Table 1 Effect of environmental factors i.e., location (Apse and Passage), alteration (unmarked surfaces and dark zone) and time (2020 and 2021) on microbial community composition

From: Microbial diversity and secondary metabolism potential in relation to dark alterations in Paleolithic Lascaux Cave

A

Factor

 

Df

F

P

R2

Room

2

10.806

0.001

0.365

Alteration

1

10.554

0.001

0.178

Year

1

2.183

0.071

0.056

Room × Alteration

2

7.469

0.001

0.252

Room × Year

2

2.151

0.041

0.067

Year × Alteration

2

9.874

0.055

0.081

Room × Alteration × Year

1

6.433

0.006

0.014

B

pair1

pair2

Df

F

P

R2

Apse 2020

Passage 2021

1

1.35

0.004

0.41

Apse 2020

Apse 2021

1

0.10

0.757

0.05

Passage 2021

Apse 2021

1

1.17

0.005

0.34

  1. A The differences between groups were tested using PERMANOVA and B groups were tested using pairwise adonis on Bray–Curtis dissimilarity matrices.
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