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Table 2 SVL, SDI, and estimated ages of adult Rana sauteri at six altitudinal sites

From: Altitudinal variation in body size and age structure of the Sauter’s frog Rana sauteri in Taiwan

Sampling sites SVL (mm) SDI Mean age (year)
  Males n Females n   Males Females
330 m 43.85 ± 2.03 a 19 49.93 ± 3.01 18 0.139 2.32 ± 0.67 a 2.17 ± 0.71 a
630 m 42.02 ± 2.10 ab 26 50.09 ± 3.50 20 0.192 2.38 ± 0.80 a 2.25 ± 0.97 a
970 m 40.42 ± 2.29 bc 23 48.51 ± 3.09 17 0.200 2.30 ± 0.88 a 2.35 ± 1.00 ab
1,380 m 40.11 ± 2.68 c 28 51.17 ± 4.54 15 0.276 2.89 ± 1.10 ab 2.47 ± 1.19 ab
2,100 m 38.75 ± 1.51 cd 19 51.39 ± 3.26 8 0.326 3.37 ± 0.96 b 3.38 ± 1.06 ab
2,320 m 37.32 ± 2.03 d 47 50.91 ± 3.05 12 0.364 3.21 ± 0.83 b 3.75 ± 1.22 b
  F 5,156 = 32.62   F 5,84 = 1.37    H = 30.563 H = 18.48
  p < 0.001   p = 0.2439    p < 0.001 p = 0.0024
  1. Values in descending order are mean ± SD. The means of SVLs of the populations were analyzed with ANOVA followed by Bonferroni’s post hoc test. The median ages were compared with Kruskal-Wallis test followed by Dunnett’s post hoc test. Values sharing the same letters (a to d) were not significantly different (p > 0.05) with post hoc pairwise comparisons. SVL, snout-vent length; SDI, index of sexual size dimorphism; n, sample size.