Table 3

Asymptotic (AS) carapace length (CL; mm) and age of western pond turtles (Actinemys) from Gorman Pond, Los Angeles County, California, USA, at three carapace lengths (mm) of turtles after a period of low rainfall (2017, 2019, 2020, 2023) and before low water levels (2007, 2010) based on Richards' growth curves for these time periods. Also shown are the times required to grow from 10–90% of asymptotic size (G) in years.

Age (years)

Years AS (mm) 80 (mm) 120 (mm) 150 (mm) G (y)
2017, 2019 151.3 4.62 7.70 15.88 11.47
2020, 2023 155.4 2.72 6.77 17.05 11.67
2017–2023 154.1 3.59 7.75 17.09 13.71
2007/2010 171.2 1.87 4.43 7.92 10.11

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