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Table 4 Diversity and abundance of functional guilds identified as site-specific core taxa

From: Core and conditionally rare taxa as indicators of agricultural drainage ditch and stream health and function

Assigned genera

ASV numbers

Relative abundance (%)

P value c

Function or habitat d

Agri_ditchesa

Agri_253b

Mixed

Forest

Agri_core identified as stream_core

     

 Hydrogenophaga

12

0.416

0.129

0.101

0.061

0.037*

Hydrogenotrophic denitrification

 Hyphomicrobium

12

0.094

0.017

0.033

0.010

0.034*

Denitrification

 Gallionella

3

0.060

0.007

0.022

0.012

0.045*

Dark_iron_oxidation

Agri_core not identified as stream_core

    

 Hydrogenophaga

3

0.17

0.01

0.02

0.00

0.046*

Hydrogenotrophic denitrification

 Aquicella

11

0.12

0.01

0.04

0.02

0.040*

Parasites; fecal indicator

 Polaromonas

3

0.05

0.00

0.00

0.00

0.016*

Psychrophiles

 u114

3

0.02

0.00

0.00

0.00

0.019*

Fish gut microbiome

 Mycoplana

2

0.02

0.00

0.00

0.00

0.035*

Soil bacteria able to decompose aromatic compounds

 PSB-M-3

2

0.02

0.00

0.00

0.00

0.050*

Phosphate-solubilizing bacteria

 Devosia

2

0.02

0.00

0.00

0.00

0.026*

Nitrogen fixation; nitrate reduction

  1. a Agri_ditches, S18, S19, S20, and S21
  2. b Agri_253, site S253 is situated on a agriculturally-dominated stream
  3. c The P values represent the effects of land use classes based on linear mixed-effects modeling. The significance level is denoted at *, P ≤ 0.05
  4. d Citations are listed in Supplementary Table S1