Table 2 Summary statistics from pairwise comparison of ASV relative abundance to environmental variables and Pearson correlation coefficients. A statistically significant result has a p value ≤ 0.05.

From: Biogeochemical and historical drivers of microbial community composition and structure in sediments from Mercer Subglacial Lake, West Antarctica

Parameter

Positively correlated

Negatively correlated

Strong

Moderate

Strong

Moderate

0.6 ≤ |r| <1.0

0.2 ≤ |r| <0.6

0.6 ≤ |r| <1.0

0.2 ≤ |r| <0.6

 

ASV/%a

ASV/%a

ASV/%a

ASV/%a

Oxygen

44/0.7%

851/15.2%

5/0.09%

473/8.4%

Amorphous Fe

0/0%

545/9.7%

7/0.1%

477/8.5%

Crystalline Fe

0/0%

884/16%

0/0%

75/1.3%

CRS

0/0%

312/5.6%

0/0%

489/8.7%

AVS

0/0%

383/6.8%

0/0%

7/0.1%

Methane

3/0.05%

456/8.1%

40/0.7%

832/15%

TOC

19/0.3%

847/15%

0/0%

305/5.4%

Sediment δ13C

0/0%

5/0.09%

0/0%

280/5.0%

Depth

21/0.4%

547/9.8%

43/0.8%

905/16%

Conductivity

0/0%

338/6.0%

137/2.4%

800/14%

Water Content

123/2.2%

823/15%

0/0%

330/5.9%

DNA

29/0.5%

1145/20%

0/0%

9/0.2%

Shannon Diversity Index

152/2.7%

1221/22%

0/0%

5/0.09%

EPS-Carbohydrate

5/0.09%

84/1.5%

63/1.1%

120/2.1%

EPS-DNA

19/0.3%

186/3.3%

2/0.03%

35/0.6%

EPS δ13C

55/1.0%

137/2.4%

1/0.02%

4/0.07%

Cell Abundance

278/5.0%

0/0%

0/0%

0/0%

  1. aThe percentage relative to the total number of ASVs.
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