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. 2011 Dec 21;6(12):e28444. doi: 10.1371/journal.pone.0028444

Figure 1. Occurrence of Bd in lowland leopard frogs as a function of water temperature.

Figure 1

A) Presence (1) and absence (0) of Batrachochytrium dendrobatidis (Bd) in lowland leopard frogs Rana (Lithobates) yavapaiensis as a function of water temperature across all years and sites. N = 50 Bd+ individuals and N = 151 Bd−. B) Occurrence of Bd in lowland leopard frogs as a function of water temperature, excluding four sites where Bd was not detected (see Table 1 for details). Each point represents the fraction of frogs infected and mean water temperature of groups of 10–12 individuals (ranked by water temperature, then binned). Logistic equation: y = 1/(1+e−z) where z = 4.56 - temp*0.226 (coefficients extracted from univariate analysis). Total sample size from sites with Bd, N = 148.