Skip to main content

Table 1 Metrics comparing the richness, evenness and diversity of bacterial symbiont communities

From: Feeding cessation alters host morphology and bacterial communities in the ascidian Pseudodistoma crucigaster

Diversity metric

Measure

Active

Resting

P-value

Richness

Observed OTUs (Sobs)

28 ± 5

62 ± 10

<0.05*

 

Expected OTUs (SChao1)

33 ± 6

87 ± 19

<0.05*

Evenness

Simpson Index (E1/D)

0.10 ± 0.02

0.05 ± 0.01

0.076

 

Smith & Wilson (Evar)

0.48 ± 0.02

0.38 ± 0.02

<0.05*

Diversity

Inverse Simpson (1/D)

3.2 ± 1.2

2.9 ± 0.1

0.819

 

Shannon Index (H)

1.4 ± 0.4

1.9 ± 0.1

0.294

  1. Statistical comparisons (Student’s t-test) between communities in active and resting colonies of the ascidian P. crucigaster are shown, with significant values indicated with asterisks (*)
Back to article page

Frontiers in Zoology

ISSN: 1742-9994