Composition and Distribution of Macrobenthic Invertebrate Fauna 



117 



13 



Z w 

 E 150 



□ NUMBER 

 ■ WEIGHT 



1 



Jo 



Su. 



o o 



Z or 



«o 2* 

 u ui 



60 K 



ORAVEL TILL SHELL SAND SAND- SILT- 



SILT CLAY 



BOTTOM SEDIMENTS 



Figure 102 



Density and biomass of Mollusca in relation to bottom sediments. 



