SUBTIDAL ENVIRONMENTS AND ECOLOGY 



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Fig. 2 Enewetak deep lasoon soft bottom communities. Bar equals approximately 1 m. a, Algal film community photographed 

 by vertical benthic camera. Considerable bioturbation (pale splotches) is visible in this photograph (56 m depth); b, Algal flat com- 

 munity, vertical l)€nthic camera, dominated by species of Halimeda (51 m depth); c. Algal flat community dominated by mixed 

 macroalgae, vertical benthic camera (55 m depth); d. Algal flat community at 57 m depth, central lagoon, dominated by mixed 

 macroalgae, with small Halimeda sp. thalli. Some mounds produced by bioturbation are visible (diver photograph); e, Same gen- 

 eral area as above with sponges (dark objects near center), Halimeda sand and abundant macroalgae visible, 57 m depth (diver 

 photograph): f. Near vertical view of area of Fig. 2d and 2e, 57 m depth. Significant bioturbation is evident in this diver photo- 

 graph. [Figures from Colin, 1986.] 



