Ecological Archives E094-231-A2

Thomas W. Crowther, David W. G. Stanton, Stephen M. Thomas, A. Donald A'Bear, Jennifer Hiscox, T. Hefin Jones, Jana Voříšková, Petr Baldrian, Lynne Boddy. 2013. Top-down control of soil fungal community composition by a globally distributed keystone consumer. Ecology 94:2518–2528. http://dx.doi.org/10.1890/13-0197.1

Appendix B (Table B1). Overall test statistics and P values for models including soil, fungus-only, and isopod treatments.

Measurement

Test

Test statistic

P value

Fungal phylum composition

PERMANOVA

F2,20 = 11.044

<0.001

Fungal genus composition

PERMANOVA

F2,20 = 16.385

<0.001

Fungal OTU composition

PERMANOVA

F2,20 = 5.306

<0.001

Transformed fungal OTU composition

PERMANOVA

F2,20 = 2.939

<0.001

Shannon Diversity*

ANOVA

F1,8 = 10.81

0.011

Shannon Evenness*

ANOVA

F1,8 = 3.47

0.099

Fungal biomass

ANOVA

F2,18 = 61.07

<0.001

Bacterial biomass

ANOVA

F2,18 = 4.513

0.025

Fungal:Bacteria ratio

ANOVA

F2,18 = 17.21

<0.001

Collembola community

PERMANOVA

F2,20 = 2.963

0.006

Collembola diversity

ANOVA

F2,18 = 3.106

0.047

Collembola abundance

ANOVA

F2,18 = 4.097

0.034

Enzyme activity

PCA, ANCOVA

F5,15 = 1.951

0.034

Cellobiosidase

ANCOVA

F5,15 = 7.616

<0.001

ß-Glucosidase

ANCOVA

F5,15 = 2.075

0.047

α-Glucosidase (AG)

ANCOVA

F5,15 = 1.562

0.077

ß-Xylosidase

ANCOVA

F5,15 = 1.016

0.592

Chitinase

ANCOVA

F5,15 = 1.808

0.131

Phosphodiesterase

ANCOVA

F5,15 = 3.4

0.012

Phosphomonoesterase

ANCOVA

F5,15 = 3.645

0.03

Arylsulphatase

ANCOVA

F5,15 = 3.241

0.084

* = only compared ‘fungus-only’ and ‘isopod’ treatments included in model.

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