Figure 2From: Temporal response of the tiger salamander (Ambystoma tigrinum) to 3,000 years of climatic variationAmbystoma tigrinum Body Size Index (BSI) for paedomorphic (dark bars) and terrestrial adults (light bars) in time intervals. Error bars represent one standard deviation around mean. Bracket indicates significance when intervals D and E are pooled together. (* is p < .01 and ** is p < .002).Back to article page