Appendix A 



Unionid Species Richness and Abundance 



Reach 15 of the Upper Mississippi River 



Description Page 



Table A-l: Summai-y of quantitative unionid sampling in Reach 15 - A-2 



UMR. 



Table A-2 : Mean ± standard deviation (SD) and range of live unionid A-2 



densities (no./m") at three sites in Reach 15 - UMR. 



Table A-3 : Number of Unionid species collected in Reach 15 A-3 



(1983-1995). 



Table A-4 : Scientific and common names of unionid species collected in A-3 



Reach 15 (1983-93). 



Table A-5 : Ranked species lists for Reach 15 sites. A-4 



Table A-6 : Species summary for three sites in Reach 15, 1994-95. A-5 



Table A-7 : Statistical comparison of mean densities of unionids among A-6 



three sites in Reach 15, 1994-95. 



Table A-8 : Species summary for Sylvan Slougli (RM 485.8), 1983-95. A-7 



Table A-9 : Statistical comparison of mean densities of unionids at Sylvan A-8 



Slough (RM 485.8) between 1983-95. 



Table A-10 : Species summary for Case-IH (RM 488.5), 1985-94. A-9 



Table A-11 : Statistical comparison of mean densities of unionids at Case-IH A-10 



(RM 488.5) between 1985-94. 



Table A-12 : Statistical comparison of mean densities of unionids between A-11 



sites and years in Reach 15. 



Page A-l 



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



