Ecological Archives E096-014-A7

Daniel C. Schlatter, Matthew G. Bakker, James M. Bradeen, and Linda L. Kinkel. 2015. Plant community richness and microbial interactions structure bacterial communities in soil. Ecology 96:134142. http://dx.doi.org/10.1890/13-1648.1

Appendix G. Bacterial diversity correlates among plant richness treatments.

Table G1. Pearson correlations (R value) between bacterial diversity (1/D) and soil characteristics, plant biomass, and soil antagonists among different plant richness treatments (n = 12/plant richness treatment; *p < 0.10, †p < 0.05, ‡p < 0.01).

Soil Characteristic

Monoculture

4-species

8-species

16-species

C (%)

0.54*

0.37

0.19

-0.16

OM (%)

0.54*

-0.19

0.35

-0.25

N (%)

0.58†

0.3

0.27

-0.18

P (ppm)

-0.52*

0.25

0.18

-0.24

K (ppm)

0.7†

-0.61†

0.09

-0.40

pH

0.34

-0.36

-0.30

0.05

Above-ground biomass (g/m²)

0.68†

-0.04

0.44

-0.12

Antagonist density (Log CFU/g)

0.25

0.2

-0.21

-0.20

Proportion antagonists (%)

0.01

-0.11

-0.16

0.68†


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