- Data from: Seasonality determines patterns of growth and age structure over a geographic gradient in an ectothermic vertebrate(2020-05-12) Merilä, Juha; Hjernquist, Mårten B.; Söderman, Fredrik; Jönsson, K. Ingemar; Herczeg, Gábor; Laurila, Anssi; University of Helsinki - Merilä, Juha; Uppsala University - Hjernquist, Mårten B.; Uppsala Innovation Centre - Söderman, Fredrik; Kristianstad University - Jönsson, K. Ingemar; University of Helsinki - Herczeg, Gábor; Uppsala University - Laurila, Anssi