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Table 1 Topological properties in positive and negative co-occurrence networks

From: α-Terpineol fumigation alleviates negative plant-soil feedbacks of Panax notoginseng via suppressing Ascomycota and enriching antagonistic bacteria

Network topology parameters Positive (including indirect positive) Negative (including indirect negative)
Total nodes 335 343
Total links 2341 753
Average clustering coefficient 0.521 0.321
Network density 0.042 0.013
Average degree 13.976 4.391
Percentage of top 10 phyla Fungi Bacteria Fungi Bacteria
Ascomycota (24.18%) Proteobacteria (26.57%) Ascomycota (32.94%) Proteobacteria (21.28%)
Basidiomycota (10.75%) Firmicutes (11.04%) Basidiomycota (9.91%) Firmicutes (12.54%)
Glomeromycota (2.39%) Bacteroidetes (5.67%) Glomeromycota (1.46%) Bacteroidetes (5.25%)
  Actinobacteria (3.88%)   Actinobacteria (4.08%)
  Planctomycetes (3.58%)   Acidobacteria (2.62%)
  Chloroflexi (2.09%)   Chloroflexi (2.33%)
  Acidobacteria (1.79%)   Plantctomycetes (1.46%)
Keystone taxa (the numbers of degrees) [phylum which the genus belong to] Fungi Bacteria Fungi Bacteria
Periglandula (92) [Ascomycota] Aquicella (105) [Proteobacteria] Cephalotheca (71) [Ascomycota] Alloprevotella (50) [Bacteroidetes]
Phaeosphaeriopsis (90) [Ascomycota] Aridibacter (105) [Acidobacteria] Geoglossum (70) [Ascomycota] Thermanaerothrix (44) [Chloroflexi]
Ceriporia (84) [Basidiomycota] Cellvibrio (87) [Proteobacteria] Orbilia (69) [Ascomycota]  
Schizophyllum (90) [Basidiomycota] Dyella (84) [Proteobacteria] Chaetomium (63) [Ascomycota]  
Palaeospora (87) [Glomeromycota] Kouleothrix (84) [Chloroflexi] Symbiotaphrina (44) [Ascomycota]  
   Staphylotrichum (31) [Ascomycota]  
   Lichtheimia (32) [Mucoromycota]  
   Ajellomyces (31) [Ascomycota]