Table 2.
The network OTUs identified with greatest centrality as defined by closeness, centrality, and node degree.
| OTU ID | Closeness Centrality | Betweenness Centrality | Degree | Site type of greatest OTU sequence abundance | Taxonomy |
|---|---|---|---|---|---|
| OTU_48437 | 0.12 | 937 | 22 | Perennial | Proteobacteria|Betaproteobacteria|Burkholderiales|Comamonadaceae |
| OTU_00078 | 0.127 | 67.4 | 30 | Perennial | Proteobacteria|Gammaproteobacteria|Methylococcales|Crenotrichaceae|Crenothrix |
| OTU_00100 | 0.132 | 811.8 | 30 | Perennial | Proteobacteria|Betaproteobacteria|Nitrosomonadales|Nitrosomonadaceae|Unclassified |
| OTU_53454 | 0.129 | 2385.5 | 5 | Perennial | Proteobacteria|Gammaproteobacteria|Methylococcales|Crenotrichaceae|Crenothrix |
| OTU_01066 | 0.132 | 820 | 31 | Perennial | Proteobacteria|Gammaproteobacteria|Methylococcales|Methylococcaceae|Methylosoma |
| OTU_61953 | 0.132 | 811.8 | 30 | Perennial | Proteobacteria|Gammaproteobacteria|Methylococcales|Crenotrichaceae|Crenothrix |
| OTU_00141 | 0.127 | 106.9 | 32 | Perennial | Bacteroidetes|Sphingobacteriia|Sphingobacteriales|Chitinophagaceae|Terrimonas |
| OTU_35775 | 0.129 | 1029.8 | 4 | Perennial | Proteobacteria|Gammaproteobacteria|Methylococcales|Crenotrichaceae|Crenothrix |
| OTU_00011 | 0.127 | 221.2 | 32 | Perennial | Proteobacteria|Betaproteobacteria|Methylophilales|Methylophilaceae |
| OTU_00005 | 0.128 | 175.5 | 30 | Perennial | Proteobacteria|Gammaproteobacteria|Methylococcales|Crenotrichaceae|Crenothrix |
| OTU_12554 | 0.103 | 320 | 4 | Temporary (flowing) | Proteobacteria|Betaproteobacteria|Rhodocyclales|Rhodocyclaceae |
| OTU_00297 | 0.11 | 131.4 | 11 | Temporary (flowing) | Proteobacteria|Betaproteobacteria|Nitrosomonadales|Gallionellaceae |
| OTU_00249 | 0.108 | 281 | 16 | Temporary (flowing) | Spirochaetes|Spirochaetes|Spirochaetales|Spirochaetaceae|Spirochaeta |
| OTU_01068 | 0.104 | 34.1 | 6 | Temporary (flowing) | Proteobacteria|Betaproteobacteria|Burkholderiales|Comamonadaceae |
| OTU_00010 | 0.105 | 237.2 | 8 | Temporary (flowing) | Proteobacteria|Alphaproteobacteria|Rhizobiales|Bradyrhizobiaceae |
| OTU_00153 | 0.113 | 581.3 | 21 | Temporary (dry) | Proteobacteria|Alphaproteobacteria|Rhizobiales|Xanthobacteraceae|Unclassified |
| OTU_08430 | 0.12 | 494.2 | 15 | Temporary (dry) | Nitrospirae|Nitrospira|Nitrospirales|4-29|Unclassified |
| OTU_00396 | 0.117 | 450.7 | 22 | Temporary (dry) | Bacteroidetes|Sphingobacteriia|Sphingobacteriales|Saprospiraceae|Unclassified |
| OTU_00090 | 0.113 | 256.6 | 20 | Temporary (dry) | Nitrospirae|Nitrospira|Nitrospirales|Nitrospiraceae|Unclassified |
| OTU_00178 | 0.12 | 494.2 | 15 | Temporary (dry) | Nitrospirae|Nitrospira|Nitrospirales|Nitrospiraceae|Unclassified |
| OTU_10024 | 0.111 | 469.7 | 11 | Temporary (dry) | Nitrospirae|Nitrospira|Nitrospirales|4-29|Unclassified |
| OTU_00124 | 0.117 | 450.7 | 22 | Temporary (dry) | Proteobacteria|Deltaproteobacteria|Syntrophobacterales|Syntrophaceae|Syntrophus |
| OTU_00056 | 0.118 | 822.4 | 11 | Temporary (dry) | Nitrospirae|Nitrospira|Nitrospirales|4-29|Unclassified |
| OTU_00240 | 0.119 | 296.6 | 14 | Temporary (dry) | Nitrospirae|Nitrospira|Nitrospirales|Nitrospiraceae|Nitrospira |
| OTU_00087 | 0.12 | 494.2 | 15 | Temporary (dry) | Proteobacteria|Gammaproteobacteria|Xanthomonadales|Sinobacteraceae|Unclassified |
The site type at which the sequences abundance of a given OTU is greatest is also identified.