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Zoological Studies

Table 2 Ants collected in pitfall traps from 2003 to 2005 at the study site

From: Diversity decrease of ant (Formicidae, Hymenoptera) after a forest disturbance: different responses among functional guilds

 

Year

Friedman ANOVA

Change

Guild

2003

2004

2005

F 2, 847

P

Species

       

 Camponotus japonicus

0.01 ± 0.01 a

0 ± 0 a

0.31 ± 0.04 b

57.09

0.000

Increased

OF

 Formica japonica

0.83 ± 0.13 a

6.40 ± 0.74 b

9.98 ± 1.13 c

124.13

0.000

Increased

OF

 Lasius japonicus

0.28 ± 0.12 a

0.10 ± 0.03 a

5.41 ± 2.22 b

39.29

0.000

Increased

OF

 Aphaenogaster japonica

2.73 ± 0.16 a

1.46 ± 0.11 b

2.12 ± 0.14 c

22.69

0.000

Decreased

FGF

 Camponotus atrox

0.05 ± 0.02 a

0.13 ± 0.03 b

0.12 ± 0.02 b

5.32

0.005

Increased

FGF

 Lasius spathepus

0 ± 0 a

0.01 ± 0.01 b

0 ± 0 a

4.42

0.012

 

FGF

 Nylanderia flavipes

0.43 ± 0.07 a

0.02 ± 0.01 b

0.18 ± 0.04 c

23.18

0.000

Decreased

FGF

 Pachycondyla chinensis

0.08 ± 0.02 a

0.05 ± 0.02 a

0.004 ± 0.004 b

6.21

0.002

Decreased

FGF

 Pachycondyla javana

0.36 ± 0.05 a

0.64 ± 0.08 b

0.34 ± 0.05 a

7.98

0.0004

 

FGF

 Pheidole fervida

2.33 ± 0.27 a

0.11 ± 0.03 b

0.89 ± 0.13 c

109.03

0.000

Decreased

FGF

 Pristomyrmex pungens

0.07 ± 0.03 a

0 ± 0 b

0.01 ± 0.01 b

5.32

0.005

Decreased

FGF

 Temnothorax nassonovi

0.06 ± 0.02 a

0 ± 0 a

0.48 ± 0.05 b

80.36

0.000

Increased

FGF

 Camponotus kiusuensis

0.01 ± 0.005 a

0.02 ± 0.01 b

0.11 ± 0.03 b

9.23

0.0001

Increased

FVF

 Camponotus nipponensis

0.003 ± 0.003

0.004 ± 0.004

0.01 ± 0.01

0.81

0.446

 

FVF

 Camponotus tokioensis

0 ± 0

0 ± 0

0.004 ± 0.004

1.00

0.368

 

FVF

 Crematogaster teranishi

0.01 ± 0.005

0 ± 0

0 ± 0

1.84

0.160

 

FVF

 Crematogaster matsumurai

0.003 ± 0.003 a

0.004 ± 0.004 a

0.09 ± 0.03 b

13.36

0.000

Increased

FVF

 Dolichoderus sibiricus

0 ± 0

0 ± 0

0.004 ± 0.004

1.00

0.368

 

FVF

 Cryptone sauteri

0.03 ± 0.01 a

0 ± 0 b

0.01 ± 0.01 b

4.88

0.008

Decreased

SLD

 Hypoponera sauteri

0.003 ± 0.003

0 ± 0

0 ± 0

0.92

0.400

 

SLD

 Myrmecina nipponica

0.11 ± 0.02 a

0.01 ± 0.01 b

0.07 ± 0.02 a

10.12

0.000

Decreased

SLD

 Ponera japonica

0.19 ± 0.03 a

0.01 ± 0.01 b

0.06 ± 0.02 c

25.66

0.000

Decreased

SLD

 Strumigenys lewisi

0.18 ± 0.03 a

0 ± 0 b

0.01 ± 0.005 b

40.83

0.000

Decreased

SLD

 Vollenhovia emeryi

0.56 ± 0.07 a

0.01 ± 0.01 b

0.13 ± 0.02 c

57.58

0.000

Decreased

SLD

Species richness

21

15

21

    

Abundance

8.34 ± 2.20 a

8.99 ± 2.33 a

20.34 ± 2.27 b

8.87

0.000

  

Species evenness (J′)

0.65

0.32

0.50

    
  1. The ants were collected from the Long-Term Ecological Research (LTER) site in Gwangneung forest, mid-western Korea. Abundance (number of individuals per trap) is provided by mean with SE. Different letters following values denote significant difference between groups in the Mann-Whitney U test. Change in abundance was determined by the difference between 2003 and 2004 or 2003 and 2005. Guilds were defined as follows: FGF, forest ground forager; SLD, soil and litter dweller; OF, open-land forager; FVF, forest vegetation forager. Definition of the guilds is shown in the text.
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