Appendix H 



Zebra Mussels (Dreissena polymorpha) 



Reach 15 of the Upper Mississippi Ri>er 



Description 



Page 



Table H-1 : Summary of quantitative sampling for zebra mussels at 



three sites in Reach 15 of the Upper Mississippi River, 

 1994-95. 



H-2 



Figure H-1 : Length frequency histograms of zebra mussels collected at H-3 



Illinivvek study site (RM 492.4), 1994-95. 



Table H-2 : Population size structure of zebra mussels collected at H-4 



Illiniwek study site (RM 492.4), 1994-95. 



Figure H-2 : Zebra mussel infestation of native unionids at two sites in H-5 



Reach 15 of the Upper Mississippi River, 1994-95. 



Table H-3 : Zebra mussel infestation of native mussel species at Sylvan 



Slough study site (RM 485.8), 1994-95. 



H-6 



Table H-4 : Zebra mussel infestation of native mussel species at 



llhniwek study site (RM 492.4), 1994-95. 



H-7 



Page H-1 



Whitnev et al , Unionid Sun'ev - Reach 1 5 UMR 



