Figure 4

Influence of temperature and pH on Argopecten purpuratus shell properties: (a–c) Shell density (mean ± SE) (determined by Micro-CT) at three different regions of the shell; (d) micro-hardness (determined by micro-indentation) at the shell growth edge. Different letters in (a) represent significant differences among treatments using a post hoc Tukey HSD. Posteriori test was not performed in (a–c,e) because the interaction of random with fixed effects.