Appendix E 



Density distributions based on estimated age 



Reach 15 of the Upper Mississippi River 



Description 



Page 



Parti. Sylvan Slough (RM 485.8) 



Part II. Case-IH (RM 488.5) 



Part III. Illiniwek (RM 492.4) 



E-2 



Figure E-1 : Frequency histograms of density at age for selected unionid E-3 



species from Sylvan Slough (RM 485.8), 1994-95. 

 Table E-1 : Density distributions based on estimated age for selected E-4 



unionid species from Sylvan Slough (RM 485.8), 1994-95. 



Figure E-2 : Frequency histograms of density at age for selected unionid E-5 



species from Sylvan Slough (RM 485.8), 1987. 

 Table E-2 : Density distributions based on estimated age for selected E-6 



unionid species from Sylvan Slough (RM 485.8), 1987. 



E-7 



Figure E-3 : Frequency histograms of density at age for selected unionid E-8 



species from Case-IH (RM 488.5), 1994. 

 Table E-3 : Density distributions based on estimated age for selected E-9 



unionid species from Case-IH (RM 488.5), 1994 



Figure E-4 : Frequency histograms of density at age for selected unionid E-10 



species from Case-IH (RM 488.5), 1987. 

 Table E-4 : Density distributions based on estimated age for selected E-1 1 



unionid species from Case-IH (HM 488.5), 1987. 



E-12 



Figure E-5 : Frequency histograms of density at age for selected unionid E-1 3 



species from Illimwek (HM 492.4), 1994-95. 

 Table E-5 : Density distributions based on estimated age for selected E-1 4 



unionid species from Illiniwek (RM 492.4), 1994-95. 



Page E-1 



Vvliitnev et al., Unionid Sunev - Reach 15 UMR 



