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Forest Ecosystems

Table 1 Overview of the number of plots (N) for each combination of focal tree species (numbers in the matrix); the frequency of each species is given for each species richness level (SR) and for the entire set of plots (overall)

From: Understorey phylogenetic diversity in thermophilous deciduous forests: overstorey species identity can matter more than species richness

 

Q. cerris

Q. ilex

Q. petraea

C. sativa

O. carpinifolia

SR = 1 (N = 10)

2

    
 

2

   
  

2

  
   

2

 
    

2

Freq.

2

2

2

2

2

SR = 2 (N = 9)

1

1

   

1

 

1

  
 

1

1

  

1

  

1

 
 

1

 

1

 
  

1

1

 

1

   

1

 

1

  

1

   

1

1

Freq.

4

4

3

4

3

SR = 3 (N = 9)

1

1

1

  

1

1

 

1

 

2

 

2

2

 
 

1

1

1

 

1

1

  

1

1

 

1

 

1

 

1

1

 

1

 

1

 

1

1

Freq.

6

6

5

4

4

SR = 4–5 (N = 8)

2

2

2

2

 

2

2

2

 

2

2

2

 

2

2

 

1

1

1

1

1

1

1

1

1

Freq.

7

8

6

6

6

Overall freq.

19

20

16

16

15

Freq. (%)

52.8

55.6

44.4

44.4

41.7

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