Fig. 3
From: Historical contingency and productivity effects on food-chain length

The abundance ratio of Blepharisma/Tetrahymena on different productivity from 0.1 to 0.78 and sequence treatments (named in Table 1, N = 5 for each treatment). The boxes mean ± quartiles with median (point), and the bars indicate ± 1.5× quartiles (N = 5)