Figure 2
From: Nutrient Loading Fosters Seagrass Productivity Under Ocean Acidification

Mean content (μmol/g, +SE, n = 12) of (A) chlorophyll a, (B) chlorophyll b and (C) carotenoids at different combinations of pH (ambient and low pH) and nutrient enrichment (control, moderate, high). Different lower case letters indicate significant differences between pH treatments.