Part I. 



Sylvan Slough (RM 485.8) 



Description Page 



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 Slougli (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. 



Species: Scientific - Common (Abbreviation) 

 Amblema pUcata - Threeridge (AmPl) 



Megalonaias mimosa - Washboard (MeNe) 



Quadnda quadnda - Mapleleaf (QuQu) 



Ouadnda metanevra - Monkeyface (QuMe) 



Quadnda pustulosa - Pimpleback (QuPu) 



Ellipsaria lineolata - Butterfly (ElLi)^ 



Obliqiiaria reflexa - Threehom (ObRe)^ 



' - were not aged in 1994-95 survey, age calculated from shell length using age/length regression 

 equations from 1987. 



Page E-2 



Whitnev et al., Unionid Sun'ev - Reach 15 UMR 



