Fig. 3.

Predicted trematode burden at metamorphosis for a green frog (Rana clamitans) tadpole hatched on a given date, based on a model incorporating seasonal exposure and using a degree-day model to estimate time to metamorphosis (ESM Fig. S-5). The model output using the Beaver 1 pond temperature profile (0°C) is indicated by a bold solid line, and narrower (solid, dashed or dotted) lines indicate model outputs given simulated warming (+1 to +6°C) or cooling (−1 to −3°C). Gray shading indicates the period outside the known green frog breeding season, when green frog tadpoles are unlikely to hatch because hatching occurs 3–6 days after breeding (Schalk et al. 2002)