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Impact on network metrics of the removal of Unknown OTUs from the network.
| Environment | Degree | Betweenness | Closeness | Proportion of Unknown OTUs out of 20 top hubs |
|---|---|---|---|---|
| Hot Springs | ↓ (F, G) | ↓ (G) | n.s. | 40% |
| Hypersaline | n.s. | ↓ (G) | ↑ (P to F) | 100% |
| Deep Sea | ↓ (all) | ↓ (F, G) | ↓ (F) | 20% |
| Polar | ↓ (all) | ↓ (P to G) | ↑ (P to G) | 90% |
Downward pointing arrow: significant decrease; upward pointing arrow: significant increase.
P Phylum, F Family, G Genus, all all taxonomic levels, n.s. not significant.
