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Table 1 Minimal adequate fixed-effects linear model (Taiwan-Europe): Reference group: Taiwanese parasite population of A. crassus in the European eel

From: Evolutionary divergence of the swim bladder nematode Anguillicola crassus after colonization of a novel host, Anguilla anguilla

Estimated term

Model no

Response variable

Explanatory variables and interactions in the minimal adequate models

Direction of effect

p-value

Recovery

1

Numbers of L3 + L4 + adults recovered alive

(Intercept)

+

0.0000

   

Japanese eel

-

0.0000

   

European parasite populations

+

0.0000

   

Dpi

+

0.0676

   

Japanese eel*European parasite populations

+

0.0000

   

Japanese eel*Dpi

-

0.0000

   

European parasite populations*Dpi

-

0.0000

Development

2

Number of L3 recovered alive

(Intercept)

+

0.0000

   

Japanese eel

-

0.0000

   

European parasite populations

-

0.0000

   

Number of L4 recovered alive

+

0.0000

   

Mean length of adults

-

0.0090

   

Number of adults recovered alive

+

0.0067

   

Japanese eel*European parasite populations

+

0.0000

 

3

Number of L4 recovered alive

(Intercept)

-

0.8179

   

Japanese eel

+

0.0000

   

European parasite populations

+

0.0000

   

Dpi

+

0.5592

   

Number of L3 recovered alive

+

0.0000

   

Japanese eel*European parasite populations

-

0.0000

   

Japanese eel*Dpi

-

0.0000

   

European parasite populations*Dpi

-

0.0001

   

Japanese eel*European parasite populations*Dpi

+

0.0037

 

4

Number of adults recovered alive

(Intercept)

+

0.0000

   

Japanese eel

-

0.9824

   

European parasite populations

+

0.0008

   

Dpi

+

0.0000

   

Number of dead adults

+

0.0002

   

Number of eggs

+

0.0008

   

Japanese eel*Dpi

-

0.0000

   

European parasite populations*Number of dead adults

-

0.0000

   

Japanese eel* Number of eggs

+

0.0003

   

European parasite populations* Number of eggs

-

0.0093

 

5

Number of dead adults

(Intercept)

-

0.1574

   

Japanese eel

-

0.8237

   

European parasite populations

+

0.0126

   

Dpi

+

0.0000

   

Number of dead larvae

+

0.0002

   

Number of eggs

-

0.0132

   

Number of adults recovered alive

+

0.0209

   

Japanese eel*Dpi

-

0.0199

   

Japanese eel* Number of dead larvae

-

0.0001

   

European parasite populations* Number of eggs

+

0.0079

   

European parasite populations* Number of adults recovered alive

-

0.0189

 

6

Number of dead larvae

(Intercept)

-

0.9176

   

Japanese eel

+

0.4724

   

European parasite populations

+

0.8674

   

Dpi

+

0.6772

   

Number of dead adults

+

0.7514

   

Japanese eel*European parasite populations

+

0.0086

   

Japanese eel*Dpi

+

0.0000

   

Japanese eel* Number of dead adults

-

0.0021

Reproductive potential

7 (big model)

Log number of eggs

(Intercept)

-

0.0000

   

Japanese eel

+

0.3789

   

Dpi

+

0.0000

   

Number of dead adults

+

0.0004

   

Number of adults recovered alive

+

0.0000

   

Mean length of adults

+

0.0000

   

Japanese eel*Dpi

-

0.0361

 

8 (small model)

Log number of eggs

(Intercept)

+

0.0000

   

Japanese eel

-

0.0060

   

Dpi

+

0.0000

   

Japanese eel*Dpi

-

0.0000

  1. Significant effects are in bold.
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BMC Ecology and Evolution

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