Figure 2 From: Streambed microstructure predicts evolution of development and life history mode in the plethodontid salamander Eurycea tynerensis Phylogeny and size distribution of substrate samples. Bayesian phylogeny of 22 populations of E. tynerensis. Topology is based on a majority rule consensus of 50,000 trees (5 × 106 generations sampled every 100 generations). Branch lengths were averaged across 50,000 trees. Posterior probabilities indicate node support, and only those ≥ 50% are shown. Histograms show proportions of substrate in each size class for each locality. Boundaries of the three size categories: sand and granule (0 to <2 mm), small/medium gravel (>2 to < 12 mm) and large gravel (≥ 12 mm) are indicated with dotted lines.Back to article page