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Table 2 Aggressive interactions between ants from different sites

From: Behavioural and chemical evidence for multiple colonisation of the Argentine ant, Linepithema humile, in the Western Cape, South Africa

 

SW

Cal

Stel

EL3

EL2

Port

Jonk

Bell

Bred

SW

         

Cal

1/10ns

        

Stel

0/10ns

0/10ns

       

El3

7/10***

7/10***

8/10***

      

EL2

3/10*

4/10*

0/10ns

9/10***

     

Port

0/10ns

0/10ns

0/10ns

8/10***

1/10ns

    

Jonk

1/10ns

0/10ns

0/10ns

9/10***

4/10*

0/10ns

   

Bell

1/10ns

0/10ns

0/10ns

6/10**

0/10ns

0/10ns

0/10ns

  

Bred

1/10ns

2/10ns

0/10ns

8/10***

3/10*

0/10ns

0/10ns

0/10ns

 
  1. Frequency of aggression between ants from different sites. Levels of significance based on Chi-Square test shown by (ns) P > 0.05, (*) P < 0.05, (**) P < 0.01 and (***) P <0.001. Degrees of Freedom (df = 1). Site abbreviations: SW = Somerset West, Cal = Caledon, Stel = Stellenbosch, EL3 = Elim 3, EL2 = Elim 2, Jonk = Jonkershoek, Bell = Bellville and Bred = Bredasdorp.
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BMC Ecology

ISSN: 1472-6785

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