Skip to main content

Table 3 Diversity indices and outcomes of the Shannon diversity t-test

From: Long-term study reveals central European aerial insectivores as an unusual group of hosts that harbor mostly helminths that are unable to complete life-cycles in the nesting quarters of their hosts

Variable

Host species

Apus apus (n = 261)

Hirundo rustica (n = 447)

Delichon urbicum (n = 151)

Riparia riparia (n = 186)

Ficedula albicollis (n = 87)

Number of species

16

15

11

3

9

Number of individuals

2076

1150

1055

346

103

Helminth load (mean ± SE)

8.0 ± 0.8

2.6 ± 0.4

7.0 ± 0.7

1.9 ± 0.3

1.2 ± 0.5

Dominance

0.309

0.183

0.457

0.089

0.781

Evenness

0.254

0.467

0.232

0.409

0.642

Equitability

0.504

0.719

0.391

0.186

0.798

Fisher alpha

2.36

2.44

1.71

0.45

2.37

Berger–Parker

0.424

0.283

0.515

0.954

0.340

Shannon diversity t-test (t; df; P)

 Apus apus

 

12.1; 5511.8; < 0.001

−13.3; 2120.5; < 0.001

−15.9; 2113.6; < 0.001

3.8; 115.4; < 0.001

 Hirundo rustica

  

24.7; 2845.8; < 0.001

18.2; 5034.0; < 0.001

1.4; 388.2; 0.17

 Delichon urbicum

   

7.1; 2462.7; < 0.001

−8.9; 128.0; < 0.001

 Riparia riparia

    

−10.4; 376.2; < 0.001