Table 4.
Phylum | Friedman test | Nemenyi multiple comparison p‐values | Mean monthly relative abundance (%) | |||||||
---|---|---|---|---|---|---|---|---|---|---|
χ2 | df | p | March | April | May | August | September | |||
Actinobacteria | 32.37 | 5 | <.001 | March | – | – | – | – | – | 4.01 |
April | .060 | – | – | – | – | 5.04 | ||||
May | <.001 | .710 | – | – | – | 5.67 | ||||
August | <.001 | .146 | .918 | – | – | 6.26 | ||||
September | .006 | .980 | .980 | .522 | – | 5.05 | ||||
October | .001 | .830 | 1.000 | .830 | .996 | 6.02 | ||||
Bacteroidetes | 54.02 | 5 | <.001 | March | – | – | – | – | – | 47.50 |
April | .998 | – | – | – | – | 46.33 | ||||
May | .302 | .570 | – | – | – | 42.78 | ||||
August | <.001 | <.001 | .087 | – | – | 38.42 | ||||
September | <.001 | <.001 | .040 | 1.000 | – | 37.64 | ||||
October | <.001 | <.001 | .049 | 1.000 | 1.000 | 37.97 | ||||
Cyanobacteria | 23.12 | 5 | <.001 | March | – | – | – | – | – | 3.02 |
April | .939 | – | – | – | – | 3.39 | ||||
May | .570 | .980 | – | – | – | 3.55 | ||||
August | .001 | .021 | .146 | – | – | 4.99 | ||||
September | .618 | .988 | 1.000 | .124 | – | 3.90 | ||||
October | 1.000 | .918 | .522 | .000 | .570 | 2.98 | ||||
Fibrobacteres | 54.56 | 5 | <.001 | March | – | – | – | – | – | 6.30 |
April | .001 | – | – | – | – | 2.68 | ||||
May | .001 | .040 | – | – | – | 1.68 | ||||
August | .001 | 1.000 | .060 | – | – | 2.82 | ||||
September | .001 | 1.000 | .040 | 1.000 | – | 2.64 | ||||
October | .002 | .996 | .008 | .988 | .996 | 3.14 | ||||
Firmicutes | 51.39 | 5 | <.001 | March | – | – | – | – | – | 27.46 |
April | .302 | – | – | – | – | 31.81 | ||||
May | .001 | .172 | – | – | – | 35.47 | ||||
August | .001 | .016 | .956 | – | – | 37.13 | ||||
September | .001 | .004 | .793 | .998 | – | 38.97 | ||||
October | .001 | .021 | .970 | 1.000 | .996 | 37.91 | ||||
Proteobacteria | 49.86 | 5 | <.001 | March | – | – | – | – | – | 3.60 |
April | .522 | – | – | – | – | 3.80 | ||||
May | 1.000 | .664 | – | – | – | 3.58 | ||||
August | .793 | .032 | .664 | – | – | 3.05 | ||||
September | .087 | <.001 | .049 | .753 | – | 3.30 | ||||
October | .003 | .342 | .006 | <.001 | <.001 | 4.44 | ||||
Spirochaetes | 22.03 | 5 | <.001 | March | – | – | – | – | – | 1.87 |
April | 1.000 | – | – | – | – | 1.85 | ||||
May | .001 | .001 | – | – | – | 2.42 | ||||
August | .664 | .641 | .146 | – | – | 2.23 | ||||
September | .302 | .283 | .429 | .993 | – | 2.35 | ||||
October | .879 | .864 | .054 | .999 | .929 | 2.10 | ||||
Synergistetes | 65.61 | 5 | <.001 | March | – | – | – | – | – | 2.94 |
April | .570 | – | – | – | – | 2.59 | ||||
May | .054 | .847 | – | – | – | 2.26 | ||||
August | <.001 | .012 | .265 | – | – | 2.08 | ||||
September | <.001 | <.001 | <.001 | .322 | – | 1.66 | ||||
October | <.001 | .010 | .248 | 1.000 | .342 | 2.02 | ||||
Tenericutes | 40.14 | 5 | <.001 | March | – | – | – | – | – | 0.06 |
April | 1.000 | – | – | – | – | 0.05 | ||||
May | .830 | .753 | – | – | – | 0.11 | ||||
August | .007 | .004 | .215 | – | – | 0.28 | ||||
September | <.001 | <.001 | .013 | .906 | – | 0.32 | ||||
October | .964 | .929 | .999 | .087 | .003 | 0.15 | ||||
Verrucomicrobia | 33.52 | 5 | <.001 | March | – | – | – | – | – | 3.24 |
April | .342 | – | – | – | – | 2.47 | ||||
May | .185 | 1.000 | – | – | – | 2.46 | ||||
August | .753 | .988 | .929 | – | – | 2.71 | ||||
September | .095 | <.001 | <.001 | .001 | – | 4.14 | ||||
October | .993 | .710 | .498 | .970 | .019 | 3.28 |