Part I. 



Summary tables on age and growth of unionid mussels 

 from Reach 15 of the Upper Mississippi River. 



Description 



Page 



Table G-1 : Number of years to reach minimum G-3 



commercial size. 



Table G-2 : Number of years to reach sexual maturity. G-3 



Table G-3 : Formulas to calculate unionid age from shell G-4 



length or height. 



Table G-4 : Formulas to calculate morphological shell G-5 



measurements from unionid age. 



Table G-5 : Illiniwek (RM 492.4) - regression parameters of G-6 

 morphological shell measurements. 



Table G-6 : Sylvan Slough (RM 485.8) - regression G-7 



parameters of morphological shell measurements. 



Table G-7 : Formulas to calculate (a) live weight and (b) G-8 



dry shell weight from shell length or height. 



Table G-8 : Estimated abundance and weight of G-9 



commercially sized A. plicata and h4. nervosa. 



Page G-2 



Whitney et al., Unionid Survey - Reach 15 UMR 



