20 65 



.North 

 Shore 



110 155 200 245 290 



Distance from north shore (m) 



Midlake 



South) 

 Shore? 



§ 5 



Months and years 



Figure 4-30. Distribution, in g/m^ (dry wt), of major 

 benthic groups from north shore to mid- 

 lake to south shore of a small lake in 

 southeastern Louisiana(Day et al. 1973). 



Figure 4-31. Monthly densities of benthic fauna from 

 August 1972 to April 1973 in south- 

 eastern Louisiana (Day et al. 1973). 



50- 



Oxjdized I Reduced 



(A 

 9 



o40- 

 o 



Q. 

 in 



e 

 6 30- 



3 

 C 



"eo 

 O 



O20- 



c 

 c 

 u 



e 



Q. 



10- 



^ 



I 



20 



Sediment 



40 



10 



30 

 depth 



50 



(cm) 



Figure 4-32. Relationship between sediment depth and relative number of benthic invertebrate species in the 

 nearshore Gulf waters of Georgia (Smith 1971). 



201 



