ECOLOGICAL CROSS SECTION OF THE MISSISSIPPI 



233 





SOU RI 





ILLINOI S 





Bluff 



1 



i Lowland 





River 



Lowland 



' Bluff 



1 



upland 



15 



16 



17 



5 



18 



19 



11 



12 



12 



20 



21 



22 



23 

 1 



26 25 



14 



ll[l2 



12 



11 



18 



24 



t 

 16 



15 



14 12 



7 



6 



X 







1 



1 

 1 













1 

 1 

 1 





Fr 



S 













1 



X 



1 



X 









1 

 1 





1 



1 



X 





X 











2 







Fr 



Ak 



s 



X 













X 









n 



1 



X 





i 



1 



1 

 1 



X 



X 





X 











3 



, 4 







X 



Fr 

 Fr 



s 



X 



o 



Ag 









1 



X 





X 

 X 









± 



+ 



+ 



1 

 1 



± 



± 



+ 





± 



di 



± 







5 









Fr 



+ 



1 



Ag 



± 



o 



± 







zb 



± 





± 



+ 



± 



± 



± 



'± 





± 



± 



± 







6 









Fr 



+ 



± 



Ag 



± 







± 







zb 



zb 





X 



X 



1 

 1 



1 

 1 



+ 



1 

 1 



+ 

 + 



1 



1 



■ 



t 



! 



1 

 1 







7 



8 



9 



10 



11 









Fr 



Fr 

 Fr 

 Fr 

 Fr 



s 



s 



s 



Je 

 Je 



O 



o 

 o 



s 

 s 



1 

 1 





1 



X 



F 



X 





X 

 X 



1 





± 



1 



X 



1 





1 



i 



1 

 1 



1 



1 

 1 

 1 



1 



1 



1 

 1 



1 

 1 

 i 









1 



1 



1 

 1 







X 



1 



1 

 1 



12 

 13 

 14 

 15 

 16 

 17 

 18 







X 



Fr 

 1^'r 

 Fr 

 Fr 

 Fr 

 Fr 

 Fr 



S 



Je 



Ag 

 Ag 

 S 

 O 



s 



o 

 Jl 



s 

 o 



o 



1 





1 

 1 



1 

 1 



1 



F 



X 



lb 



± 



X 



+ 



± 



zb 





1 



X 



X 







X 



1 

 1 



1 







X 











19 



20 







Fr 



Fr 



S 



Ag 







s 



X 



i 



X 





X 





X 



X 





X 





^ H 





X 



X 

















21 



1 







Fr 



S 



o 



X 





X 



J 



t 





' X 



X 









r 







f 



1 





± 



1 



± 



+ 









22 

 23 



24 



1 



± 



dz 



Fr 



Fr 



di 

 ± 

 ± 



+ 



± 

 ± 



Fr 

 Je 

 Jl 



± 

 Jl 



Ag 



My 



Je 









1 

 ] 









± 







± 



± 















25 





i 



1 



Fr 



s 









+ 



± 





-f 



















± 





± 







26 





1 





± 



± 



Fr 



± 



S 









































27 









Fr 



s 



O 













+ 















' X 



X 















28 







Fr 



S 







X 





X 

















X 



X 



X 









1 



1 













29 

 30 

 31 





X 





Fr 



Fr 

 Fr 



s 



X 



s 



o 



X 

 



S 



o 





X 



X 



X 











W T 





















. 



32 









Fr 



s 















■ 





X 























1 







33 









Ft 



1 



s 



















X 



1 































34 









Fr 



s 



o 















X 





- 





















1 







35 









Fr 



s 











■ 







X 





X 







1 





1 











1 

 1 





36 









Fr 



s 



o 













X 



X 







■ 



1 

 1 







X 



X 







* 



1 

 1 







37 

 38 



■ 





Fr 



S 



Fr 



o 



o 



X 



N 



1 



X 









X 



X 



X ' 





X 











' 











1 

 1 

 1 





39 

 40 



1 

 1 



1 



Fr 



Fr 

 Jl 



s 

 s 







± 







1 





X 







zb 

























41 



1 

 1 





Fr 



Jl 



s 



zb 











1 





± 





i 



+ 



± 



± 



± 



± 





db 



± 









42 

 43 







Fr 



Mr 

 Fr 



± 



Ag 



± 

 s 



o 



+ 



X 



+ 



± 







+ 



± 





± 

















X 



X 







44 



45 

 46 



47 



X 







Fr 

 Fr 

 Fr 



X 



Ag 

 X 



s 



X 



s 



s 



X 

 Fr 



o 

 o 

 s 



o 





X 



lb 



1 



X 

 X 





± 









± 





± 



± 





± 



± 









48 









± 



± 



Fr 



s 



o 









± 



-f- 



± 

















± 









J 



49 







Fr 



± 



± 



± 



± 



Ag 



D 











X 



























50 









Fr 



Ag 



D 

















zb 

























51 





* 



* 



* 



Fr 



S 



* N 

















