Ecological Archives E087-021-A1

Volker H. W. Rudolf. 2006. The influence of size-specific indirect interactions in predator–prey systems. Ecology 87:362–371.

Appendix A. Test of random block effects for the survival, growth, activity and microhabitat use variables for prey (E. cirrigera) and both predator size classes (G. porphyriticus).

Species

Source

χ2

df

P

E. cirrigera

Survival

 

1

 
 

Mass

0.1

1

0.376

 

SVL

0

1

0.5

 

Day activity

7.1

1

0.0039

 

Night activity

5.8

1

0.0057

 

Microhabitat

0

1

0.5

Small G. porphyriticus

Mass

4.69

1

0.0152

 

SVL

3.2

1

0.0368

 

Night activity

0.9

1

0.1714

 

Microhabitat

0

1

0.5

Large G. porphyriticus

Mass

0

1

0.5

 

SVL

0

1

0.5

 

Night activity

0

1

0.5

   Notes: Significant block effects are bolded.



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