An International Journal of Ecology, Evolution and Environment
An International Journal of Ecology, Evolution and Environment
An International Journal of Ecology, Evolution and Environment
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344 THE AMERICAN MIDLAND NATURALIST 163(2)TABLE 4.—Observed <strong>and</strong> predicted shell lengths at internal annuli <strong>of</strong> Lemiox rimosus from the Clinch<strong>and</strong> Duck rivers. Number <strong>of</strong> individuals in parentheses is the sample size <strong>of</strong> back-calculated lengths-atagesInternalannulus (age) River SexNo. <strong>of</strong>individualsObserved length (mm)MeanRangePredictedlength (mm)Growthincrement(mm)0 Clinch Male 5 (5) 9.4 7.3–11.8 11.8 11.8Female 5 (5) 8.3 5.4–10.7 9.5 9.5Duck Male 5 (5) 8.2 6.0–10.4 8.8 8.8Female 5 (5) 7.7 6.5–10.1 8.2 8.21 Clinch Male 5 (5) 15.4 13.0–19.0 16.4 4.6Female 5 (5) 17.0 14.6–18.5 16.0 6.5Duck Male 5 (5) 18.3 15.7–20.1 19.1 10.3Female 5 (5) 18.2 14.0–23.1 18.1 9.92 Clinch Male 5 (5) 22.4 20.2–25.1 20.6 4.2Female 5 (5) 22.2 19.7–24.1 20.9 4.9Duck Male 5 (3) 29.2 23.5–36.3 27.1 8.0Female 6 (5) 25.9 21.7–28.7 24.7 6.63 Clinch Male 5 (5) 27.2 23.3–29.4 24.6 4.0Female 5 (4) 25.2 23.1–27.0 24.5 3.6Duck Male 5 (5) 33.7 30.2–35.8 33.5 6.4Female 6 (5) 30.3 27.2–32.5 29.2 4.54 Clinch Male 5 (2) 31.0 28.5–33.0 28.3 3.7Female 5 (4) 27.5 26.0–30.4 27.2 2.7Duck Male 5 (4) 39.9 36.0–43.9 38.4 4.9Female 6 (5) 31.7 29.8–34.4 32.2 3.05 Clinch Male 5 (2) 32.1 30.0–35.4 31.8 3.5Female 5 (3) 27.5 26.6–28.2 29.2 2.0Duck Male 5 (4) 41.9 38.2–45.2 42.3 3.9Female 5 (5) 32.8 31.0–35.4 34.1 1.96 Clinch Male 5 (5) 37.2 35.5–39.0 35.0 3.2Female 3 (2) 29.1 28.1–29.7 30.6 1.4Duck Male 5 (4) 43.7 38.4–47.6 45.3 3.0Female 5 (4) 34.1 31.6–36.9 35.5 1.47 Clinch Male 5 (1) 36.0 35.0–37.0 38.0 3.0Female 3 (2) 30.3 29.5–30.8 31.7 1.1Duck Male 7 (0) 45.6 43.5–48.6 47.7 2.4Female 5 (4) 35.5 34.3–37.1 36.4 0.98 Clinch Male 5 (0) 37.5 32.9–40.0 40.7 2.7Female 4 (2) 33.1 30.8–38 32.5 0.8Duck Male 6 (0) 49.6 44.9–53.8 49.5 1.8Female 6 (3) 36.5 35.3–38.4 37.0 0.69 Clinch Male 7 (0) 40.0 33–44 43.3 2.6Female 2 (1) 30.6 30.5–30.8 33.2 0.7Duck Male 8 (8) 52.8 45.6–59.4 51.0 1.5Female 4 (3) 37.3 36.2–39.1 37.4 0.410 Clinch Male 4 (0) 42.5 40.0–47.0 45.7 2.4Female 1 (1) 34.5 34.5 33.6 0.4Duck Male 7 (0) 50.7 46.9–55.3 52.1 1.1Female 3 (2) 39.4 36.5–43.8 37.6 0.211 Clinch Male 4 (2) 49.2 46.0–53.0 47.9 2.2Female 1 (0) 35.2 35.2 33.9 0.3
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