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Table 2 Test results of the factors affecting spatial distribution outside host nests in the WV site (Type 3 Wald χ2 tests)

From: Moving apart together: co-movement of a symbiont community and their ant host, and its importance for community assembly

Response variable

model

predictor

Df

Host density continuous

Host density categorical (low vs high density)

effect

χ2

P

effect

χ2

P

Gradient towards the forest interior

 Total species richness

glmer

distance from nest

1

–

47.5

< 0.001

–

54.9

< 0.001

  

host density

1

+

19.4

< 0.001

+

39.2

< 0.001

  

number of species in the nest

1

+

6.5

0.011

+

10.2

0.001

  

distance from nest x host density

1

+

9.1

0.003

   

 Number of Thyreosthenius

glmer.nb

distance from nest

1

–

36.5

< 0.001

–

10.2

0.001

  

host density

1

+

3.9

0.049

+

0.0

0.84

  

number of individuals in the nest

1

+

14.5

< 0.001

+

11.9

< 0.001

  

distance from nest x host density

1

+

15.5

< 0.001

+

15.8

< 0.001

 Number of Stenus

glmer.nb

distance from nest

1

–

25.7

< 0.001

–

33.5

< 0.001

  

host density

1

+

16.0

< 0.001

+

26.2

< 0.001

  

distance from nest x host density

    

–

11.8

< 0.001

 Number of Thiasophila

glmer.nb

distance from nest

1

–

31.4

< 0.001

–

38.1

< 0.001

  

host density

1

+

10.6

0.001

+

3.4

0.07

  

number of individuals in the nest

1

+

11.4

< 0.001

   

 Number of Lyprocorrhe

glmer.nb

distance from nest

1

–

20.7

< 0.001

–

23.0

< 0.001

  

host density

1

+

22.5

< 0.001

+

13.4

< 0.001

 Number of Notothecta

glmer.nb

distance from nest

1

–

8.7

0.003

–

11.3

< 0.001

  

host density

1

+

18.2

< 0.001

+

13.6

< 0.001

  

number of individuals in the nest

    

+

3.2

0.072

  

distance from nest x host density

    

–

5.6

0.018

 Number of Pella

glmer.nb

distance from nest

1

+

24.9

< 0.001

+

24.9

< 0.001

 Number of Cyphoderus

glmer.nb

distance from nest

1

–

36.0

< 0.001

–

36.0

< 0.001

  

number of individuals in the nest

1

+

3.7

0.06

+

3.7

0.06

Gradient forest vs edge

 Total species richness

glmer

directionality of movement

1

–

14.7

< 0.001

 

6.1

0.013

  

distance from nest

1

+

6.8

0.010

–

8.5

0.003

  

host density

1

+

31.8

< 0.001

+

9.7

0.002