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Figure 1

From: Global assessment of coralline algae mineralogy points to high vulnerability of Southwestern Atlantic reefs and rhodolith beds to ocean acidification

Figure 1

Bright field optical microscopy of the three samples from the three different families of the order Corallinales (Corallinaceae (A); Hapalidiaceae (B); and Sporolithaceae (C)). Bright field image overlaid Raman mapping indicates the same pattern from the three samples, with high-Mg calcite in the internal cell walls and aragonite as a “shell” close to the cell membrane (green: high-Mg calcite; red: aragonite). Scale bars: 20 µm.

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