-8 Size distribution of sediment particles in estuarine 

 habitats of coastal Maine. Dots indicate dominant 

 size, arrows indicate range 5-14 



5-9 Cross-sectional diagrams of generalized estuarine 



types found in coastal Maine 5-19 



xxi 



10-80 



