3.2 Lizard body size relationship with resource availability and seasonality across altitudes
We found that the geographical pattern in the body size of female lizards is significantly related to changes in net primary productivity across altitude (Table 3). Specifically, we found that less seasonal precipitation and limited available resources that characterized environments at higher altitudes were associated with reduced body size (Fig. 3a; Table 3). Although seasonal temperature changes were apparent along altitudes (Fig. 3b), there was no significant relationship between seasonal temperatures and body size (𝝌2 = 0.068,p = 0.955).