Supplementary Figure 3 from <i>In situ</i> developmental responses of tropical sea urchin embryos to ocean acidification conditions at naturally elevated <i>p</i>CO<sub>2</sub> vent sites

Reduced growth of the postoral arm in echinoplutei in response to changes in experimental pH. The solid line is the regression line, and shaded area is 95% confidence interval. Colours represent regional location of species, with the blue data points from the present study, and represent reduction in growth as a function of <i>in situ</i> in out-plants. Percentage growth reduction (natural log transformed for curve=its) was back transformed for graphic representation. These data did not contribute the line and 95% confidence intervals. Figure adapted from Byrne et al. 2013a with permission of the authors