Table 1.
Morphometric characteristics and stable isotope ratios of white sucker collected Spring 2011 within the St. Louis area of concern (AOC)
| Site | Sample sizeA | AgeB (years) | Length (mm) | Weight (gm) | δ13C (%) | δ15N (%) |
|---|---|---|---|---|---|---|
| Site CC | 50 | 7.3 ± 2.3a | 395.8 ± 65.1a | 678.9 ± 209.1a | −23.2 ± 3.0a | 9.0 ± 1.4a |
| Site ABC | 50 | 8.6 ± 2.5b | 412.2 ± 36.5ab | 756.9 ± 212.8a | −23.5 ± 2.9a | 8.6 ± 1.7a |
| Site DC | 50 (49) | 8.8 ± 2.8b | 430.0 ± 42.5b | 959.6 ± 334.6b | −23.8 ± 3.6a | 8.5 ± 1.5a |
| Site EC | 50 (49) | 8.1 ± 1.9ab | 430.8 ± 36.2b | 900.9 ± 231.5b | 30.7 ± 1.4b | 10.2 ± 1.0b |
ANumber in parentheses are sample sizes for stable isotope ratios
BData presented as mean ± SD. Values within a column followed by the same letter are not significantly different
CSite C = Superior Bay, site AB = St. Louis Bay, site D = upper estuary and site E = upper AOC