Appendix B 



Calculated number of samples required to estimate 

 actual density within specified level (%) 



Reach 15 of the Upper Mississippi Rrver 



Description 



Page 



Table B-1 : Calculated number of samples required to estimate unionid B-2 



density at three sites in Reach 15 (UMR). 



(1.) Sylvan Slough (RM 485.8) 1983-1995 

 (2.) Case-IH(RM 488.5) 1985-1994 

 (3.) Illinivvek(RM 492.4) 1994-95 



Table B-2 : Calculated number of samples required to estimate unionid B-3 



species density at Sylvan Slough (RM 485 .8) m (a) 1 994-95 and 

 (b)1985. 



Table B-3 : Calculated number of samples required to estimate unionid B-4 



species density at Case-IH (RM 488.5) m (a) 1994 and (b) 

 1985. 



Table B-4 : Calculated number of samples required to estimate unionid B-5 



species density at IlUniwek (RM 492.4) in 1994-95. 



Page B-1 



Whitney et al., Unionid Survey - Reach 15 UMR 



