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Does a lack of juveniles indicate a threat? Understanding body size distributions in a group of long-lived vertebrates
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Does a lack of juveniles indicate a threat? Understanding body size distributions in a group of long-lived vertebrates

Donald McKnight, Deborah Bower, Ellen Ariel, Stephen Beatty, Simon Clulow, Marilyn Connell, Annette Deppe, Jeremiah Doody, Alastair Freeman, Arthur Georges, …
Dryad
28/05/2025
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Dataset5.66 MBDownloadView
Open Access

Abstract

age Chelonia chelonian Conservation Declines FOS: Biological sciences Methods Sample size Turtles
This data set contains size and/or sex data from 41,021 freshwater turtles from 38 species and 428 populations located in parts of Australia both with and without introduced foxes, as well as populations in the United States of America, which naturally have raccoons (Procyon lotor), foxes, and other nest predators. The goal was to examine population-level body size distributions to establish a baseline for “typical” turtle populations and test whether populations that are exposed to introduced foxes have proportionately fewer juveniles compared to both AU populations that lack introduced foxes and USA populations that are naturally exposed to nest predators. We additionally conducted analyses on the biases of trapping methods, effects of sample size, and effects of water body type. This data set was assembled by pooling the data from numerous researchers.

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