. A Comprehensive Evaluation of Three Mussel Beds in Reach 15 of the Upper Mississippi River. [electronic resource]. Biology; Ecology; Mussels; Ecology; Data processing; Density; Management; Monitoring; Recruiting; Sampling; Mississippi river; Low rate; Aquatic biology; Growth(physiology). Figure H-2. Zebra mussel infestation of native unionids at two sites in Reach 15 of the Upper Mississippi River from July 1994 through September 1995. (a) % Infestation refers to the number of unionids with one or more attached zebra mussels, (b) Degree of Infestation refers to the number of attached zebra m
. A Comprehensive Evaluation of Three Mussel Beds in Reach 15 of the Upper Mississippi River. [electronic resource]. Biology; Ecology; Mussels; Ecology; Data processing; Density; Management; Monitoring; Recruiting; Sampling; Mississippi river; Low rate; Aquatic biology; Growth(physiology). Figure H-2. Zebra mussel infestation of native unionids at two sites in Reach 15 of the Upper Mississippi River from July 1994 through September 1995. (a) % Infestation refers to the number of unionids with one or more attached zebra mussels, (b) Degree of Infestation refers to the number of attached zebra mussels on each July •94 \ug. Dec. July '94 -94 '95 Sampling Date %'^' Page H-5 Whitney et al., Unionid Survey - Reach 15 UMR. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Whitney, Scott D; Blodgett, K D; Sparks, Richard E; ILLINOIS NATURAL HISTORY SURVEY HAVANARIVER RESEARCH LAB. Ft. Belvoir Defense Technical Information Center
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