The demography of a painted turtle Chrysemys picta picta X C. p. marginata population from a eutrophic habitat was examined at a wetland site in south-central Pennsylvania (USA) during 2011–2019. Males reached sexual maturity at 90 mm carapace length (CL) in half the time taken, but at the same size, as painted turtles studied elsewhere in the north-eastern portion of the United States. Females matured at 130 mm CL at our site, which was larger and began at an earlier age than conspecifics. Our data corroborate findings of faster growth in C. picta juveniles resulting in earlier maturity at body sizes equal to or larger than slower growing juveniles. Our results also conform to previous findings linking wetlands altered by added nutrient input to increased growth patterns of their resident painted turtle population. Rapid growth rates for aquatic turtles are likely to become more common globally as urbanisation continues to expand and alter wetland habitats.

Meshaka, Jr., Walter E., Eugene Wingert, Daren Riedle, Scott Boback, and Daniel F. Hughes. Demography of a Painted Turtle Intergrade (Chrysemys picta picta X C. p. marginata) Population from an Altered Wetland. The Herpetological Journal 33, no. 1 (2023): 14-24. https://www.thebhs.org/publications/the-herpetological-journal/volume-33-number-1-january-2023/3734-03-demography-of-a-painted-turtle-intergrade-i-chrysemys-picta-picta-i-x-i-c-p-marginata-i-population-from-an-altered-wetland?highlight=WyJkZW1vZ3JhcGh5Iiwib2YiLCJhIiwiJ2EiLCJwYWludGVkIiwidHVydGxlIiwiZGVtb2dyYXBoeSBvZiIsImRlbW9ncmFwaHkgb2YgYSIsIm9mIGEiLCJvZiBhIHBhaW50ZWQiLCJhIHBhaW50ZWQiLCJhIHBhaW50ZWQgdHVydGxlIiwicGFpbnRlZCB0dXJ0bGUiXQ==

Eugene Wingert is an Adjunct Faculty in Biology at Dickinson College.

Scott Boback is a professor of Biology at Dickinson College.

For more information on the published version, visit British Herpetological Society's Website. https://www.thebhs.org/publications/the-herpetological-journal/volume-33-number-1-january-2023/3734-03-demography-of-a-painted-turtle-intergrade-i-chrysemys-picta-picta-i-x-i-c-p-marginata-i-population-from-an-altered-wetland?highlight=WyJkZW1vZ3JhcGh5Iiwib2YiLCJhIiwiJ2EiLCJwYWludGVkIiwidHVydGxlIiwiZGVtb2dyYXBoeSBvZiIsImRlbW9ncmFwaHkgb2YgYSIsIm9mIGEiLCJvZiBhIHBhaW50ZWQiLCJhIHBhaW50ZWQiLCJhIHBhaW50ZWQgdHVydGxlIiwicGFpbnRlZCB0dXJ0bGUiXQ==

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