A Comprehensive Evaluation of Three Mussel Beds in Reach 15 of the Upper Mississippi River

Issued as "Long Term Resource Monitoring Reprint 97-R022." (Appendix A is the actual INHS technical report, and was issued August 1996.) Appendix A-Unionid species richness and abundance; Appendix B-Calculated number of samples required to estimate actual density within specified level (%); Appendix C-Density distributions based on shell lenght; Appendix D-Density distributions based on shell height; Appendix E-Density distributions based on mussel age; Appendix F-Unionid mussel recruitment; Appendix G-Commercial species age and growth; Appendix H-Zebra mussels (Dreissena polymorpha). Reprinted by the U.S. Geological Survey in October 1997 and released as LTRMP 97-R022. NOTE: There is a second Center for Aquatic Ecology report numbered as 1996(7); reports appear unrelated, and duplicate numbering probably an error.INHS Technical Report prepared for Illinois Department of Natural Resource