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Table 2 Results of redundancy analyses testing for the influence of tree species composition and phylogenetic turnover on the community composition of bark beetles in Yunnan Province, China, while removing the influence of spatial distance between sampling units (FITs)

From: The patterns of co-occurrence variation are explained by the low dependence of bark beetles (Coleoptera: Scolytinae and Platypodinae) on hosts along altitude gradients

  

Number of species/phylogenetic PC axes included

F

P

Proportion explained

  

Regional scale

   
  

Yunnan Province

   

Beetles

Tree species

21/211

2.561

0.001

0.10

Beetles

Tree phylogenetic

14/45

2.275

0.001

0.07

  

Local scale

   
  

Tropics (Bubeng)

   

Beetles

Tree species

7/137

3.616

0.001

0.34

  

Subtropics (Ailaoshan)

   

Beetles

Tree species

4/60

1.258

0.188

0.03

  

Temperates (Yulongxueshan)

   

Beetles

Tree species

4/18

1.875

0.001

0.15

  1. F statistics to test the significance of variables were calculated using the iterative ‘anova.cca’ in ‘vegan’. Regional spatial scale covers all of three local sampling sites from tropical Bubeng to subtropical Ailaoshan and to temperate Yulongxueshan
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Frontiers in Zoology

ISSN: 1742-9994