Table 3.

Microalgae diversity index. Lowercase letters indicate significant differences among conditions based on pairwise comparisons following a Kruskal-Wallis test (P value < 0.05). S, austral summer; W, austral winter; CO, coral rubble; SW, seawater; SD, sediments

Condition	Observed ASV	Chao1	Simpson	Shannon	Faith PD	Pielou evenness
S-CO	6.75 ± 2.87 (a)	0.74 ± 0.34 (a)	0.63 ± 0.24 (a)	0.61 ± 0.28 (a)	0.50 ± 0.18 (a)	6.75 ± 2.87 (a)
S-SD	8.17 ± 2.93 (a)	0.92 ± 0.37 (a)	0.82 ± 0.14 (a)	0.75 ± 0.12 (a)	0.60 ± 0.20 (a)	8.17 ± 2.93 (a)
W-CO	8.44 ± 3.05 (a)	0.95 ± 0.38 (a)	0.69 ± 0.10 (a)	0.70 ± 0.10 (a)	0.47 ± 0.14 (a)	8.44 ± 3.05 (a)
W-SW	9.50 ± 2.12 (a)	1.08 ± 0.27 (a)	0.65 ± 0.07 (a)	0.73 ± 0.06 (a)	0.39 ± 0.01 (a)	9.50 ± 2.12 (a)
W-SD	14.22 ± 19.06 (a)	1.32 ± 1.45 (a)	0.82 ± 0.18 (a)	0.74 ± 0.20 (a)	0.67 ± 0.20 (a)	10.78 ± 10.32 (a)