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Table 2 One-way ANOVA of the effects of population, sex, and tree size and three-way ANOVA of the effects of population, sex, and tree size (basal diameter) on the clonal production of reproductive Ilex cornuta trees on Jeju Island

From: Sex-related demographics in two remnant populations of a dioecious tree Ilex cornuta (Aquifoliaceae): implications for conservation

Source of variation

df

F

P

Classes of each variable

\( \overline{\mathrm{X}} \) ± 1 SD (N)

One-way ANOVA

 Population

1, 99

18.606

0.000

YS

1.7 ± 1.7 (74)

   

GP

3.9 ± 2.9 (26)

 Sex

1, 99

3.146

0.079

Male

1.9 ± 1.7 (62)

   

Female

2.9 ± 2.9 (38)

 Tree size

2, 98

0.243

0.785

Small

2.0 ± 1.9 (27)

   

Middle

2.3 ± 2.0 (48)

   

Large

2.5 ± 3.0 (25)

Three-way ANOVA

 Population

1, 99

24.750

0.000

  

 Sex

1, 99

3.695

0.058

  

 Tree size

2, 98

2.129

0.125

  

 Pop × sex

1, 99

2.076

0.153

  

 Pop × tree size

2, 98

4.909

0.010

  

 Sex × tree size

2, 98

0.491

0.614

  
  1. Tree size: small, < 3.0 cm for basal diameter; middle, 3.0–6.0 cm; large, ≥ 6.0 cm