Table 1.
Summary statistics for alpha diversity indices of 16S rRNA gene amplicon sequences for microbial communities associated with Acropora gemmifera, Acropora muricata, Coelastrea aspera and Porites lutea at East Bay and Praslin for each category of coral condition (i.e., bleached and unbleached)
| Site | Condition | n | # reads | OTU/Sample | PD_whole_tree | Chao1 | Simpsons | Shannons |
|---|---|---|---|---|---|---|---|---|
| A. gemmifera | ||||||||
| East Bay | Bleached | 3 | 16,970.67 ± 848.99 | 67.33 ± 18.90 | 4.59 ± 0.99 | 130.76 ± 59.35 | 0.64 ± 0.14 | 2.73 ± 0.67 |
| Unbleached | 3 | 14,076.33 ± 3,515.56 | 55.67 ± 23.80 | 4.16 ± 1.46 | 85.70 ± 22.37 | 0.65 ± 0.16 | 2.75 ± 1.00 | |
| Praslin | Bleached | 3 | 19,063.67 ± 4,324.15 | 83.33 ± 14.97 | 5.48 ± 0.65 | 154.16 ± 28.44 | 0.78 ± 0.09 | 3.57 ± 0.66 |
| Unbleached | 3 | 14,725.33 ± 2044.84 | 105.33 ± 18.76 | 6.67 ± 0.95 | 168.70 ± 34.66 | 0.82 ± 0.04 | 3.86 ± 0.49 | |
| A. muricata | ||||||||
| East Bay | Bleached | 3 | 22,968.33 ± 4,380.83 | 30.00 ± 12.50 | 2.46 ± 0.84 | 60.93 ± 31.90 | 0.41 ± 0.13 | 1.35 ± 0.39 |
| Unbleached | 3 | 15,612.67 ± 2,796.26 | 71.00 ± 23.71 | 5.03 ± 1.40 | 109.05 ± 26.55 | 0.60 ± 0.06 | 2.71 ± 0.55 | |
| Praslin | Bleached | 3 | 16,103.67 ± 3,189.49 | 40.00 ± 8.88 | 3.08 ± 0.57 | 75.38 ± 16.22 | 0.60 ± 0.09 | 2.16 ± 0.43 |
| Unbleached | 3 | 10,968.00 ± 1954.59 | 41.00 ± 13.01 | 3.06 ± 0.89 | 75.17 ± 33.10 | 0.64 ± 0.12 | 2.33 ± 0.63 | |
| C. aspera | ||||||||
| East Bay | Bleached | 2 | 13,306.50 ± 5,128.50 | 184.50 ± 106.50 | 9.62 ± 3.95 | 306.88 ± 162.88 | 0.70 ± 0.28 | 4.61 ± 2.61 |
| Unbleached | 2 | 12,907.00 ± 6,179.00 | 360.50 ± 27.50 | 15.80 ± 1.33 | 662.96 ± 6.05 | 0.99 ± 0.01 | 7.71 ± 0.24 | |
| Praslin | Bleached | 3 | 16,738.33 ± 696.74 | 253.33 ± 23.56 | 12.29 ± 0.99 | 510.21 ± 40.09 | 0.93 ± 0.03 | 6.01 ± 0.35 |
| Unbleached | 1 | 13,853.00 (n/a) | 99.00 (n/a) | 7.37 (n/a) | 251.50 (n/a) | 0.75 (n/a) | 3.44 (n/a) | |
| P. lutea | ||||||||
| East Bay | Bleached | 3 | 24,632.67 ± 113.81 | 183.00 ± 49.21 | 10.27 ± 2.26 | 317.75 ± 90.47 | 0.94 ± 0.02 | 5.70 ± 0.54 |
| Unbleached | 3 | 19,577.00 ± 6,361.46 | 277.67 ± 41.59 | 13.58 ± 1.65 | 470.00 ± 60.58 | 0.92 ± 0.05 | 6.24 ± 0.95 | |
| Praslin | Bleached | 3 | 32,955.67 ± 5,782.41 | 141.67 ± 64.01 | 8.19 ± 2.96 | 269.59 ± 105.85 | 0.81 ± 0.16 | 4.58 ± 1.64 |
| Unbleached | 2 | 25,426.50 ± 8,188.50 | 231.50 ± 65.50 | 12.58 ± 2.51 | 438.13 ± 145.99 | 0.97 ± 0.005 | 6.36 ± 0.21 | |
| F(df) statistic | F 3,42 = 0.58 | F 3,42 = 3.76 | F 3,42 = 2.92 | F 3,42 = 4.10 | F 3,42 = 1.41 | F 3,42 = 1.87 | ||
| p value | 0.634 | 0.020* | 0.049* | 0.014* | 0.259 | 0.152 | ||
Statistical analysis (Univariate general linear model [GLM] for interactions between species ×site × coral condition are shown and significance is shown with an asterisk (*). Average ± SE are shown. n/a = no SE calculated for C. aspera unbleached sample from Praslin (n = 1).