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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.