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. 2024 Mar 18;14(3):e11160. doi: 10.1002/ece3.11160

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© 2024 The Authors. Ecology and Evolution published by John Wiley & Sons Ltd.

This is an open access article under the terms of the http://creativecommons.org/licenses/by/4.0/ License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.

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(a) Age, (b) Harrison (1969) stage, and (c) mass at hatching for embryos of ringed (Ambystoma annulatum) and marbled (A. opacum) from six sites in Arkansas. Ringed salamander embryos were collected from Baxter County (Bax), Franklin County (Fra), Madison County (Mad), and Washington County (Was). Marbled salamander embryos were collected from Pulaski County (Pul15 and Pul19), Pope County (Pop), and Phillips County (StF). The two boxplots for Pulaski County represent two days of collection. Embryos from air and water treatments are combined within a site.