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. 2016 Jun 7;7:11833. doi: 10.1038/ncomms11833

Figure 4. Effects of nutrient pollution and parrotfish predation on coral mortality and microbiology.

Figure 4

(a) Mortality after predation on Porites corals in control or nutrient pollution plots. P values reflect Fisher's exact test. (b) Effects of predation on the relative abundance of Proteobacteria and Cyanobacteria in Porites corals in control or nutrient pollution plots. Parrotfish predation columns (in red) reflect samples taken after the first evidence of parrotfish predation. Error bars in b reflect the 95% CI of the ratio. P values are from non-parametric t-tests.