. 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 G-4. Growth curves based on the average observed size at age (Table G-8) o^Qiiadnilapustulosa collected from Reach 15 of the Upper Mississippi River in (a) 1994-95 and (b) 1987. All growth curves were best described by a polynomial regression formula (Table G-4). Coefficient of determination (r^) valu
. 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 G-4. Growth curves based on the average observed size at age (Table G-8) o^Qiiadnilapustulosa collected from Reach 15 of the Upper Mississippi River in (a) 1994-95 and (b) 1987. All growth curves were best described by a polynomial regression formula (Table G-4). Coefficient of determination (r^) values for each growth curve are listed. Minimum commercial' shell height (Illinois) and average age at sexual maturity (Table G-2) are also shown. 110 100 90 80 70 60 50 40 30 20 10 0 -J-Length (1^ = ); -q'Height (r^ = ); \ Width (i^= ) (a) 1994-95 â Minimum size limit - 3^ ^ «r^r^ -^-«t5W*^*^' '&' . , r*^ %^ yC ::...â 'â ---'- â ⢠- ⢠- - Avg. age at maturity '''!'''!''' ''!''' r r ' T yT T T J T T T 8 12 16 20 24 28 32 36 Estimated age (yrs.) Length (r^ = ); â¢5'Height (r^ = ); V Width (r^ = ). 8 12 16 20 24 28 32 36 Estimated age (yrs.) Page G-26 Whitney et Unionid Sunev - 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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