Table 1.
Alpha diversity estimates of microbial communities in SI (Sasa-intact) and SR (Sasa-removed) plots for five sampling dates.
| Dates | Number of OTUsa | Chao1b | Shannonc | Simpsond | Coveragee | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
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|
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| SI plot | SR plot | SI plot | SR plot | SI plot | SR plot | SI plot | SR plot | SI plot | SR plot | ||
| Bacteria | 23 Jul 2014 | 847 (64) | 852 (15) | 999 (52) | 1071 (44) | 7.6 (0.1) | 7.2 (0.1) | 0.99 (0) | 0.98 (0) | 0.99 (0) | 0.99 (0) |
| 1 Oct 2014 | 960 (37) | 863 (55) | 1141 (42) | 1021 (49) | 7.6 (0.1) | 7.5 (0.2) | 0.99 (0) | 0.99 (0) | 0.99 (0) | 0.99 (0) | |
| 3 Jun 2015 | 935 (31) | 955 (33) | 1146 (37) | 1138 (42) | 7.8 (0) | 7.8 (0.1) | 0.99 (0) | 0.99 (0) | 0.99 (0) | 0.99 (0) | |
| 4 Aug 2015 | 919 (68) | 962 (48) | 1107 (90) | 1155 (49) | 7.7 (0.2) | 7.7 (0.1) | 0.99 (0) | 0.99 (0) | 0.99 (0) | 0.99 (0) | |
| 1 Oct 2015 | 1043 (43) | 998 (22) | 1207 (45) | 1201 (45) | 7.8 (0.1) | 7.8 (0.1) | 0.99 (0) | 0.99 (0) | 0.99 (0) | 0.99 (0) | |
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| Fungi | 23 Jul 2014 | 42 (1) | 40 (7) | 43 (2) | 42 (7) | 2.6 (0.4) | 2.7 (0.2) | 0.72 (0.06) | 0.74 (0.02) | 1 (0) | 1 (0) |
| 1 Oct 2014 | 47 (2) | 36 (4) | 50 (2) | 43 (6) | 3.2 (0.1) | 2.1 (0.7) | 0.77 (0.04) | 0.55 (0.14) | 1 (0) | 1 (0) | |
| 3 Jun 2015 | 43 (5) | 46 (5) | 44 (6) | 48 (6) | 2.8 (0.4) | 3.7 (0.3) | 0.76 (0.07) | 0.87 (0.03) | 1 (0) | 1 (0) | |
| 4 Aug 2015 | 50 (5) | 46 (4) | 53 (5) | 46 (5) | 2.8 (03) | 2.9 (0.7) | 0.76 (0.06) | 0.70 (0.16) | 1 (0) | 1 (0) | |
| 1 Oct 2015 | 46 (2) | 44 (4) | 46 (2) | 44 (5) | 2.2 (0.1) | 3.0 (0.5) | 0.62 (0.01) | 0.73 (0.13) | 1 (0) | 1 (0) | |
Values represent mean (SD) (n=3). Values in bold denote a significant difference between the SI (Sasa-intact) and SR (Sasa-removed) plots (p<0.05; one-way ANOVA), otherwise no significant difference.
Species level, a 97% similarity threshold was used to define operational taxonomic units (OTUs).
Chao1: Chao1 estimator with species richness.
Shannon: Shannon Index.
Simpson: Simpson Index.
Coverage: Coverage C was calculated as C=1− (s/n), where s is the number of unique OTUs and n is the number of individuals in the sample.